ITEM NAME:Chain Guide Slider Roller Set for Yamaha YFZ450 2004-2013 5TG221510000 Description: Perfect Fitment, directly replacement Made of high quality material, reliable quality and durable. Meet the quality standards, 100% tested before.1 x Swing Arm Guard Roller (Replaces OEM Part# 5TG-22151-00-00). 2 x Upper/Lower Rollers (Replaces OEM Part# 2HH-22-178-00-00).