? 19×15,5 mmProduct description2005 MHR Version of the well-known Overrange Kits from MALOSSI. Italy??s Tuning-company No. 1 pushes the limit with this new version.The kit contains this:Rear converter discs (fixed and loose half)/Spring/MHR Variator/Flywheel and Oversize belt.The larger converter optimizes the working range and thus the acceleration of your scooter. Further new vario weights (19×15,5) for quiet engine run and easy setup.-Tipp: the kit will fit only new MINARELLI engines with 3-plate clutch and/or clutch bell with ?=107mmOEM numbers (for comparisons):6112812 (MALOSSI)EAN Number:42602678108031