| 2PCS SRAM Crank Arm Boot Guard XX1 X01 Mountain Bike Crank Protector Cover Bike Crank Protector Cover Product: Bicycle Crank Protect Cover Brand: SRAM Colour: Black Quantity: 2 pcs Material: Rubber SRAM crank boots are for carbon cranks. Protects the crank arm from pedal strikes rocks and debris Designed to fit SRAM XX1 X01... more | | $13.99 $11.99 FREE shipping go to store |