Shimano 180mm Centre lock Rotor

• Shimano SM-RT20 rotors offer secure and easy set-up with the proven Centre-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
• Comes complete with steel lockring
• For use with resin pad only