Size: The chain guard measures 23.4 cm long and 5 cm wide. Please measure your bike before purchasing. Universal: The chain guard fits all types of bikes, including road bikes and mountain bikes. Function: The chain guard reduces the impact on the chain and frame, providing better protection for both. Good Adhesion: The chain protector is easy to apply and has good adhesion. Durable and Strong: The chain guard is made of silicone, which is soft and flexible, extremely weather-resistant, and not easily broken. This silicone chain guard for the rear fork, a chain guard for road bikes, protects your bike frame from scratches. Advantages: Strong materials, easy to install, robust and reliable. Function: Chain protector. Material: Silicone. Color: Black. Applicable to all models. Features: 1. The airbag protects the chain from impacts and protects the original frame paint without leaving adhesive residue or causing deformation. 2. Designed following the chain-link pattern of the frame, it can wrap around the lower triangular surface of the frame to fully protect it. 3. The 3D textured sticker conforms to the curved surface and effectively protects the frame from scratches, water, sand, and UV rays.