Endless Bike Kick Ass Cog 17t - Black Ano Model=Universal Di2 Charger Two 11mm diameter Enduro ball

Two 11mm diameter Enduro ball bearings are used at the pivot point for smooth actuation

Medium-height blocky tread with rounded edges and increased ramping to provide improved mud clearing and decreased rolling resistance

This makes sure you can ride in adverse weather conditions as well so that your bike becomes even more flexible

8 replaceable pins per side

Endless Bike Kick Ass Cog 17t - Black Ano Model=Universal Di2 Charger Two 11mm diameter Enduro ballMachined 7075 T6 aluminum Singlespeed cogs Wide base prevents the cog from digging into freehub bodies and reduces flex Splines are machined for perfect alignment and fit on all mountain cassette hubs The shape, width and height of the teeth are CAD designed and optimized for Singlespeed use with 3 32" chains (1 8" OK) The design offers more contact with the chain rollers for better wear resistance of both the cog and the chain Positive engagement