Naraku 107mm Clutch Bell for 50cc QMB139 engines. Also fits Genuine Buddy/Roughhouse 50, Honda Elite 50, Kymco Agility/People/Super 8/Super 9/Vitality 50, Piaggio Fly/Typhoon 50, Vespa ET2/LX50/Sprint 50, and many other scooters that have 22 splines and a 107mm clutch.

• Number of Splines: 22
• Spline Inner Diameter (peak to peak): 11.10mm