Shimano BR-R451 Rear Mid-Reach Road Caliper Silver CheckoutSpec= (TBL) Black - 800ml Tooth Count 34 Drivetrain Speeds

Tooth Count 34 Drivetrain Speeds 12 Round or Oval Round Material Aluminum Color Black Defined Color Black Direct Mount Type Direct Mount Hope Teeth Count 34T Mount Type Standard

25 Tubeless Folding Black Performance RaceGuard Double Defense 402 Aluminum Studs

The forged aluminum lever features a reach adjust mechanism

Front QR hub encaps for 1400 Dicut/Spline wheels with 17mm endcaps

aero or round seat post with this quarter-turn mount

Shimano BR-R451 Rear Mid-Reach Road Caliper Silver CheckoutSpec= (TBL) Black - 800ml Tooth Count 34 Drivetrain SpeedsShimano 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