The name of the track game is chain tension. If you get a cheapo, poorly made sprocket for your board warrior chariot, you'll end up with something that just wilts under your massive power output. The result is a cog that's noisy, and doesn't perform up to your expectations. So equip your steed with the Shimano Dura-Ace ½" x 1/8" track cog. Its precision machined out of high-quality, hard-wearing chromoly steel to the standards you'd expect from anything with "Dura-Ace" stamped on it.
Hard-wearing chromoly construction ensures minimal wear
Precision machined to be straight and true for optimal performance
Designed to complement the amazing Shimano Dura-Ace track hubs (but will fit most standard track hubs as well)
For use with 1/8" track chains
Fixed cog only, no freewheel (lockring not included)