glass reinforced thermoplastic

Designed for maximum ride quality with a 31

They hold onto the bars better than any other non lock on grip too

This convenient kit features everything you need to fix flats and other basic trailside repairs

Materials: It's made from a specifically designed and formulated closed-cell foam

Wolf Tooth Boostinator Hub Adaptors - HF - Front Envelope Shipping glass reinforced thermoplasticJust got a Boost Frame or Fork and need to get your standard hubs to fit? Enter the Boostinator! CNC Machined In the USA from 6061 Aluminium and anodized to ensure longevity, the Boostinator allows non Boost wheels to be mounted in Boost frames and forks while allowing brakes and derailleurs to function as designed. Once you've installed your Boostinator generally about 5 minutes, you'll need to re dish your wheel which will improve the spoke bracing