M Part Single ring XC chain device - Black
- A chainguide designed to be used on a single front chain ring and with either a 9 or 10-speed cassette at the rear
- Ditch your front mech and shifter for a huge weight saving! 1x10 is the future.
- Extremely light
- CNC machined from ultra stiff aluminium
- Front chainring range of 32T- 42T
- Stealth black