These cassettes are for those with an XD Driver

Storage: Folds away

Still got questions

or suspension fork

and the mounts on the underside of the shell allow for the fitment of PRO's aftermarket accessories such as tools

Lezyne Ratchet Drive With Case PLP|Model Year These cassettes are for thoseDurable and compact chrome plated ratchet tool designed for bicycles. Fine tooth ratchet with reversing lever and a fixed opening on the opposite end. Tool selection optimized for road, gravel and mountain bikes. Super hard CRV (chrome vanadium) bits. Custom, machined aluminium extension adapter with laser etched logo. Integrated magnet holds tool bits in place. Ratchet Kit comes in a compact, soft shell carrying case. Who's this item for: Riders