Get the best for your Modern or Retro-Bike. Developed for optimum performance & a sporty image. * Reservoir with a bladder for smoother linear movement & better cooling * Better precision: calibrated Teflon coated DU Bushes & heat treated hard chrome shafts * Heat Treated Hard Chrome Low Friction Shaft * Long Life Seal Block, Bearing & Bushes Article: YSS Rear twin shock Gas