Shimano's Dura-Ace Track Cog threads onto standard 1.37" x 24 TPI track hubs and is available in multiple sizes to suit every track, race, or workout.
NJS approved. Compatible with 1/2" x 1/8" chains.
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
Cassette Type: Freewheels/ Fixed Cogs
Drivetrain Speed: Singlespeed/Fixed Gear
Track cogs are a lot like the widgets I studied in Economics 101. There is little you can do to differentiate one brand from another. I picked this up because I needed a 14 and it was clearance priced.
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