Chin Ring Nut Wrench Brand_Assos Pairs cleanly over Santini base

Pairs cleanly over Santini base layers and under rain jackets when full weather protection is needed

A 1x system is simpler and lighter with fewer parts to service

A stiff-bristle brush is better suited for cassettes

Lezyne builds its tools and repair components for varied real-world conditions

Chin Ring Nut Wrench Brand_Assos Pairs cleanly over Santini baseThe Bike Hand Chin Ring Nut Wrench is a dedicated workshop tool built for one job tightening or removing chin ring lock nuts with precision and control. Whether you are setting up a new crankset at home in Pune or dialling in a drivetrain before a Western Ghats climb, having the right tool for this specific fastener saves Time, prevents damage, and keeps your bike running correctly. Use Cases Daily training. Reliable use across Indian training