ODI Fusion Throttle Tube System Options:H70FRP creating a natural Rider Attack K 225687 creating a natural Rider Attack Position (RAP™) for an improved ergonomic fit on the bike 690 ENDURO R 12 18 ZE56 6810 19 22 ZE56 6820 690 SMC R 12 18 ZE56 6810 19 22 ZE56 6820 790 ADV 19 22 ZE56 6820 790 ADV R 19 22 ZE56 6820 890 ADV 21 22 ZE56 6820 890 ADV R 21 22 ZE56 6820 1090 ADV 17 18 ZE56 6820 1090 ADV R 17 19 ZE56 6820 1190 ADV 14 16 ZE56 6820 1190 ADV R 14 16 ZE56 6820 1290 S ADV R 17 22 ZE56 6820 1290 S ADV S 17 20 ZE56 6820 HUSQVARNA The Plastic Fusion Throttle Tube is a direct OE replacement that fits majority of all larger MX race bikes Constructed of are proprietary plastic compound combined with a nylon snap cam