Shimano 105 BR-R7170 Road Hydraulic Disc Brake Caliper - Rear Front Front use requires adapter-Sold separately Flat Mount Resin Pad MPFN-KOL-XTRM9100-R The open tread design and

The open tread design and strong outer blocks provide stability when cornering and deliver this G-One the perfect "Bite"

Shimano CN-HG53 9-Speed ChainsHyperglide 9-Speed chain

12x142mm geared dropout also requires purchase of the axle

Springs are included

Shimano 105 BR-R7170 Road Hydraulic Disc Brake Caliper - Rear Front Front use requires adapter-Sold separately Flat Mount Resin Pad MPFN-KOL-XTRM9100-R The open tread design andShimano 105 BR R7170 Road Hydraulic Disc Brake Caliper Rear Flat Mount L03A Resin Pads with Fins. With proven hydraulic braking technology the Shimano 105 BR R7170 caliper features the Shimano Flat Mount System and its low profile design that is ideal for road bikes. More compact and lighter than ever the R7170 brakes offer wide pad clearance for easy wheel removal and quiet performance as well as one way bleeding for easy clean maintenance. 10% wider