Durable Carbon Bottom Bracket Protector Sticker Guard for Brompton Folding Bike Carbon BB Frame Protection Pad Description: product description Bottom bracket protector to prevent the rear wheel and bottom bracket from being worn when folded installation steps: 1. Clean the bike 2. Put the sticker on the frame . 3. Put the protective cover on the sticker. Notice : 1. Due to different displays and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thanks! 2. Due to manual measurement, please allow 1-3mm measurement deviation. Specifications: Bike Bottom Bracket Sticker Protector for Brompton Folding Bike, Carbon Fiber BB Frame Protector Features: 3D, 1/2 Round, Bottom Bracket Protector with Sticker. Prevents rear wheel and bottom bracket wear when folded. Specification: Material: carbon fiber Features: Durable Color: black, silver, color Product size: 70X30X30mm/2.76X1.18X1.18" Package Included: 1* Bottom bracket protector