NCY Transmission Power Pack for 125cc Yamaha Vino, Zuma (BWS) INCLUDES: Ultralight gold teflon coated overdrive variator Ultralight outer drive face Ultralight large shoe racing clutch UlltraLight drilled & vented clutch bell Dual range secondary slider Roller weights Compression spring Ball bearing compression spring seat COMPATIBILITY: Vino 125 Zuma (BWS) 125 This Super Trans Kit is one of the best dollar-for-dollar bolt-ons to improve your bike! Quicker acceleration, higher top speeds, and makes your CVT the smoothest operating trans around! From rapid down shifting to slow cruising, this thing is smooooth. Ultralight balanced components, oversized wear pads, and state of the art Teflon coatings ensure superior performance and long service life. Recommendations: Use a new belt and graphite or Moly grease when assembling. **