Shimano Ultegra SM-RT800 Disc Rotor
The Shimano Ultegra SM-RT800 Disc Rotor are available in 140 and 160mm diameters and include a lock ring.
- Disc road rotor that adds powerful stopping in all conditions
- Inner-aluminum core for maximum heat dissipation
- Available in 140 and 160mm options
- Centerlock hub compatible
- Includes lock ring