Shimano DURA-ACE Hydraulic Disc Brake Caliper WH SHIMANO's SM-RT66 6-bolt disc brake

SHIMANO's SM-RT66 6-bolt disc brake rotors deliver consistent stopping power in all riding conditions

• Recommended Cassette: CS-R8000 11/30T

but will fit anyone with a head measuring 50–54 cm

- Steel gear_QTY (pcs) 8

Whether you’re remounting during the cross race

Shimano DURA-ACE Hydraulic Disc Brake Caliper WH SHIMANO's SM-RT66 6-bolt disc brakeWith an all new design, DURA ACE BR R9270 hydraulic calipers are our most compact yet. MONO BODY construction ensures light weight and rigidity, proving that good things can come in small packages. With an all new MONO BODY construction design, high performance braking has reached a new peak. The BR R9270 caliper drops weight while also providing increased pad clearance, ensuring a quieter ride. Lastly, a new bleeding process makes maintenance easier