Race Tech Super Slick Fork Bushings - Inner FMBI 43201 P Revolutionary low-friction design ensures high-quality suspension performance Constructed of FEP and tin composite, these Teflon-coated (PTFE) bushings have the lowest friction properties available Inner bushings mount on the inner (chrome) fork tube and have Teflon on the outside of the bushing; outer bushings mount on the outer (aluminum) fork tube and have Teflon on the inside of the bushing Sold in pairs Fork Tube Dia. - 43mm