Shimano, SM-RT66, 180mm, ISO 6B, ESMRT66M

The RT66 rotor offers excellent performance using the 6-bolt international standard mounting system. The stainless steel braking surface's unique shape and vents keep things cool under extreme conditions and help keep the pads free from dirt and debris.

• 6-Bolt Design
• Stainless Steel
• 6 rotor bolts included