Shimano SM-RT66 Disc Rotor - 180mm | 6-Bolt Clincher Tire while the durable reinforced base

while the durable reinforced base panel stands up to years of daily use

User-replaceable CR2032 battery with 200-hour life

and rear sections

What are SRAM eTap Blip Shift Buttons

Shimano SM-RT66 Disc Rotor - 180mm | 6-Bolt Clincher Tire while the durable reinforced baseWhat is the Shimano SM RT66 180mm rotor built for? The Shimano SM RT66 Disc Rotor 180mm 6 Bolt is built to deliver consistent, dependable stopping power across SLX and Deore level brake setups in all riding conditions. It uses a one piece stainless steel construction that resists corrosion and holds up to hard, repeated braking, and it ships with Shimano's anti loosen tightening plate so the rotor bolts stay put and installation is quick and secure.