Shimano SM-RT64 rotors offer secure and easy set-up with the proven Center Lock mounting system
Precision cut stainless steel braking surface improves pad clearing in muddy conditions while aiding cooling under high load
Rotor contact surface has been developed for excellent pad clearing and cooling which increases pad performance and life
Alloy spider supports rotor surface, increasing rigidity and reducing weight
Rotor houses the magnet necessary for speed sensor function on Shimano STEPS equipped E-bikes allowing frame clearance for wider tyres
Comes complete with lockring