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Black Friday BF20
Get free shipping, on most items, with your $50 purchase today! Same day shipping on most orders if placed by 3pm PST.
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This offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and some exclusions apply.
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All bikes are built, tested, tuned, and ready to ride upon shipment. The bike build process typically takes 2-3 days to complete depending on the bike model and the complexity of the build.
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Orders for in-stock items placed by 3PM PST usually ship on the same day. Orders that include special-order or backordered items may be subject to shipping delays depending on product availability. Refer to estimated delivery times in cart when selecting shipping options.
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$7.99
Dimension Splined Single Speed Cog This Dimension Splined Single Speed Cog is a quick and easy way to convert your geared rear wheel to single speed, without needing a new wheel. This cog fits on Shimano/SRAM HG-style freehub bodies, and can be adjusted to accommodate most chainlines with the use of spacers (sold separately). This ⅛”-specific cog is optimized for use with single-speed or BMX-specific, ⅛” chains. Features Designed for use with ⅛” chains including ...
$16.88 24% off $22.50 msrp
Foundation Single Speed Conversion Kit MAKE THE SWITCHAre you trying to convert your ride into a single speed sans headaches and thrown wrenches? Well, Jenson, has you covered. The Foundation Single Speed Conversion Kit includes two spacers, two cogs (a 16T and an 18T) as well as a lock ring. Multiple cogs and spacers let you dial in your gear ratio, chain-line, and tension with precision. Flex your whip in the streets or just cruise ...
$9.99
Replacement cogs for Shimano cassette hubs (or other 1 gear applications, like singlespeed MTBs) Fits standard Shimano cassette bodies Steel 3/32" NOT FOR USE WITH 1/8" CHAINS | Shimano | Mx66 Bmx Single Cassette Cogs Steel, 15 Tooth
$22.99 11% off $25.95 msrp
DMR Single Speed spacer kit, includes 16t cog plus spacers and lockring. Fits Shimano-compatible 8/9/10 speed freehubs. | Dmr | Revolver Single Speed Spacer Kit Includes 16T Cog
$41.00
SHIMANO DURA-ACE TRACK COGSTAYING ON TRACKWhether you're replacing a worn-out cog of just changing your gear ratio, you'll want to use the best parts for your single speed machine. The Shimano Dura-Ace Track Cog is a screw-on track cog for fixed gear bikes. It uses the standard 1. 37" x 24 TPI threads. Features Thread type: 1. 37" X 24 TPIChain Compatibility: 1/8" or 3/32" options available Designed for fixed gear bikes | Shimano | ...
$35.00
Surly track cogs are threaded the same as a BMX freewheel (1. 37 x 24tpi right-hand threads). This means that they will fit on single-speed rear hubs, as well as BMX freewheel hubs, but this application is not recommended. Track cogs are meant to work on track hubs only. Features and Information 415 hardened Cro Moly steel 1. 37" x 24 tpi Item Specifications Cassette Body Type Threaded, Track Chain Compatibility 1/2" x 1/8" | ...
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