Learning about the Olympic Games through the "DBS Potato Olympics FRONT FORK SERVICE KIT SHOWA 41mm. K Tech front fork service kits combine NOK oil & dust seals plus guide & slide bushes that are a direct replacement for the original equipment parts. NOK are chosen as original equipment by all Japanese suspension manufacturers for their quality and durability. Included in each kit are the parts below. 2 x Genuine NOK Oil Seals 2 x Genuine NOK Dust Seals 2 x K Tech Guide Bushes 2 x K Tech Slide Bushes