The Tree Bike Co. Bolt Drive Lite Sprocket is built from 7075 T6 Aluminum, it super light weight and durable. Built to work with 22mm spindles but includes an adapter for 19mm spindles as well.
- 5/16" thick 7075 T6 CNC machined aluminum
- 22mm hole w/ steel adapter for 3/4"(19mm) spindles
- 1/8" wide teeth
- Anti-loosen bolt drive hole
- 28t: 2.7oz/76g