Performance Variator Kit for QMB139 engines, Honda Ruckus and many other makes and models.
Roller Weight Size: 16x13mm (8g)
Variator Outer Diameter: 89mm
Boss Inner Diameter: 14mm
Boss Outer Dimater: 20mm
Boss Length: 39mm
Honda Ruckus 50 (NPS50), QMB139 50cc/49cc , Various unlisted makes/models