Shimano SM-RT66 Disc Rotor - 203mm | 6-Bolt Seatpost Clamps and accessory mounting points across

and accessory mounting points across every bike type

The 11-32T ratio is well suited to moderate terrain where a tighter gear range delivers better overall cadence control

this is the pizza cutter for people who geek out on bikes and good food in equal measure

letting you drive fasteners that would be awkward or impossible to reach with a straight hex key at a perpendicular angle

A bent rotor causes brake rub

Shimano SM-RT66 Disc Rotor - 203mm | 6-Bolt Seatpost Clamps and accessory mounting points acrossWhen Does the Shimano SM RT66 203mm Make Sense for Trail Riding? The Shimano SM RT66 is the SLX M7000 series 6 bolt disc brake rotor, built for consistent stopping power in all riding conditions with an anti loosen plate construction that locks the six rotor bolts securely in place and prevents them from backing out under vibration and repeated braking load. Unlike the SM RT56 which is restricted to resin pads, the SM RT66 is resin and metal pad