Cassettes/Freewheels

Shimano's 105 10-Speed Cassette delivers excellent shifting and durability. The cogs are made of long-lasing, smooth-running steel. They have Shimano's engineered tooth shapes for precision shifting. And for lightness, the cassette has an aluminum carrier for the top cogs and nylon spacers.

Shimano's Ultegra 10-Speed Cassette delivers pro-level shifting and durability. The computer-enhanced tooth shapes and tough cogs mean you can shift quickly, precisely and smoothly even under pressure.

The e*Thirteen TRS Plus 12-Speed Upgrade Kit lets you upgrade your existing 11-speed SRAM drivetrain to a 12-speed drivetrain without needing new cranks, chainrings, shifters, or derailleurs. All parts and required tools are included including new internals for the SRAM shifter. - Kit is also compatible with Shimano XTR, XT, and SLX 12-speed drivetrains when used with Shimano 12-speed derailleurs and shifters - Smaller 9-46T cassette gives a better chainline, for longer-lasting drivetrains - The assembly utilizes XD Driver mounting to enable a 9-46T 12-speed cassette, keeping the drivetrain simple, yet providing the gear range of a 2X system - Cassette Body Type: SRAM XD 11/12 Speed - Cassette Cogs: 9-10-12-14-16-18-21-24-28-33-39-46 - Drivetrain Speeds: 12 - Color: Black - Weight: 336 g

Machined from heat-treated, chrome-plated chromoly, these seriously tough cogs will hold up to massive track sprints and crazy skid-stops. Surly's Track Cogs are strong, shiny and they come in two widths and sizes from 13T to 22T so you can select the perfect gear.

The Shimano SLX CS-M7100 12-speed cassette is optimized with rider-tuned gear combinations for MTB excellence. - Advanced shifting performance provides the confidence to enjoy any trail - Light and stiff construction reduces cassette inertia resulting in faster acceleration and increased chain security - HYPERGLIDE+ technology provides better chain engagement, stronger retention, and smoother pedaling with greater power and confidence over rapidly changing terrain - Designed with a Shimano Micro Spline body that features smaller and more widely distributed splines to limit cog damage on freehub - The CS-M7100 cassette meets durability requirements for E-MTB applications - Cassette Body Type: Shimano Micro Spline - Drivetrain Speeds: 12 - Range: 10-45 - Designed for ebike: Yes - Color: Silver/Black - Defined Color: Silver

Campagnolo's Chorus Cassette offers precise, fluid shifting for your 11-speed drivetrain. The teeth have been exquisitely engineered and machined from steel, then coated with a nickel-chrome surface treatment and mounted on an aluminum carrier for flawless shifts and excellent durability.

While the greatest focus is generally given to the moving parts of the groupset, the drivetrain is not complete without the cassette. And a Campagnolo groupset is not complete without an extremely efficient, reliable, and high-performance cassette. This is why the Centaur groupset offers high-quality solutions to meet the needs of even the most demanding cyclist. - Built with one steel triplet and 8 steel single sprockets. - Includes lockring - Weight: 291g

Steel sprockets with nickel-chromed finish. Built with one triplet and 8 single sprockets. - Includes lockring - 11-32t compatible only with medium-cage rear derailleur - Cassette Body Type: Campagnolo 10/11 Speed - Weight: 249g

Dimension cassettes feature Shimano/SRAM compatible spacing, precise fitment for crisp shifting, and easy installation with standard tools. They're a perfect replacement for worn out cogs. Constructed of steel cogs and lock ring. Cassette Cogs: - 11 – 28T: 11-13-15-18-21-24-28 - 12 – 28T: 12-14-16-18-21-24-28 - 12 – 32T: 12-13-15-18-21-24-32

A range of sturdy, affordable cogs is an essential part of a single speeder's quiver. Origin-8's Single Speed Cog is available in 13, 14, 16 and 18T sizes is chrome plated to resist rust and increase longevity. It's designed for Shimano/SRAM style cassette bodies and is made with splined, hardened chromoly steel. Now you can easily tailor your gearing for the terrain.

A range of sturdy, affordable cogs is an essential part of a fixie rider's quiver. Origin-8's Track Cog is available in a variety of sizes and is chrome plated to resist rust and increase longevity. Now you can easily tailor your ride for the terrain. And you can choose between 1/8 and 3/32-inch chain widths.

A range of sturdy, affordable cogs is an essential part of a single speeder's quiver. Origin-8's Torq Lite Single Speed Cog is available in wide range of sizes so you can easily tailor your gearing for the terrain. It's designed for Shimano/SRAM style cassette bodies, features a wide, flex-free base, and is made from hardened chromoly steel.

The first kit to convert SRAM XD driver-equipped wheels for singlespeed use! Problem Solver's has a disproportionately large percentage of singlespeed enthusiasts in their ranks, so it’s only natural that when SRAM introduced a new freehub body in order to accommodate a larger number of gears, they started thinking about how to convert it to one gear. The Zinger provides chainline adjustability and a broad range of cog sizes for whatever type of bike you’re lookin’ to simplify.

The Odyssey 13T freewheel threads on to the metric (small) side of a flip flop hub. - Freewheel Teeth: 13 - Cassette Body Type: Threaded Metric 30 x 1mm - Chain Compatibility: 1/2" x 1/8" - Weight: 113g

The product that set the standard and still the best available! The GC line of cassette extender cogs allow you to modify your 10-speed cassette into a wide range cassette. To achieve the optimal shifting, the GCs are optimized for Shimano or SRAM cassette so always select the correct type for the cassette brand you have. Compatibility: - Compatible with SRAM 10-speed cassettes listed on the GC tech page - Compatible with all 10-speed chains - Note that you may need a longer chain that you currently have on your bike - Chain stretch should be less than .5 when installing a new GC - Compatible with all 10 speed rear derailleurs except non-clutch type SRAM rear derailleurs model year 2012 and older - These older rear derailleurs do work with the GC40. - Can be run in 2x configuration with a long cage rear derailleur - These may fit tightly on some over-sized hub bodies such as Stan's No Tubes 3.30 and the Easton X4 hubs. With a little filing and some grease they will go on.

Dimension cassettes feature Shimano/SRAM compatible spacing, precise fitment for crisp shifting, and easy installation with standard tools. They're a perfect replacement for worn out cogs. Constructed of steel cogs and lock ring. Cassette Cogs: - 11 – 28T: 11-12-13-14-15-17-19-22-25-28 - 11 – 36T: 11-13-15-17-19-22-25-28-32-36

Dimension Freewheels are excellent drivetrain component replacements. With smooth shifting performance and durable construction, they'll help breathe new life into older bikes. - A must-have in any bicycle service department - One-piece design - Shimano index compatible - Works with most friction shifters - Suitable for use with e-bike drivetrains

• Steel • 8-speed

• Stainless steel with high-polish finish • 1.37" x 24tpi right-hand thread • Requires a lockring (sold separately) • Compatible with 1/8-inch chains

Precision CNC CroMo construction - 9 Pawl/108 Point/3.33° Engagement for instant power transfer - 8 spline removal - Chrome plated

Pair this cog with your Shimano-compatible rear hub, spacers and a lockring (sold separately) and discover the joy and simplicity of a singlespeed without the cost of a new wheel. Machined from heat-treated chromoly and then chrome plated, these seriously tough cogs are strong, shiny and they come in sizes from 13T to 22T so you can pick the perfect gear.

- Steel - 7-speed

CS-G110 cassettes combine microSHIFT's continuously molded cogs with a CNC machined aluminum spider to deliver rapid, precise shifting at a lower weight. - Continuously molded cogs are straighter than stamped steel, resulting in more consistent, predictable shifting performance - CNC machined aluminum alloy spider carrier saves weight - Sprockets are chrome-plated for hardness and corrosion resistance - Precision ramps and chamfers for rapid chain movement - Compatible with SRAM and Shimano 11-speed systems - Aluminum lock ring Combinations: - 11 – 25T: 11-12-13-14-15-16-17-19-21-23-25 - 11 – 28T: 11-12-13-14-15-16-17-19-21-24-28 - 11 – 32T: 11-12-13-14-15-17-19-21-24-28-32

- Cold-forged chromoly construction - 8 splines for removal - Oversize 3-pawl design - Heavy-duty use freewheel - 13T and 14T fit Flip-Flop hubs only - Speeds: Single - Width: 3/32"

- 5-speed freewheel - 14 – 28T

These 8-speed cassettes are nickel plated for durability and constructed using the same processes as microSHIFT's higher-end cassettes, resulting in rapid, responsive shifting at an affordable price. - Nickel-plated - Continuously molded cogs are straighter than stamped steel, resulting in more consistent, predictable shifting performance - Precision ramps and chamfers for rapid chain movement - Compatible with SRAM and Shimano 8-speed systems - Steel lock ring Gear combinations: - 12-25T: 12-13-15-17-19-21-23-25 - 11-28T: 11-13-15-17-19-21-24-28 - 11-32T: 11-13-15-18-21-24-28-32 - 12-32T: 12-13-15-18-21-24-28-32 - 11-34T: 11-13-15-18-21-24-28-34

When it comes to adventurous riding, a wider gear range is often better. With 8 speeds and a 12-42T range, the ADVENT cassette has the low gears 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. - Steel Cogs are continuously forged for strength and shifting accuracy - Compatible with standard freehub bodies - Combination: 12-15-18-21-24-28-34-42

Shimano Deore M6000 CS-HG500-10 10-speed cassette. Combinations: - 11 – 25T: 11-12-13-14-15-17-19-21-23-25T - 12 – 28T: 12-13-14-15-17-19-21-23-25-28T - 11 – 32T: 11-12-14-16-18-20-22-25-28-32T - 11 – 34T: 11-13-15-17-19-21-23-26-30-34T

For flawless shifting and maximum power transfer, Campagnolo brings you the Super Record 11-Speed Cassette. Its largest 6 cogs are constructed from titanium to save weight, while the other 5 are made of nickel-plated steel for durability. The cogs are mounted on a light and rigid aluminum carrier, and the cassette is secured to the rear wheel with a feathery aluminum lockring.

SRAM's 1050 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 and is available in myriad configurations to suit all your riding. There are even models with 36-tooth largest cogs for super-easy climbing.