Wolf Tooth Anodized Alloy Chainring Bolts - Black - Set of 4 - 10mm Virtual Parent It has a swivel mount

It has a swivel mount which lets you aim the light to where you want it

Rear light holder

Reinforcement for enhanced durability

Falling under the XT category

Wolf Tooth Anodized Alloy Chainring Bolts - Black - Set of 4 - 10mm Virtual Parent It has a swivel mountWolf Tooth Chainring bolts use a large hex socket on both the bolt (5 mm) and the nut (6 mm). Bolts are 6 mm or 10mm long and have the length laser engraved on the head. These work great with Wolf Tooth or any other brand single chainrings. Designed and manufactured in the USA from 7075 T6 aluminum alloy. 6mm size sold as a set of 4 bolts+nuts for MTB cranks 10mm size is sold as a set of 4 bolts only (no nuts) for threaded 104 x 30T chainring 6mm