Triple Tree Assembly; CSC go., 139QMB Scooters vee NCY Ultralight Drive Face: Reduced

NCY Ultralight Drive Face: Reduced rotational mass for faster RPM pickup and improved throttle response

Optimized Field of Vision: The 4

These cylinders are more modern versions of the 2-port Vespa Sprint 150cc cylinders and make great performance upgrades for ALL 2-port rotary valve models

Compatibility: Vespa 150 (VBB2) and the following models (*may need wiring modifications to work)

This cast iron kit is set up for more power in the higher RPMs

Triple Tree Assembly; CSC go., 139QMB Scooters vee NCY Ultralight Drive Face: ReducedTriple tree assembly for Chicago Scooter Company go, go MAX, Pug 50, Nitro Sport 50, Bella Classic 50 and 50cc 139QMB bikes. Specifications: Overall dimensions: 17. 5"L x 8. 5"W x 3"H Tube ID: 23. 3mm Bolt hole ID: 24. 4mm Compatibility: CSC Bella Classic 50 CSC Nitro Sport 50 CSC Pug 50 CSC go CSC go MAX 139QMB based 50cc 80cc engines with the following engine codes: 139QMA 139QMB 1P39QMB 1P39QMA 2 YN139QMB JJ1P39QMB 139FMA 2 BD1P39QMB BN139QMB