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Cassettes/Freewheels

$16.99 - $19.99
• Easy-on, easy-off
• Available in two chain widths and two colors
• Available in six teeth sizes

$50.99 - $64.99
- Shimano 105 R7000 Series CS-R7000 10-speed cassette
- Average weight: 284 g (11-28T), 304 g (11-30T), 320 g (11-32T), 269 g (12-25T)
Combinations:
- 11 – 28T: 11-12-13-14-15-17-19-21-23-25-28T
- 11 – 30T: 11-12-13-14-15-17-19-21-24-27-30T
- 11 – 32T: 11-12-13-14-16-18-20-22-25-28-32T
- 12 – 25T: 12-13-14-15-16-17-18-19-21-23-25T

$33.99 - $34.99
- MODEL NO: CS-HG400-9
- SERIES: SHIMANO ALIVIO M4000 Series
- Compatible chain: HG 9-speed
- Speeds: 9-speed
- Type: HG

$69.99 - $100.00
SRAM's PG-1130 11-Speed Cassette is constructed of heat-treated steel cogs and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick, positive gear changes. This excellent cassette also sports an aluminum spider construction for a maximum stiffness-to-weight ratio, a durable steel lockring, and comes in three wide ranges to suit your riding style.

$90.00 - $114.99
SRAM's 1170 11-Speed Cassette is constructed of light, durable materials and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick, positive gear changes. This excellent cassette also sports a semi-spider construction for a maximum stiffness-to-weight ratio, a lightweight aluminum lockring, and is available in three ranges to suit all your riding.

$24.99
SRAM's PowerGlide PG-820 Cassette is a fine 8-speed cassette. It features steel cogs with SRAM's DuraBlast technology for smooth, precision shifting and excellent durability.

$39.99
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

$40.99 - $45.99
CS-G100 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 shifting performance from cassette to cassette
- 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 10-speed systems
- Aluminum lock ring
Gear combinations:
- 11-25T: 11-12-13-14-15-17-19-21-23-25
- 11-28T: 11-12-13-14-15-17-19-21-24-28
- 11-36T: 11-13-15-17-19-21-24-28-32-36

$20.99
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

$20.99 - $21.99
These 9-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 9-speed systems
- Steel lock ring
Gear combinations:
- 11-25T: 11-12-13-15-17-19-21-23-25
- 12-25T: 12-13-14-15-17-19-21-23-25
- 11-28T: 11-12-13-15-17-19-21-24-28
- 11-32T: 11-13-15-17-19-21-24-28-32
- 11-34T: 11-13-15-17-19-21-24-28-34
- 11-36T: 11-13-15-18-21-24-28-32-36

$34.99 - $39.99
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

$23.38 - $27.99
- Durable cold forged CNC machined freewheel
- 3 pawl engagement for stronger hold with engagement every 12 degrees
- New removal notch pattern allows for better frame clearance

$299.00
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

$39.99
absoluteBLACK single speed cogs feature a unique tooth shape, narrow-wide profile, and perfect roundness. Crafted with CNC machined 7075 aluminum with an anodized finish for long-lasting construction.
- Tooth design is wider and more "square-like" compared to other single speed cogs
- The narrow-wide profile provides additional strength and offers greater chain retention
- Compatible with 1X, 6, 7, 8, 9, 10, 11, and 12-speed chains
- To utilize the narrow-wide feature, use a 9, 10, 11, or 12-speed chain
- Not compatible with half-link chains
- Compatible with Shimano HG cassette bodies

$74.95
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.
Compatibility:
- Compatible with SRAM 10-speed cassettes
- Compatible with all 10 speed rear derailleurs and 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
- Can be run in 2x configuration with a long cage rear derailleur
- These fit very tight on certain Stan's No Tubes hubs like the 3.30 and the Easton X4 hubs. With a little filing and some grease they will go on.

$74.95
- Extended range aluminum cog for those wanting 1x10 with a full range of gears
- Only fits Shimano XT/XTR 11-36t (M771/M980) or SRAM X5/X7/X9/X0 11-36t 10sp cassettes (not compatible with 2011 and older SRAM derailleurs)
- Requires removal of the 17T or 15T cog and spacer from existing cassette
- Longer B-screw (sold separately) only needed for about 50% of Shimano derailleurs
- May require a longer 10sp chain. Very tight fit on Stans 330 rear hub splines
- Designed and manufactured in the USA from 7075-T6 aluminum alloy

$35.00
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.

$35.00
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.

$5.00
- 3-spline steel cogs for use with Sturmey 3-speed (and 5-speed) internal gear rear hubs
- Flat or dished for tuning chainline. Xylan coating for greater durability

$11.99 - $14.99
- Special single gear design with chain tensioner
- Revised tooth profile to prevent chain skip
- MODEL NO: CS-S500
- SERIES: SHIMANO ALFINE S7000/S700 Series
- Gear thickness (mm): 2.0
- Recommended chain: Super Narrow HG for 9-speed

$9.99
Built for the demands of BMX racing, the MX66 single speed cassette cogs are compatible with SHIMANO MX70, MX66 BMX hubs as well as other SHIMANO-compatible hubs.
- Single sprocket: 14/15/16/18T
- Chain size: 1/2-inch x 3/32-inch
- Speeds: Single
- Single sprocket for FH-MX70

$269.99
- Rider Tuned Gearing
- Wider Gear Combination: 11 – 28T/12 – 28T/11 – 30T (New Gear Combination)
- Closer Gear Combination: 11 – 25T/12 – 25T
- Lightweight
- CFRP & Alloy Spider Arm, 5 Titanium Sprockets
- Gear Combination: 11 – 25T, 11 – 28T, 11 – 30T (New Gear Combination), 12 – 25T, 12 – 28T

$41.00
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.

$86.99
- 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

$86.00
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.

$143.00
Full Pin technology uses eleven lightweight, stamped steel cogs held together with 123 high-strength stainless steel pins. The result: a cassette that’s light, durable and equipped with SRAM’s super wide 10-42T gear range that’s a perfect fit for any ride. The open design aids in mud clearance, giving you cleaner shifting performance and longer component life.
• Super wide 10-42T gear range is a perfect fit for any ride
• Optimized gear steps across entire range
• XD driver body creates more stable hub connection
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