Available Options are:

Materials: Spindle material: Forged scm 435 chromoly steel

The Force AM's tread pattern and rubber compounds have been specifically tailored for rear wheel use

Rubber-like PVC

Shimano CUES FC-U6000 1x9-10-11 Speed Crankset - 68-73mm and BB86-92 - 24mm - 96 BCD - Shimano Asymmetrical - 175mm - Black Ignore Wholesale Tier 1 Brand Rule Available Options are:Superior chain retention and power transfer for fun riding over the rough stuff Grow your confidence riding hard over the rough stuff with this crankset's wide range gearing and seamless pedaling. FEATURES 2 PIECE CRANKSET increases rigidity of crankset with less weight and transmits pedaling force efficiently Special gear tip shape improves chain engagement and retention for smooth riding over rough terrain DYNAMIC CHAIN ENGAGEMENT+