TM Design Chain Slider TM Design Kettinggeleider Extra STRONG and last much LONGER than Stock !!HONDACRF250 18-19CRF450 17-18- Replace that thin fast wearing expensive stock part.- Our new slider has a improved thickness to last longer and control chain. - Oil additive reduces drag for power and our plastic is only one with UV protection.- Bolts on and uses stock hardware.- Tested with Team Honda and Smart top Honda for the ultimate performance.- A must have for your Honda 450 for all models in 2019.Kettingstrip, Chain GuideTM DESIGN Partnumber DCS-H30-BK