Parts

Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - These hangers DO NOT INCLUDE attachment hardware with the exception of QBP # FS1561 (DROPOUT 399) - CNC machined 6061 aluminum - Made in the USA

ABI Headset Bearing for new builds or replacements.

Your time on the bike is precious, let Shimano make it even better. Ultegra ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO-WAVE technology. The Di2 platform untethers the shifters while delivering fast and reliable wireless shifting. BR-R8170 disc brake caliper brings a new level of control to the road cycling world with improved modulation and a quicker initial braking point. Despite its smaller construction, the system is quieter than ever and easier to maintain. - The wireless connection provides a clean cockpit, enhancing the aerodynamic effect and easy maintenance - Wider pad clearance decreases brake noise - Maintenance-friendly bleeding process - Unparalleled ergonomic features, such as raised hood peaks on levers - Brake control is optimized with light and smooth lever action - Enhanced modulation thanks to an expanded braking control area - Compatible with wireless or wired connection

ENVE's proven twin-bolt seatpost design refined for the modern road bike with seatpost battery integration capabilities. - Material: Carbon Fiber - Hardware Material: Titanium - Saddle Angle Adjustment: 0 – 27 degrees - Saddle Rail Compatibility: 7x10mm Carbon Rails / 7mm Round Alloy Rails - Torque Spec, Saddle Rail Clamp Bolts: 5.5Nm - Torque Spec, Seatpost Collar: Determined by your Frame manufacturer/Seatpost Collar - Weight: 210g (25.4mm), 204g (27.2mm), 204g (30.9mm), 204g (31.6mm)

Combining SHIMANO's well-praised hydraulic disc brake technology with light action mechanical shifting, the DURA-ACE R9120 levers have a shorter lever stroke, expanded reach adjust, and lighter front shift action. Quick and intuitive shifting operation - Shorter lever stroke via redesigned internal shifting unit - Lighter front shifting operation - Redesigned front system for use with new front derailleur Comfortable grip and operation - More customizable and precise lever position - Reach adjustment range (10.9 mm) Consistent braking performance in all weather conditions - Easy brake control for hydraulic brakes

Designed for the latest hard-hitting enduro and trail bikes, Super Deluxe Ultimate features the ride tuning abilities of an air spring with both compression and rebound adjustment so you can fine-tune to any trail. With a solid threshold adjustment for pedaling performance and Maxima Plush fluid for a buttery-smooth feel, riders can now easily dial in a podium-worthy ride. - Maxima Plush damping fluid reduces friction and silences damper noise - Highly tunable DebonAir spring offers a coil-like consistent feel throughout the travel - Separate and independent open and threshold pistons are tuned exactly for your ride - Low Speed Compression adjustment allowing fine tuning of compression needs from the base tune

- With plastic washers - Shell: 8mm Allen head axle bolt

• Square taper interface • Only includes left crank

Jagwire's Open End Caps are quality metal ferrules that put the finishing touch on your brake cable housing sections. They reinforce them so they stay straight and allow the cables and brakes to operate as smoothly as possible.

Jagwire's Brake or Shift Cable Tips are made of lightweight, corrosion-resistant and durable aluminum and are the right size to nicely fit over the ends of up to 1.8mm-diameter cables. These caps are crimped in place on the cables to prevent fraying and ensure your cables last a long time. The tips come in colors to add a little style to your bike.

Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - CNC machined 6061 aluminum - Black anodized finish - Made in the USA

For use with 2000+ Hayes 74mm eye-to-eye calipers (adapters/calipers for 22mm mounts are no longer available) - (IS) International Standard 51mm tabs; (QR) Quick Release; (TA) thru-axle - Note: Fox-36/40 (thru-axle), Rock Shox Pike (Maxle), and Psylo (Tullio) axle forks use IS-QR adapters

• Aluminum • CNC-finished

A race-proven handlebar, the M9 bar is ENVE's dedicated downhill option. Designed around a 31.8mm clamp diameter and a downhill-focused flex profile, this bar’s celebrated ride feel defined the potential of a DH carbon fiber bar and realigned performance expectations. The M9 bar features 8-degree backsweep and 4-degree upsweep. - Material: Carbon - Weight: 245g (30mm rise); 265g (50mm rise) - Bar Width (Max): 810mm - Bar Width (Min): 780mm - Clamp Diameter: 31.8mm - Backsweep: 8 Degrees - Upsweep: 4 Degrees - Torque Spec: Face Plate: 5.5Nm - Torque Spec: Controls: 5.5Nm

ENVE's proven twin-bolt seatpost design refined for the modern road bike with seatpost battery integration capabilities. - Material: Carbon Fiber - Hardware Material: Titanium - Saddle Angle Adjustment: 0 – 27 degrees - Saddle Rail Compatibility: 7x10mm Carbon Rails / 7mm Round Alloy Rails - Torque Spec, Saddle Rail Clamp Bolts: 5.5Nm - Torque Spec, Seatpost Collar: Determined by your Frame manufacture/Seatpost Collar - Weight: 178g (25.4mm, 25mm offset), 168g (27.2mm, 0mm offset), 178g (27.2mm, 25mm offset)

The Charger Evo is the most complex grip we’ve ever created. Dual patterned textures on each grip allow riders to absorb shock and feel handlebar support with every move. Lock-on ring design ensures the grip will stay in place for long lasting use. Lock-On Grips include the grips, clamps, screws, and plugs. - Length: 136mm - Weight (with plugs): 90 grams - Diameter: Medium (31mm)

KMC X12 chains feature a double X bridge shape for fast and smooth shifting. - Compatible with SRAM 12-speed systems - Double X bridge shape with inner and outer plate chamfering for smooth and fast shifting - Mushroom riveted pins for the highest pin power and allows shifting under heavy loads - 1/2 x 11/128 - 126 Links

One rear derailleur to rule them all. The SRAM Force eTap AXS rear derailleur is designed for both 1x and 2x systems. It capitalizes on X-Range gearing technology for enhanced range and chain management and features larger pulleys for improved durability and efficiency. Strong, smooth, quiet and AXS enabled. - SRAM AXS enabled, allowing easy personalization - Orbit chain management technology keeps the drivetrain quiet and secure - A single rear derailleur for all gearing combinations, including 1x and 2x - Larger X-SYNC pulleys for increased durability and efficiency - NOTE: Does not include eTap battery. Compatible with existing eTap batteries.

- 1.2 mm x 2100 mm (1 pc.) - 1.2 mm x 1800 mm (1 pc.) - OPTISLICK - Stainless steel - Outer cap with short tongue for ST (2 pcs.) - SIS-SP40 outer caps (3 pcs.) - SIS-SP40 sealed outer caps (1 pc.) - Inner end caps (2 pcs.) - OT-SP41 1700 mm - OT-RS900 (1 pc.)

- Chrome plated CrMo steel chainring bolt/nut sets (Track is NJS approved)

The Antares Versus Evo R3 is a comfortable road bike saddle for riders who want a medium saddle profile and a pressure relief channel. A Comfort Core foam layer beneath the neat, durable Microtex cover is supported by light, strong, corrosion-resistant Kium rails. - With full-channel comfort and advanced technology, materials and craft, this performance road saddle is for those who want a medium saddle profile and a pressure relief channel - Made for riders with medium body flexibility and low pelvic rotation while pedaling, the Antares is a neutral profile saddle with support and flexibility so you can move to find your power spot and maintain comfort - Composite Carbon-reinforced nylon shell – with Wing Flex technology which enables flexibility where your thighs meet the saddle - Comfort Core foam layer beneath the neat, durable Microtex cover provides comfort, and is enhanced by the full-length comfort channel which reduces pressure on the rider’s sensitive soft tissue and ensures that all weight is correctly supported across the whole surface of the saddle - Light, strong, corrosion-resistant Kium rail

- Silicone foam blend provides excellent grip and shock absorption - Simple design maximizes durability and minimizes weight - 32mm diameter

Made with recycled materials, this grip features a contoured shape and dual-density construction for ultimate support on any trail. Lock-on comfort Take the long way with the XR Endurance Comp Recycled Grip made using recycled plastics at the grip core. Contoured shaping provides comfort and support, while an opposing tread pattern ensures your palms are padded and your fingers stay in place. This Dual-Density grip features a lightweight lock-on design that securely attaches to any bar. Using recycled materials in this product helps provide second life to unwanted end of life plastics. Product details - Grip core is made from recycled plastic - Contoured design comfortably supports palm to decrease fatigue - Opposing tread pattern absorbs shock in palms and increases grip at fingertips - Dual-density compound provides secure grip, control, and comfort - Continuous tread pattern optimizes grip for moisture management and shock absorption - Lock-on clamp securely holds grip core to bar, eliminating slipping Features: The net effect Fishing nets make up an estimated 10% of all plastic in the ocean. What's even worse is that they're 4 times more harmful to the ocean environment than all other forms of plastic pollution. A global issue Each year 18 billion pounds of plastic enters the ocean, polluting beaches and waterways around the world. Better products for a better planet We're committed to lightening our footprint and designing for circularity wherever possible. This product and others contain recycled material and are made using planet-friendlier manufacturing processes.

Get back on the road with a replacement handlebar for your cruiser bike. Customize your bike with a new handlebar that fits your own personal style. PRODUCT DETAILS - Original equipment replacement for Vale Go! bikes - 6061 alloy with sandblasted finish

GENUINE REPLACEMENT PARTS Get back on the road with genuine replacement parts. PRODUCT DETAILS - Keep your bike fresh - Includes routing port for rear light

Get back on the road with a genuine replacement stem. Original equipment replacement stem for your Madone SLR. PRODUCT DETAILS - High fit stem is 7-degrees of drop - Not compatible with other bikes - For installation instructions, please see your Madone Assembly Manual

Get the most out of SRAM's high-tech cranksets with the GXP Team Bottom Bracket. Built to last, this super-smooth bottom bracket lets your SRAM GXP crankset (sold separately) spin effortlessly without weighing you down.

KMC Missing Link connectors are for use on new chains or to keep in your seat bag for an emergency repairs. - Compatible with KMC and Shimano 10-speed chains - Includes 2 pairs

- V-Brake design - Cartridge type brake pads - Inner cable lead unit included - Adjustable linear springs on both sides - Longer brake arm resulting in a better spacing for mudguards

Bontrager's Kids' Saddle puts big kid performance and comfort into a smaller package. Smart, kid-specific details include a rear edge-guard that's designed to protect the saddle from the inevitable bumps and scuffs that go hand-in-hand with being a kid.

Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - CNC machined 6061 aluminum - Black anodized finish - Made in the USA

The Shimano EF500 8-Speed dual brake/shift lever features reach adjust technology and an optical gear display. - Equipped with a reach adjust mechanism that allows for the distance from handlebar to lever to be adjusted in order to suit any hand size and riding preference - The optical gear display tells you which gear position is selected while riding - Compatible with V-Brake, Mechanical disc brake (MTB)

The Shimano GRX Dual Control Lever delivers light and responsive shifting for mixed-terrain riding. The ergonomic shifter design improves comfort and the textured, anti-slip brake lever increases control on bumpy terrain. - Gravel-inspired lever and bracket ergonomics - Anti-slip brake lever - Greater mixed-terrain control - Same light shifting operation as top-tier systems

Revamp the look of your single speed cranks with some new hardware. Origin-8's Single Chainring Bolts give a high polished look to any crankset. The anodized finish comes in multiple colors to highlight your crank and makes it look as good as you do. You can also choose between steel or aluminum bolts. • Set of 5 male/female bolts • Inside measures 4mm when tightened, 7mm total height

With a copper plated back plate, Kool-Stop sintered metal disc brake pads are designed to give your bike performance braking in extreme conditions, e.g. XC, downhill, trials and dual slalom riding. The pads have a quick break-in period so you get maximum performance during those demanding rides when stopping power, durability and long pad life are required.

Shimano's flagship disc brake rotor. Quieter than ever, but with superb, consistent braking performance on any long, steep descents thanks to excellent heat dissipation. - The new arm shape is more robust, leading to quieter operation. - Featuring ICE TECHNOLOGIES and FREEZA; ICE TECHNOLOGIES is a proprietary fabrication technique consisting of a 3-layer aluminum and stainless-steel structure allowing for superior cooling. FREEZA are aluminum/stainless fins that support rapid heat dissipation. Combined you get longer pad life, less brake fade and substantially quieter braking. - The inner aluminum surface of the FREEZA fins is covered with heat-dissipating paint. Providing even more colling performance to reduce brake fade. - Recommended both for road or mountain bike braking systems. - Lock-ring included. - Disc Diameter: 160mm - Hub Compatibility: Center Lock - Disc Pad Type: Metal or Resin - Disc Material: Stainless steel/Aluminum - Disc Technology: Ice-Tech and Freeza - Weight: 114g

The Elite Pro grips feature an ergonomic design that conforms to a rider's hands without feeling bulky. - Single clamp design - Half-waffle pattern on the front of the grip provides extra control when you are off the back of the bike - Length: 130mm

The TRAIL FUSION pedals give you superior control of your mountain bike and far greater performance than traditional flat pedals. Their wide composite platform offers increased stability, better power transmission and ultimate comfort, allowing you to pedal with confidence and get the most out of your ride. And worry no longer when the trail gets technical: each pedal face features eight replaceable pins for maximum grip. Customize your look with one of the 5 available colors and forget your limits out on the trail!

Rally RS100 is tested to the extreme, so you can ride there too. This single-sensing power meter delivers reliable power measurements and is easy to transfer between bikes, no matter what bike you're on or where you're riding. - Impeccably Designed Pedal—Rally power meters have undergone rigorous testing to increase reliability. Featuring a superior design with sensors housed inside, this pedal installs like any other pedal. And it's quick to transfer between bikes. - Reliable Readings—By reliably measuring your cadence and forces detected on the left pedal, Rally RS100 doubles the value to provide total power. Want more metrics? Upgrade later to the dual-sensing system (sold separately). - Cleat Compatibility—For a comfortable ride, this pedal is designed to fit your favorite Shimano SPD-SL cleats. - Transferable Spindle—From road to gravel to cyclocross and much more, keep riding year-round with a transferable spindle that can be installed in the Rally RS/Rally RK road pedal body kits (each sold separately). - Battery Life—Make sure you're ready for those long rides and training sessions with up to 120 hours of battery life. Specs: - Battery type: LR44/SR44 (x4) or CR1/3N (x2) - Battery life: up to 120 hours - Maximum rider weight: 105kg - Accuracy: +/- 1% - Field calibration - Adjustable release tension - Measurement location: spindle - Communication: ANT+ and BLUETOOTH - Weight: 328g - Water resistance: IPX7 - Cleat type: SPD-SL - Q-factor: 53mm (55mm with provided 2mm washer) - Stack height: 12.2mm In the Box: - Rally RS100 pedals - Cleat hardware - 55mm Q-factor washers - Documentation

Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - These hangers DO NOT INCLUDE attachment hardware with the exception of QBP # FS1561 (DROPOUT 399) - CNC machined 6061 aluminum - Made in the USA

The workhorse of X-Range gearing, the SRAM RED XG-1290 cassette progresses fluidly and quickly through a wider range of gears. It's specifically designed for wireless electronic shifting and the one-piece design offers you the best in weight savings. - Updated design for smoother and faster shifting - More gradual gear progression between cogs—at least five one-tooth jumps—while still offering a wider range - 10-tooth start helps provide a wider gearing range - Designed to work with an XDR driver body - One-piece machined steel X-Dome design for weight savings - All Zipp wheels starting from 2012 are XDR ready - Version: D1 - 10-26T: 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 23, 26 - 10-28T: 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 24, 28 - 10-33T: 10, 11, 12, 13, 14, 15, 17, 19, 21, 24, 28, 33

- Horizontal square interface - Only includes left crank

- Quieter than ever, but with superb, consistent braking performance on any long, steep descents thanks to excellent heat dissipation. - The new arm shape is more robust, leading to quieter operation. - Featuring ICE TECHNOLOGIES and FREEZA; ICE TECHNOLOGIES is a proprietary fabrication technique consisting of a 3-layer aluminum and stainless-steel structure allowing for superior cooling. FREEZA are aluminum/stainless fins that support rapid heat dissipation. Combined you get longer pad life, less brake fade and substantially quieter braking. - Recommended both for road or mountain bike braking systems. - Lock-ring included. - Disc Diameter: 140mm - Hub Compatibility: Center Lock - Disc Pad Type: Metal or Resin - Disc Material: Stainless steel/Aluminum - Disc Technology: Ice-Tech and Freeza - Weight: 96g

Smooth, controlled braking is yours with Avid's G2 CleanSweep Rotor. It utilizes cross-drilled technology to dissipate heat and cut weight, giving you a consistent feel at the lever and predictable speed control in all conditions.

S1 Rustbuster is a basic, affordable replacement 1/8" chain. - For non-derailleur bikes: BMX, cruisers, etc. - Rustbuster rust-proof finish, suitable for beach environments and winter commuting - Includes KMC Master Link - Links (links): 112 - Color: Silver - Width: 9.3 mm - Drivetrain Speeds: Single Speed 1/2 x 1/8-inch - Chain Connection Type: Reusable Master Link - Half Link Chain: No

End your seat discomfort by installing a Serfas Gel Saddle Pad. Thanks to super-plush gel, this sweet cover provides a level of comfort you have to feel to believe. Plus, it features easy drawstring installation, which means you can quickly move it between bikes if you ride more than one. There's no easier way to upgrade your bike and ride more comfortably. • Deep Groove for Increased Blood Flow • Gel For Increased Friction Protection • Easy Drawstring Installation

Rubber Gecko is a cushy bar tape made with foam and an outer layer of natural rubber. Rubber Gecko offers a soft tactile grip with a bit of give to it. It wraps slightly fatter than our original gecko grip, but not by much. Perfect for the rainy, cold cobbled classics.

A lock-on grip with a unique finned texture for added comfort and control. Get a grip on sustainability The XR Trail Comp grip features a unique finned texture that conforms to your hand to keep you comfortable all day while you ride. Plus, a lightweight nylon CoreLock clamp holds the grip securely in place for confidence on even the most technical trails. You and your hands will both feel good knowing that the grip's core is made from recycled ocean-bound plastics. Product details - Finned texture pattern conforms to your hand for supportive grip - Rubber compound and tread design are optimized for control and comfort - Grip core made with recycled ocean-bound plastic - Single-clamp design maximizes grip surface for secure, predictable performance - Nylon CoreLock clamp offers dual clamp strength - 3mm M4 bolt increases hold and resists stripping - 31mm diameter

Designed for the next generation of drivetrains and the next generation of riders. The SRAM Force XG-1270 cassette is optimized for electronic shifting and features our X-Range gearing technology. Smooth, precise shifts, from 10T on up. - Features at least five one-tooth jumps for a smoother gear progression - 10-tooth start helps provide a wider gearing range - Designed to work with an XDR driver body - MINI CLUSTER construction reduces weight and increases durability - All Zipp wheels starting from 2012 are XDR-ready - SRAM Force XG-1270 cassettes sold prior to 2021 have a black finish. In 2021, the design was updated to a nickel-chrome finish.

Sport level brake cables come in a variety of cable end setups to fit most bikes at a quality level well above normal OEM cables. - Slick cables are die-extruded for smooth operation - Pre-stretched - Double-ended SRAM/Shimano mountain and road compatible cable ends - Stainless steel construction resists corrosion - Double Ended: Yes - Cable Head: Shimano/SRAM Road, Shimano/SRAM Mountain - Defined Color: Silver - Quantity Included: 1

SRAM's RED 22 11-Speed Hollow Pin Chain features hollow pins for low weight, strength, and accurate shifting in all conditions. The heavily chamfeRED outer plates improve shifting and an inner plate finish provides longer chain life. And, with its great PowerLock connecting link, installation and removal is a snap.

SRAM's 1070 10-Speed Cassette is a great choice. It's constructed of light and durable materials and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick and positive gear changes every time. This trick cassette also sports a semi-spider construction for a maximum stiffness-to-weight ratio, a lightweight aluminum lockring, and is available in myriad configurations to suit all your riding. There are even models with 36-tooth largest cogs for super-easy climbing.

Next level spin. The forged one-piece design of the SpideRing is a handsome piece of engineering and one of the finest front shifting sets available. Where it thrives: The open road, up and down hills What it's built for: Durability, efficiency Highlights: - One-piece technology makes for reduced weight and increased stiffness and durability - Fully "ramped" for flawless shifting through detailed machining - Eye-catching and unique design

- Deore/Tiagra 9-speed compatible - 3/32-inch - 116 links

Connectors feature Serfas' great dual-density design for excellent comfort. The hard inners offer a firm base and the soft outers provide a tacky and comfortable feel. And Connectors are easy to install and super secure, too.

- Polyurethane layer is anti-slip with high tensile strength for long-term performance - Availabe in new graduated color fades to add even more style and personalization to your bike - GEL is vibration damping and shock absorbing to minimize fatigue and strain due to real-world riding conditions - Reliable and reusable Lock-In bar end plugs

A reliable dropper seatpost with a 3-key chassis design that minimizes shaft play for a post that provides smooth and consistent travel adjustment. GET UP TO GET DOWN The Bontrager Line 31.6 dropper seatpost offers reliable and infinite adjustability within multiple dropping ranges to suit riders of all types. A 3-keyed chassis design provides additional lateral rigidity and minimizes play while a 2-bolt rocker head is perfect for fine-tuning saddle tilt. Line 31.6 is also designed with a shorter overall length, which allows more adjustability and frame compatibility. Need an even shorter drop? Grab a 10mm or 30mm travel reducer spacer. PRODUCT DETAILS - Air-sprung hydraulic locking cartridge offers infinite adjustability within dropping range - 3-key chassis prevents rotation for a stable ride - 2-bolt rocker head with micro adjustment allows for easy saddle tilt adjustment - Shorter overall length [versus previous version] allows more adjustability and compatibility - Fine-tune your fit fast and easy with 10mm and 30mm travel reducer spacers - Lever sold separately. Compatible with Universal Lever, Under Bar Lever, and Elite Under Bar Lever - Internal cable routing keeps housing tucked away and free from moving wheel - Frame must be compatible with internally routed seatpost routing

Ideal pad for everyday use. Compound works well on all aluminum rims and well suited for softer alloys, including magnesium. Fits: - Campagnolo 10|11|12 speed DOES NOT FIT - Campagnolo Potenza 2016 - Campagnolo Athena 2016 - Campagnolo Veloce 2016 - Campagnolo Centaur 2017

SRAM saw the opportunity to make a better press fit system where all the best from BB30 and PressFit bottom brackets would be combined into one captivating package. Pressfit 30 will feature an integrated seal, pre-assembled into the cups, to further prolong bearing life. The key difference with Pressfit 30 is how the bearings are fitted into the frame. Bearings are housed in nylon cups which will be pressed into the frames bottom bracket shell. This bottom bracket is designed for 30mm spindle cranksets. Frames will need a 46mm inner-diameter bottom bracket shell to accommodate this system. Pressfit 30 for road will require a 68mm wide shell while Pressfit 30 for MTB will require a 73mm wide shell. - Easy installation - PressFit cups for lighter weight - Narrow Q-factor and more ankle clearance - Integrated gutter seal to prolong life - Integrated adjuster - 30mm spindle diameter

Profile Design's J4 Bracket Kit lets you fine-tune your aero position down to the millimeter. For lightness, strength and aerodynamics, the brackets are made of forged and CNC-machined 6061 aluminum and have Marine-quality 12.9-grade bolts that are corrosion-resistant and hidden. For easy and fast adjustability, by simply loosening the fixing bolt on each side you can slide your extensions in and out. Meanwhile, the brackets hold the armrests set back 20mm from the center of the base bar or you can reverse the armrests for a forward position. You can also stack aftermarket risers on the brackets to raise the armrests (armrests, risers and extensions sold separately).