4 Bolt race sprocket from Sinz.
Light weight affordable race chainring from Sinz.
Race cog from Sinz. Shimano compatible with flange.
The Sinz Expert Square Taper Cranks are made from forged from 6000-series alloy. Featuring standard 5 bolt spider design. Available from in lengths from 115mm to 170mm. For use with 110mm square taper bottom brackets (not included).