Cassette Lockring Tool with 5mm Guide Pin Sleep Bontrager's patented "No-Cut-Strut" bicycle fenders

Bontrager's patented "No-Cut-Strut" bicycle fenders allow quick and simple installation to keep you dry and your bike clean

Safety innovations like Koroyd and MIPS provide energy-absorbing impact protection so you have the confidence to get aggressive on the trail

It delivers the same legendary performance you expect from the Black Hole bags

Dissolves easily in any type of water

Traditional methods have involved using 2-3 different solvents and rinse steps

Cassette Lockring Tool with 5mm Guide Pin Sleep Bontrager's patented "No-Cut-Strut" bicycle fendersHeat treated alloy tool steel, one inch base fits wrench or bench vise. Thin wall construction allows use without removal of cones and locknuts. The FR 5. 2G has 12 splines that are approximately 23. 4mm across.