This is a taller track fork to match the 2020 and later Rum Runner frame. Uses 57mm reach road brake and has clearance for 700×32 knobby tires and some 35mm road tires. If you want to run it as a replacement on another track frame, please look into what length fork that frame can handle. Straight CrMo steel blades Fits 57mm reach road calipers Rake: 38mm Axle to crown: 391mm Steerer: 1-1/8″ CrMo threadless, 350mm Fits up to 700x35c tires Matte Black