Polisport 75-815-14K Disc & Bottom Fork Guard Protectors Black for Honda CRF 250R/450R 15-24/CRF 450X 17-24High impact and abrasion resistant plastic guards Complete protection of the brake disc and bottom fork guard Easy and quickly installed. No need to disassemble the wheel Perfect protection from rocks and roost Extended protection. Also guards the brake caliper Accepts oversized brake discs up to 295mm Air intakes to cool Brake Disc Disc Protector only works together with Bottom Fork Guard Bottom Fork Guards can be used separately (Sold Separately)