RaceFace Crank Boots: For Alloy Cranks 2-Pack Green CheckoutTitle=Vittoria Mazza Enduro Race Tire - 29 x 2.40 Professional grade derailleur built with

Professional grade derailleur built with carbon fiber and aluminum featuring roller clutch pulley cage and cage lock feature for easy wheel installation

Not compatible with Fox 38 with oval steerer

Tooth Count 42 Ring Position/Type Outer Drivetrain Speeds 10 Chainring BCD 120 Color Black Defined Color Black Material Aluminum

Quick and easy to install and remove

37 Defined Color Orange Spindle Interface Type Shimano Hollowtech II Spindle Interface Type RaceFace EXI Spindle Interface Type FSA MegaExo Weight 105

RaceFace Crank Boots: For Alloy Cranks 2-Pack Green CheckoutTitle=Vittoria Mazza Enduro Race Tire - 29 x 2.40 Professional grade derailleur built withRaceFace Crank Boots: For Alloy Cranks 2 Pack Green. Race Face Crank Boot protects the crank arm from rocks and debris