The Shimano SM-RT64 is a high-performance Center Lock disc brake rotor designed to provide powerful and consistent stopping power across all riding conditions. Its 140mm diameter is optimized for road and cross-country applications where heat management and weight savings are key. The integrated Center Lock mounting system simplifies maintenance, allowing for rapid installation and removal using a standard spline mount and lockring.

Engineered for versatility, the SM-RT64 is fully compatible with both resin and metal brake pads, giving riders the freedom to choose their preferred braking feel and durability level. This specific model includes an external-type rotor lockring, making it compatible with a wider range of hub axle standards, including many thru-axle setups. Its sturdy steel construction ensures a long service life and reliable performance under heavy braking loads.

Quick Facts

Feature	Specification
Rotor Diameter	140mm
Mounting Type	Center Lock
Lockring Style	External (Included)
Pad Compatibility	Resin and Metal
Material	Stainless Steel
Model Number	SM-RT64-SS