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Camera 16x1.75/2.125 Bicycle valve butyl 33 mm 112 grams. Made of butyl butyl rubber has excellent waterproofing, and the long polyisobutylene segments of its polymer chains give it good bending properties. Bike/Fina/Lender/French
Camera 16x1.75/2.125 Bicycle valve butyl 33 mm 112 grams. Made of butyl butyl rubber has excellent waterproofing, and the long polyisobutylene segments of its polymer chains give it good bending properties. Bike/Fina/Lender/French