Shimano BR-R451 Front Mid-Reach Road Caliper Silver MFPN=213236-030L4N78 Q-Factor: 167 Number of Chainrings

Q-Factor: 167 Number of Chainrings No Rings Included Drive Side Compatibility Right Hand Drive Chainring BCD 104 Chainrings Included No Color Black BB/Frame Interface English Crankset Style 2-Piece BB Style Euro Crank Length (mm) 170 Weight 729 BB Included Yes Crank Arm Material Aluminum Spindle Material Aluminum Defined Color Black Bore 24mm Crank Length 170Mm

Folding T-handle with Kraton grip provides better leverage and comfort while pumping

The brake works completely detached from the rollerski

Replacement levers pivots and bushings for Hayes hydraulic disc levers

Fits multitool and spare MTB tube

Shimano BR-R451 Front Mid-Reach Road Caliper Silver MFPN=213236-030L4N78 Q-Factor: 167 Number of ChainringsShimano 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