Material type:Silica Gel Batteries included?:No Product Dimensions:1 x 1 x 1 cm; 15.25 Grams Features:1. Made of quality plastic material, which is tough, colorfast, impact resistant and durable.2. Fine processing ensures precision size, makes the protectors not prone to skid off3. Thickened design, increasing the abrasive resistance and durability.4. 1 pair per pack, a bargain for bike lovers, which can provide good protection for crank arm.5. Suitable for most bike crank arms.Specification:Material: PlasticColor Options: Black; Red; Yellow; Blue; GreenInner Width: Approx. 29 mm / 1.14 inchHeight: Approx. 15 mm / 0.59 inchSuitable for: Most crank armsWeight: Approx. 16 gPackage List:1 * Pair of Crank Arm Protectors (2 pcs) About this item [Crank Arm Boots]: Perfect way to protect your carbon crank investment from scratches and dents from pedal strikes [Material]: Made of quality silica gel material, the crank boot protectors are tough, colorfast, impact resistant and durable in using [Easy to Install]: Just remove the pedals and then put on the pedal crank protective cover [Fitment]: The bike crank arm boots protectors are universal for most cranksets, such as mountain bike and road bike; A nice accessory for cycling lovers [100% Satisfaction]: If you have any question about this item, please feel free to contact us, we will help you within 24 hours on weekdays [Crank Arm Boots]: Perfect way to protect your carbon crank investment from scratches and dents from pedal strikes [Material]: Made of quality silica gel material, the crank boot protectors are tough, colorfast, impact resistant and durable in using [Easy to Install]: Just remove the pedals and then put on the pedal crank protective cover [Fitment]: The bike crank arm boots protectors are universal for most cranksets, such as mountain bike and road bike; A nice accessory for cycling lovers [100% Satisfaction]: If you have any question about this item, please feel free to contact us, we will help you within 24 hours on weekdays