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Cassettes/Freewheels

Shimano Dura-Ace R9100 11-Speed Cog Spacer
$5.00
Shimano Dura-Ace R9100 Cassette Spacers
Sturmey-Archer 3-Speed Sprocket And Circlip
$5.00 - $5.90
- 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
Sturmey-Archer Dished 3-Speed Sprocket And Circlip
$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
Gusset 1'er Steel Cog
$5.95
- Single deep tooth CrMo 3/32" cog for use with HG splined cassette hubs
Dimension Singlespeed Driver And Single Cog
$6.99
Dimension Steel Cogs are splined for BMX and singlespeed hub compatibility. - Steel with chrome finish - Cogs are splined for Shimano BMX and singlespeed hub compatibility - Compatible with 1/2-inch and 1/8-inch chains
Shimano CS-MX66 DXR - Single BMX Sprocket
$8.99
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
Gusset 332 Fixed Cog
$9.95
- CNC machined threaded steel track cog with chrome-plated finish - 1.37"x24tpi (right handed) threads - Size: 3/32"
Shimano Alfine Sprocket
$10.99 - $12.99
- 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
Shimano Dura-Ace 9000 11-Speed Cassette Lockring
$14.00
Shimano Cassette Lockrings.
Sturmey-Archer Singlespeed Freewheel
$15.90
- Reliable chrome-plated Chromoly 4-notch freewheel
Shimano Tourney 7-Speed Cassette
$15.99
Shimano Tourney CS-HG200-7 7-speed cassette Combinations: - 12 – 28T: 12-14-16-18-21-24-28T (bm) - 12 – 32T: 12-14-16-18-21-26-32T (bp)
SRAM PG-730 7-Speed Cassette
$16.99
SRAM's PG-730 7-Speed Cassette is the perfect replacement for your worn-out gears. It features a rugged steel construction for awesome durability and SRAM's PowerGlide technology for smooth, precise shifts throughout its 12-32 tooth range.
SRAM SRAM PowerGlide PG-820 Cassette
$18.00
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.
Gusset Double Six Cog
$19.95 - $21.95
- CNC machined CrMo 5/64" cog with 7mm thick Hyperglide-spline, 9sp chain compatible - Extra wide spline interface prevents cog from deforming freehub body splines - Size: 5/64"
Odyssey BMX Freewheel
$19.99
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
SRAM SRAM PowerGlide PG-830 Cassette
$19.99
SRAM's PowerGlide PG-830 Cassette is a quality 7-speed cassette. It boasts durable chrome-plated steel cogs with SRAM's shifting technology that includes optimal tooth profiles and ramps for fast, precision shifts every time.
Microshift H08 8-Speed Cassette
$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
Microshift H09 9-Speed Cassette
$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
Shimano CS-HG41 7-Speed Cassette
$20.99
- MODEL NO: CS-HG41-7 - SERIES: SHIMANO - Combination: 11-13-15-18-21-24-28T (ac) - Combination name(Group name): 11-28T (ac) - Compatible chain: IG/HG - Speeds: 7-speed - Type: HG
Soma Track Kog
$21.90 - $25.90
- CNC-machined from hardened chromoly with phosphate black finish - Threaded track cog for 1.37"x24tpi (right handed) threads - Choose 3/32" or 1/8" widths (Use SF-1750 for lockring)
All-City Standard Track Cog
$22.00
- Chromoly steel with black oxide finish - 1.37" x 24tpi right hand thread - Requires a cog lockring (sold separately) - Compatible with 1/8-inch chains
Shimano Alivio CS-HG51 8-Speed Cassette
$22.99
- Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Drivetrain Speeds: 8
Shimano Claris 8-Speed Cassette
$23.39
Shimano's Claris cassette is an incredible value for your 8-speed drivetrain. This cassette comes in a range of sizes to suit your riding style and terrain.
HALO Fat Foot Cog
$23.95 - $27.95
- CNC machined CrMo cog with 7mm thick Hyperglide-spline, 1/8-inch chain compatible - Extra wide spline interface prevents cog from deforming freehub body splines - Size: 1/8-inch
Shimano CS-HG50 8-Speed Cassette
$23.99 - $40.99
- MODEL NO: CS-HG50-8 - SERIES: SHIMANO CLARIS R2000 Series - Compatible chain: CN-HG71 - Speeds: 8-speed - Type: HG
HALO DJD-Bush Sprockets
$24.95
- CNC CrMo cogs to Fit the DJD-Bush drive rear hub drivers - Size: 1/8-inch
Dimension 6-Speed Freewheel
$24.99
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
Microshift ADVENT 8-Speed Cassette
$24.99
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
Microshift H10 10-Speed Cassette
$24.99 - $29.99
MicroSHIFT's H10 cassettes are manufactured to exacting tolerances for straightness, shift quality, and durability, resulting in responsive shifting performance that lasts longer than you might expect. - Sprockets are chrome-plated for hardness and corrosion resistance - 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 10-speed systems - Steel 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 - 11-32T: 11-12-13-15-17-19-21-24-28-32 - 11-34T: 11-12-13-15-17-19-21-24-28-34 - 11-36T: 11-13-15-17-19-21-24-28-32-36
Shimano Altus 9-Speed Cassette
$24.99 - $26.99
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)
SRAM PG-850 8-Speed Cassette
$25.00 - $33.00
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.
HALO Fixed Cog and Lockring
$27.95
- CNC machined steel track cog, 1.37"x24tpi (right handed) thread, 1/2" x 1/8" teeth - Choose aluminum or steel lockrings, 1.29" x 24tpi left hand thread
Gusset 66C Campagnolo Steel Cog
$28.95
- Non-drilled CrMo 5/64" cog for use with Campagnolo splined cassette hubs - 10mm wide steel cog spline spreads load over greater surface area, preventing cog from deforming alloy freehub spline. 64g (16T)
Shimano Alivio 9-Speed Cassette
$28.99 - $39.99
- MODEL NO: CS-HG400-9 - SERIES: SHIMANO ALIVIO M4000 Series - Compatible chain: HG 9-speed - Speeds: 9-speed - Type: HG
Dimension 7-Speed Cassette
$29.95 - $34.95
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
Dimension 8-Speed Cassette
$29.95 - $34.95
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: 11-12-14-16-18-21-24-28 - 11 – 32T: 11-12-14-16-18-21-26-32
Gusset 1'er Singlespeed Conversion
$29.95
- Converts any 8-10sp HG splined cassette hub to a Singlespeed - 3/32" cogs. 14mm and 19mm spacers can be swapped to fine tune chainline
Microshift H110 11-Speed Cassette
$29.99 - $100.00
MicroSHIFT's H11 cassettes are manufactured to exacting tolerances for straightness, shift quality, and durability, resulting in responsive shifting performance that lasts longer than you might expect. - 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 11-speed systems - Steel lock ring - Chrome plated for hardness and corrosion resistance Gear 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 - 11-42T: 11-13-15-17-19-21-24-28-32-36-42
SRAM PG-720 Cassette
$31.00
No mixed messaging or compromises here. The GX DH cassette was built with only one purpose in mind—exploiting gravity to its fullest lap after lap. This downhill-optimized 7-speed cassette provides gear steps that give each shift more purpose, and its compact design allows more spoke clearance. It’s a full-on, dedicated SRAM 1x cassette for gravity that lets you keep some money for a lift ticket. GX DH—Get Some. - The PG-720 cassette is an integral part of the SRAM 1x DH drivetrain system - This is the most affordable full-featured, dedicated 1x DH cassette in the industry - Fewer cogs allow for a faster transition from starting cog to highest cog - More rear wheel clearance around spokes - Fully compatible with the SRAM X01 DH drivetrain - Splined driver body compatible - Weight: 224 grams - Gear-Ratio:11 – 25T - Speeds: 7 - Recommended Group: GX DH
SRAM PG-950 9-Speed Cassette
$33.99
When it's time to replace your 9-speed cassette, check out SRAM's PG-950 cassette. It delivers solid shifting and durability ride in and ride out for your 9-speed rig.
All-City Stainless Track Cog
$34.00
• Stainless steel with high-polish finish • 1.37" x 24tpi right-hand thread • Requires a lockring (sold separately) • Compatible with 1/8-inch chains
Dimension 9-Speed Cassette
$34.95 - $39.95
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: 11-12-13-15-17-19-21-24-28 - 11 – 32T: 11-12-14-16-18-21-24-28-32 - 11 – 34T: 11-13-15-17-20-23-26-30-34
Microshift ADVENT 9-Speed Cassette w/Steel Large Cog
$34.99
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 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. - Carbon steel cogs are continuously forged for strength and shifting accuracy - Compatible with standard freehub bodies - ED black surface finish - Combination: 11-13-15-18-21-24-28-34-42
Shimano Sora 9-speed Cassette
$34.99
Shimano's Sora cassette is an incredible value for your 9-speed drivetrain. Crisp shifting and a low weight keep your mind focused on having fun on your bike and not adjusting it. This cassette comes in a range of sizes to suit your riding style and terrain.
Surly Cassette Cog
$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.
Surly Track Cog
$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.
Shimano Deore 10-Speed Cassette
$38.99 - $64.99
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
Atomlab Singlespeed Conversion Kit
$39.95
- Converts an 8-10sp HG splined cassette hub to a Singlespeed. 100g
Gusset Double Six Singlespeed Conversion
$39.95
- Offers a lighter weight, compact singlespeed drive - Converts any 8-10sp HG splined cassette hub to Singlespeed - Extra wide spline interface prevents cog from deforming hub splines - Cog is CNC machined CrMo, 1/2"x5/64" - Includes: 12T cog, 2 spacers, lockring
Dimension 8-Speed Freewheel
$39.99
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
Microshift ADVENT 9-Speed Cassette w/Alloy Large Cog
$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
Microshift G10 10-Speed Cassette
$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
Shimano Track Cog
$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.
Microshift G11 11-Speed Road Cassette
$42.99 - $54.99
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
SRAM PG-970 9-Speed Cassette (MTB)
$43.00
SRAM's PG-970 9-Speed Cassette is the perfect replacement for your worn-out gears. It features a rugged steel construction for awesome durability and SRAM's PowerGlide technology for smooth, precise shifts.
Dimension 9-Speed Freewheel
$44.99
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
SunRace RS3 11-Speed Cassette
$45.99
RS3 Cassettes are a great replacement for 11-speed road sytems. - Lightweight wide-range Road cassette compatible with HG 11sp road freehub bodies - Steel cogs (top 3 mounted to spider), steel lockring, and composite spacers - Cassette Body Type: Shimano/SRAM 11 Speed Road - Drivetrain Speeds: 11 - Cogs: 11,12,13,15,17,19,21,23,25,28,32 - Weight: 332 g
SunRace M99 9sp Cassette
$48.72
- Extra-wide range, Super Fluid Drive shift profiling, compatible with SRAM and Shimano 9sp drivetrains - Weight-optimized steel rings, engineering polymer spacers, nickel plated finish - 11-36 - 390g
Shimano 105 10-Speed Cassette
$48.99
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.
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