Shimano BR-R451 Front Mid-Reach Road Caliper Silver MFPN=V2C9.1-170-50-2915BR which adds unneeded friction and

which adds unneeded friction and stress on the bearings

Valve stem included Model XC Single Size 29" Tire W 1

Centerlock hub Rear Axle 12mm Thru x 142mm Rim Width (Internal) 21 Cassette Body Type Shimano HG 11/12-Speed Road Valve Presta Color Black Wheel Size 700c Defined Color Black ISO Diameter 622 / Road / 29" Tire Type Tubeless Ready Clincher Hub/Brake Compatibility Center-Lock Disc

Pad Compound Organic Defined Color Black Brake Lever Use Right Brake Lever Actuation Hydraulic Color Black Brake Caliper Mount Flat Mount Rotor Included No Includes Brake Disc Hydraulic Hose Length 1800 Hydraulic Fluid Type DOT Rear Der/Shifter Compatibility SRAM Exact Actuation Drivetrain Speeds 11 Weight 378 Front Der/Shifter Compatibility SRAM Road Adjustable Contact Point No Adjustable Reach Yes

Color Stone Primary Color Grey Size L

Shimano BR-R451 Front Mid-Reach Road Caliper Silver MFPN=V2C9.1-170-50-2915BR which adds unneeded friction andShimano 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 Front Brake