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julio 22, 2026

Unbranded 17T Threaded Track Cog 1/8″

See all photos for condition. Only includes what is shown. Where applicable, buyer is responsible for verifying compatibility by checking part numbers, serial numbers, or other identifying information. Message before purchasing if unsure. Returns will not be accepted for mistakenly ordering the wrong thing. Used items are sold as-is.
julio 22, 2026

Boone Titanium Single Speed Double Step Cog Shimano HG Tooth Linear Rainbow USA

Official Boone single speed cogs machined to order out of aerospace grade titaniumProudly machined in Kennesaw, Georgia USAPlease check listing options for tooth counts availableFits Shimano HG (HyperGlide) spline hubs - the most common Shimano hub spline: 7,8,9,10 and 11 speed Shimano hubs These cogs have a distinguished look with lightning patterns cut out to save on weightFeature a linear rainbow fade bead blast finish on the teeth, back, and the upper and lower spacers, and have a mirrored surface on the front flat surface around the spacer to contrast and highlight the lightening patternWidely considered to be the ultimate single speed cogPlease ask any application questions before making a purchaseClick here to shop my store! Purchase details: eCheck payments wait to ship until the eCheck clears, per PayPal instructionsSales tax is collected for most states, please review your total purchase amount before committing to buyInternational buyers pay import duties / customs feesMy name is Chris and I sell on eBay using the golden rule: treat others as I'd want to be treated (and it's worked so far: look at my feedback since 1999 on eBay). I'm happy to answer any questions. I want each transaction to go smoothly!
julio 22, 2026

Wolf Tooth Single Speed Aluminum Cog – 18t, Compatible with 3/32″ Chains, Gold

These Wolf Tooth aluminum single speed cogs feature extra tall teeth for reliable chain retention when using chain tensioners.Item weight: 19g. Crafted with strong and lightweight premium 7075-T6 aluminum. Optimized for use with 9,10,11 speed chains, but suitable for use with some 12-speed chains. Reversible and 4.5mm wide at the base to help prevent cog from damaging your freehub body. Fits Hyperglide style freehub splines. Not compatible with Microspline or SRAM XD freehubs. Not compatible with Campagnolo 13-speed chains. Item Specifications: Tooth Count, 18, Cassette Body Type, /SRAM 8, 9, 10 Speed, Drivetrain Speeds, Single Speed 3/32", Material, Aluminum, Defined Color, Gold, SHIPS TODAY! Order before 1:30PM EST, M - F, and this item ships the same day! HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us
julio 22, 2026

Euro Asia Imports Gold Medal Pro 18T

The fabled Gold Medal Pro track cog 14T to 18T. In 1/8 only. For professional track racing. Perfect threads, roundness, concentricity, and tooth profiles. Titanium Nitride coating increases lubricity and durability. Ridden by the most dominant track team in the world. With wins in the Worlds Championships and Olympic games. This cog is named appropriately.