Drivetrain Components

Shimano's BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets. Quality, value, and durability come together to keep you cranking for many, many miles. - Fits JIS Square-Taper Cranksets - Hollow spindle - Crankarm fixing bolts not included

When it's time to replace your old 8-speed cassette, check out SRAM's PG-850. Its steel construction and SRAM's PowerGlide technology combine to deliver miles of solid shifting and outstanding durability.

SRAM's X4 Rear Derailleur provides precise, dependable shifting along with long-term durability. Its aluminum and steel construction delivers through the roughest trail, while SRAM's 1:1 actuation ratio and direct cable routing provide quick, reliable shifts. This derailleur is compatible with 7- or 8-speed drivetrains.

SRAM's GXP Team PressFit MTB Bottom Bracket Cups are the premium choice for getting the most out of every pedal stroke. They feature smooth bearings that keep drag to a minimum and seals that keep debris out. Plus, these BB cups press directly into the frame without having to be threaded in for reduced weight and enhanced durability.

RaceFace Narrow Wide Chainrings feature tooth profiling for chain retention and a blend of weight and durability suitable for XC, DH, and everything in-between. - 7075-T6 aluminum, aerospace grade strength - Compatible with 9, 10, 11 and 12 speed - Stiff 4mm plate thickness and I-beam construction transfer loads without flexing - Reversible laser etched graphics - Non-threaded bolt holes

- 1/2" x 11/128" - 116 Links - EPT anti-rust coating - 9-speed - Compatible with Shimano, SRAM & Campagnolo 9 Speed Systems - Mushroomed Pin Riveted - 277 grams

Hose kits for Hayes hydraulic disc brakes include stiff, durable hose and the necessary fittings.

SRAM's 3.0 Twist Shifters are simple to use and offer solid shifting and reliable construction. Using SRAM's 1:1 actuation ratio technology, the 3.0s are easy to set up and easy to adjust. Plus, with a simple twist of the wrist, you can shift a handful of gears at once.

Shimano FD-M2000 front derailleurs feature Mega Lite and HyperGlide technologies for smooth and easy operation. They're a perfect replacement for your 3 x 9 drivetrain.

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)

- Horizontal square interface - Only includes left crank

- X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear - New tooth profiles for improved wear - More durable finish - 94mm BCD

Jagwire Sport Mineral Hydraulic Hose Kits feature a durable, flexible reinforced layer surrounding a low-friction inner tubing to deliver light brake lever action and trustworthy braking power. Offered as single hose kits for individual brakes or in bulk boxes for workshop use, Sport Mineral Hydraulic Hose is available for most popular road and mountain hydraulic disc brake systems that use mineral oil brake fluid. - High performance hydraulic hose provides effective braking power and control - Kits include hose and necessary fittings for one brake lever and caliper system - Contains 2000mm HPP hydraulic hose, needle insert, compression bushing, compression nut and seals for the listed compatible brake models - Compatible with Shimano Dura Ace (R9120, R9170), Ultegra (R8020, R8070), 105 (R7070), GRX (RX810, RX400), and similar brakes - For use with mineral oil brake systems only

The Shimano Altus rear derailleur brings Shadow technology and wide-range capability to 9-speed drivetrains - B tension spring for quick and easy wheel installation and removal - Super low-profile concept with SHADOW mechanism - Wider linkage ensures durability and more precise shifting - Easy adjustment and maintenance - Direct mount compatible - Maximum cog size: 36t - Total capacity: 45t

With quick lever access and a light and responsive lever action, Rapidfire Plus SLX shift lever delivers smooth control out on the trail. The new I-SPEC EV lever offers a wide range of adjustments including increased lever slide range. - Instantaneous push and pull movements - 20% quicker main lever access and -35% shifting operation force (vs SL-M7000-IR) - Adjust to the optimal position for any riding style or rider preference with clean cockpit - Rider tunable

- MODEL NO: CS-HG400-9 - SERIES: SHIMANO ALIVIO M4000 Series - Compatible chain: HG 9-speed - Speeds: 9-speed - Type: HG

The Shimano R9100 series crankset achieves the ultimate in optimal power transfer. It does this through a reinforced chainring on its unique asymmetrical four-arm spider construction. - Chainring BCD: 110 Shimano Asymmetric - Drivetrain Speeds: 11 - Material: Aluminum - Ring Position/Type: Inner

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition. - OEM 39t chainring for Ultegra FC-6700-G and FC-6601-G (grey) cranksets

Eagle Technology creates the smoothest, quietest, longest lasting and most efficient drivetrains SRAM has ever made. The radical new look and feel of the X-SYNC 2 Eagle chainring is a direct result of SRAM drivetrain engineers studying the performance and wear characteristics of thousands of X-SYNC chainrings. The longer, positive-rake tooth shape has been designed to work perfectly with Eagle chains to increase chain retention and overall pedaling efficiency, while decreasing friction, noise, and wear. The complete Eagle system—crankset, chainring, chain, shifter, derailleur and cassette—is designed, tested, and proven to deliver the ultimate mountain bike drivetrain. Put simply, Eagle is capable of revolutionizing the ride for all riders on every kind of terrain. - Designed to be used with Eagle chain - Material: Steel

When it comes to adventurous riding, a wider gear range is often better. With 9 speed and a 11-42T range, the ADVENT cassette has the low gears you need to get up and the high gears to get back down. The steps between gears are optimized to give an even spread in gear ratios, reducing the need for double-shifting to find the right gear. - Machined aluminum large cog for reduced weight - Carbon steel cogs are continuously forged for strength and shifting accuracy - Compatible with standard freehub bodies - Surface Finish: ED Black / Anodized Black - Combination: 11-13-15-18-21-24-28-34-42

Rejuvenate the performance of your drivetrain with this convenient and valuable kit that includes all parts needed for installation. - This convenient and valuable kit is the key to restoring your shifting performance - Compatible with Shimano and SRAM drivetrains - Stainless steel cables are each 2300mm long, for front and rear shifting - Compressionless housing comes pre-lubed is 3200mm long - Kit includes Comp shift ferrules, cable frame protectors, and cable end caps - Included stainless steel cables are rust-proof and come pre-stretched - Diameter: 4mm

Shimano's Alivio Rear Derailleur is built to withstand the rigors of off-road riding, with a lightweight aluminum body and low-friction pivots for incredibly easy and smooth shifting. And, the Alivio features 11-tooth pulleys, which alternate chain-link contact reducing wear and smoothing pedaling.

For reliable mountain bike shifting, Shimano's ALTUS SL-M2010 RAPIDFIRE shift lever is suited to quick shifting, giving riders the ability to downshift three gears in one stroke. - Slim main lever body - OPTISLICK for smooth shifting performance - MEGA 9 LITE close ratio gearing - Gear display positioned below the handlebar - Numbered gear display indicates gear position at a glance - Light shifting operation, wider compatibility, and suitable for internal cable routing - Streamlined cockpit experience

Of all the components that make up a mountain bike drivetrain, the shifter doesn't exactly get a lot of spotlight time. But, as the rider's literal command and control center, the GX Eagle shifter is more than worthy of recognition. With intuitive thumb actuated triggers, the positive feel gives the right rider input to make shifts crisp and discernible every time. What's more, its already legendary reliability continues for all-day epics and all-time experiences. Plus, it features an aluminum trigger that's ready for inevitable punishment, as well as MatchMakerX compatibility. Precise and durable, it's the hard-working, no-compromise shifter keeping riders in the right gear, every ride. - Aluminum trigger designed for a positive lever feel - Master GX Eagle master colorway to match all cassette and chain colors as part of Eagle Colorsystem - Matchmaker compatible

Shimano CN-HG71 6/7/8-Speed Chains - 8-speed MTB chain meets durability requirements for e-bike use - Designed for precise Hyperdrive SIS and Dual SIS Index shifting - Includes chain and chain connection pin, or quick link - Links: 116

CN-HG701-11 Super Narrow HG-X11 Chain (11-speed) FEATURE - Directional 11-speed chain - More efficient and silent, less maintenance - MTB, Road, E-BIKE 11-speed compatible - Reinforced chain for E-BIKE use BENEFIT - Smooth and reliable shifting performance - Weight: 257g (116 Links)

Original equipment on SRAM and Truvativ cranks, these chainrings also work well with other drivetrains. - 104mm BCD - Material: Aluminum

- 9-speed compatible - XT/Ultegra - 116 links

Shimano Altus M2000 Series 9-speed cassette. Combinations: - 11 – 32T: 11-13-15-17-19-21-24-28-32T (bo) - 11 – 34T: 11-13-15-17-20-23-26-30-34T (bn) - 11 – 36T: 11-13-15-17-20-23-26-30-36T (bw)

The SX Eagle Single Click Trigger Shifter ensures drivetrain durability with its single click shifter option designed for E-MTB use. - E-MTB specific Eagle shifter option limiting the pull lever to a single engagement