KMC - Z8.1 Chains Back Packs This part is required to

This part is required to screw onto a Fidlock Twist Spare Bottle so it can be used with a Fidlock Twist Spare Bike Base Mount

which eliminates the needs for bumpers

and 5° upsweep

28h Front Tire Butcher

KMC - Z8.1 Chains Back Packs This part is required toKMC Z8. 1 CHAINS Z Series features stronger pins and riveting to achieve higher pin power and upgraded durability while structural chamfering bring benifits of low noise and smooth pedaling. An anti drop design combined with wider and thicker chain plates allows for a stable and safer cycling experience. 7,8 Speed Compatible. High Pin Power with Reinforced Durability Quieter Riding Experience. Anti Drop Design Wider, Thicker, Safer. 116 Links.