![NCY Clutch Bell; QMB139](http://primoscootercompany.com/cdn/shop/products/1200-1054_{width}x.jpg?v=1602126214)
Clutch housings are often overlooked when looking for extra power. Light weight housings allow for quicker acceleration and more efficient cooling. This housing is a perfect upgrade for any bike, stock or dragster!
Through constant research NCY continues to bring design concepts to the CVT transmission that are unmatched by any others.
*Textured for better initial bite.
*Cross drilled for heat dispersion and debris extraction.
*Ultra-efficient cooling properties.
For use on all QMB139 engines.
Specs
Outer Diameter: 115 mm
Inner Diameter: 12 mm
Spline Count: 22