4pcs Bike Crank Protector Crankset Silicone FR AM Crank Arm Boot Covers

Using foodgrade silica gel materials, lowcarbon and environmentally friendly, nontoxic and tasteless. It is soft, non-slip, shock-proof, ht-resistant, oil-resistant and can be used for a time. sy to install and cln, it is not sy to age and fade, so it is very convenient for outdoor use. Item Type: Crank Protector Material: Food Grade Environmentally Friendly Silicone Product Weight: Approx. 45-48g / 1.6-1.7oz Range of Use: Most cranks can be used ( type).