Shimano BR-R451 Rear Mid-Reach Road Caliper Black MFPN=PK-5 DT Swiss 350 hubs are

DT Swiss 350 hubs are smooth reliable and easy to service

} CNC machined aluminum dispenser with brass internals

Diameter 650B Brand Velocity Model A23 ISO 584 ID Width 18 Width OD 23 Profile 19

Adjustable Reach Yes Brake Caliper Type Flat Mount Brake Lever Actuation Hydraulic Brake Lever Use Left Color Gray Hydraulic Hose Length 950 Adjustable Contact Point No Hydraulic Fluid Type DOT Rotor Included No Pad Compound Organic

Defined Color Black TPI 26 Weight 795 Tire Type Clincher Tire Intended Use Touring-Hybrid Color Black Designed for ebike Yes Tire Diameter 700c Tire Bead Wire Labeled Size 700 x 40 Flat Protection Tread ISO Width (mm) 42 ISO Diameter 622 / Road / 29"

Shimano BR-R451 Rear Mid-Reach Road Caliper Black MFPN=PK-5 DT Swiss 350 hubs areShimano BR R451 Road Brake CalipersCompatible with STI and brake levers that are Super SLR enabled (e. g. Dura Ace Di2 7970 Dura Ace 7900 Ultegra Di2 6770 Ultegra 6700 105 5700 Tiagra 4600) Light action and accurate brake power Adjustable toe in brake shoes Use of these calipers with standard SLR enabled STI and brake levers results in a "mushy" brake response Brake Lever Actuation Short Pull Super SLR Pad Type Cartridge Brake Position Rear Brake