The 5DEV Centerlock Rotor Lockring is a lightweight, CNC-machined lockring designed for tight-clearance disc brake setups. Made from titanium with a stainless steel shim washer, it provides secure rotor retention at just 9 grams. The slim internal spline design allows use with cassette-style lockring tools and fits both 12mm thru axle and quick-release hubs across road, gravel, bmx and mountain bikes.
- Ultra lightweight at only 9 grams
- 40mm outside diameter
- Compatible with rotors up to 220mm
- Internally spline with a 40nm torque spec