You've got to have the right ratio for the track, and Shimano's Dura-Ace cogs come in a range of tooth counts so you can always be prepared. Manufactured from durable chromoly steel, each cog is machined to run perfectly straight.

Shimano's Claris rear derailleur is a perfect replacement part or upgrade for 8-speed road drivetrains. HyperGlide technology results in smoother, faster shifting. - Maximum cog size: 32t (SS) / 34t (GS) - Total capacity: 37t (SS) / 43t (GS) - Pulleys: 11t - Chain compatibility: HG 8-speed

Magura Caliper Cover Ring Kit

- High performance compound recommended for all-conditions - Alloy backing plate: 50% lighter than steel backing plate

MSW Seatpost Clamps keep your saddle and seatpost from moving around while you’re out riding. Tough and dependable, they’re available in polished silver or black finishes, as well as four common sizes. - MSW Seatpost Clamp - 34.9mm, Black

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

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 Deore XT Explorer Dual-Platform Pedals combine the efficiency of the SPD system and the convenience of a platform pedal, all in a lightweight package. - One side SPD, one side platform - Two-sided flexibility and performance - Ideal for trekking - Customize the entry and release tension settings - 392 grams - Concave cleat clearance on platform side - High-grip pins - Sealed cup and cone bearings

The Cambium All Weather C17 is made for years of hard riding in an angled riding position, for commuting in the city or travelling the globe. With the same contemporary design of the Brooks Cambium range, the All Weather is a durable and comfortable saddle that is "ready to ride," thanks to a vulcanized natural rubber top for flexible performance requiring no breaking in period. From freezing rain to blazing sunshine, the waterproof, weatherproof nylon cover is made to perform flawlessly in all conditions. Additionally the updated fiberglass-reinforced back plate has loops for a saddle bag or other accessory. Materials - Vulcanized natural rubber And nylon top - Steel rails with a reinforced plastic backplate - Made in Italy Specifications - Length: 283mm - Width: 164mm - Height: 52mm - Weight: 464g

The Flattop technology of the SRAM Rival chain creates a lighter, quieter, stronger chain that's compatible with 12-speed 1x and 2x eTap AXS drivetrains. Ride far, long, and fast. This chain can go the distance. - Flattop technology allows for a narrower chain with quieter operation and increased strength and durability - Use for both 1x and 2x eTap AXS - Includes Flattop PowerLock

Claris HG50 cassettes ensure a durable and low maintenance system that's easy-to-operate, with accurate and light-action shifting for Shimano 8-speed drivetrains. - Nickel plated finish for corrosion resistance - Steel lock ring - MODEL NO: CS-HG50-8 - SERIES: SHIMANO CLARIS R2000 Series - Compatible chain: CN-HG71 - Speeds: 8-speed - Type: HG

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.

Jagwire's Mountain Sport Disc Brake Pads (Tektro) feature a low-noise, semi-metallic compound mounted to a steel backing plate for excellent braking performance and durability.

Original equipment hydraulic hoses for no-compromise brake performance. - 2000mm, black

Narrow wide chainrings compatible with Race Face CINCH system cranks. Direct mounting allows an easy switch between rings and spiders. - Compatible with 9, 10, 11, and 12 speed - Narrow Wide tooth profiling ensures consistent chain retention - Lockring installed/removed with ISIS BB tool - Stiff 4mm plate thickness to transfer loads without flexing

- A chain designed for BMX but is at home on any single speed bike needing a chain built to last. - Nickel plated outer plates and black inner plates provide rust and abrasion resistance - Links (links): 112 - Color: Silver/Black - Width: 9.3mm - Chain Connection Type: Single Use Master Link - Half Link Chain: No

SHIMANO DEORE - 126 links for HG 12-SPEED - MTB Chain The M6100 chain provides smooth shifting and enhanced chain retention thanks to an extended portion of the inner plate. The new chain features QUICK-LINK assembly and is optimized for HYPERGLIDE+ cassettes and DYNAMIC CHAIN ENGAGEMENT+ chainrings. - Proprietary design ensures smooth shifting and strength - Extended inner plate improves chain engagement and retention - Shorter shift times and less pedaling shock - Optimized to work with HYPERGLIDE+ cassette sprockets and DYNAMIC CHAIN ENGAGEMENT+ chainrings

The Surly Corner Bar is for off-road riders who want to give drop bars a try without swapping out the drivetrain and brake levers on their current mountain setup. Does that make it an economical option for fresh excitement on the trail? Yes, it does. - Chromoly steel with custom-butted tubing - 22.2mm grip diameter - 25.4mm clamp diameter - One set of 25.4/31.8 x 60mm Problem Solvers shims included

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.

Shimano Ultegra R8000 pedals. - Pro-level performance and lightweight for the enthusiast - The legacy of Shimano design, quality and performance - Carbon-composite body - Extra-wide platform for a more efficient transfer of power - Adjustable entry and release tension settings - 4mm longer axle available - Low stack height - 0.7mm lower than PD-6800 - Model Number: PD-R8000 - Series: Ultegra - Pedal System: SPD-SL - Average Weight: 248 grams

The forged alloy construction of the Bontrager Pro Blendr Stem delivers stiffness without compromising its light weight or sleek looks. Easy integration of lights, a computer, and more with the Blendr integration system make this stem a perfect upgrade for any bike. - Pro-level quality 31.8mm clamp diameter stem weighs less than many carbon stems - 4-bolt dual band clamp securely holds handlebar - Uses high-quality M5 corrosion-resistant faceplate bolts with 5.2Nm torque spec - Integrate accessories with included Blendr Pro base and Blendr XXX accessory mounts - Mounts intended for use with Ion and Trip, Garmin, GoPro and SRM accessories - Approved for carbon bars and steerer tubes - Safe installation requires 5mm spacer above and below stem - Included Blendr accessories: Pro Mono Base, Trip Computer mount, and High Ion Light mount

- High-performance gear combinations provide superior rider choice - Hub body to fit a variety of bikes from MTB to road - Model Number: CS-HG800-11 - Series: Shimano - Average Weight: 335 grams

The Problem Solvers Standard Top Cap is a light, durable aluminum top cap for threadless headsets. These caps fit all forks.

MSW 17° stems raise the bar—literally—for what riders can expect from an inexpensive stem. Rigorously tested to ISO-4210 Mountain qualification standards. - Tested to ISO 4210 Mountain standards - 3D-forged for increased strength, then CNC-machined - 4-bolt faceplate for easy installation

Running a conventional threaded bottom bracket on your BB30 or PF30 frame doesn't have to be complicated. This press-fit adapter from FSA goes in snug and opens up a lot of crankset possibilities for your BB30/PF30 frame. - Aluminum - Allows conventional threaded bottom brackets to be installed in a BB30 or PF30 frame - Install with headset press (not included) and green Loctite (included)

Kalloy's 602 seatpost comes in a wide variety of diameters to fit most frames. Simple, sturdy, and lightweight, the 602 makes a great replacement seatpost.

FSA Pro Track Chainrings are CNC Machined AL7075/T6 with laser-etched logos. - Requires 1/2" x 1/8" chain

Jagwire's Road Brake Inner Wire is a high-quality brake cable made of stainless steel for excellent braking performance, corrosion resistance and durability. It comes in Campagnolo and SRAM/Shimano models and lengths to fit single and tandem bicycles.

FSA Pro Road Chainrings deliver flawless shifting for any road drivetrain. - Precision CNC machined AL7075/T6 alloy

Looking for a SRAM XO1, X1, GX, and NX chainring with the proven chain retention of our patented Drop-Stop® chainrings? Wolf Tooth has what you need in these beautifully machined 94 BCD bolt-on chainrings. - Fits any 94 BCD SRAM crankset - Drop-Stop® technology. On Wolf Tooth’s patented wide/narrow chainring, the wide side of the tooth has maximum contact on the drive side which spreads the load and improves chainring life. The narrow side allows clearance for mud and debris which reduces friction. - Alternating wide/narrow tooth pattern prevents chain derailment Compatibility: - These rings fit any SRAM mountain bike crankset with a 94 BCD. Note that we also offer SRAM direct mount chainrings for standard, boost and BB30 short spindle cranksets and some stainless steel versions. - If using a 9-speed drivetrain use a 10-speed chain (shifts and works well on a 9-speed drivetrain and fits the ring tighter for better chain retention) - Chainline - 49mm - Provides a great chainline on most boost bikes. Use Drop-Stop A or B for all 9, 10, and 11spd chains or 12spd SRAM Eagle, KMC, Connex or Wippermann chains DROP-STOP A Wolf Tooth Drop-Stop A is the original patented wide/narrow chainring compatible with multiple drivetrain brands including 9, 10, 11, and 12spd SRAM Eagle, KMC, Wippermann, etc. NOT compatible with 12spd SRAM Transmission (T-Type) Flattop, 12spd Shimano HG+, or 12spd Campy Recommendations - If you plan to ride in very muddy conditions, we recommend a chainguide or chainkeeper in addition to a clutch-type rear derailleur. Without these precautions, you may experience chaindrops and/or chainsuck. Tech Specs: - Weight: 30t • 44g | 32t • 54g | 34t • 63g - Material: 7075-T6 aluminum - Made in the USA - US Patent 958123