Shimano FH-RM66 Freehub Body SmartEVO AS Siped shoulder knobs bite confidently

Siped shoulder knobs bite confidently into off-camber sections while a gradual ramp-up design ensures a smooth predictable transition when leaning into turns

25 Primary Color Black Internal Lock Size Metric 160cm Lock Type Key Bracket No Thickness In mm 10mm

The BBT-RS features an M8 threaded rod and a double-sided adapter nut with M12 and M15 threads allowing it to thread directly into any compatible cartridge bottom bracket

LENGTHS135 - 180 (2

low-friction layer designed to decrease rotational motion to the brain

Shimano FH-RM66 Freehub Body SmartEVO AS Siped shoulder knobs bite confidentlyFreehub Bodies for service and replacement on Shimano hubs.