Flywheel; CSC go., 139QMB Scooters 45L but you lose top end

but you lose top end speed

Confirmed Fitment

For example a 1000rpm spring will go into a higher gear sooner than a 2000rpm spring

Genuine Stella 2T/4T (LML) Vespa 90 (V9A) Vespa 100 Sport (V9B) Vespa Primavera 125 (VMA) Vespa GT/GTR (VNL) Vespa 150 Sprint (VLB) Vespa Super Sport 180 (VSC) Vespa 125 Super (VMC) Vespa 150 (VBA) Vespa 150 (VBB) Vespa 150 Super (VBC) Vespa Rally 180 (VSD) Vespa Rally 200 (VSE) Vespa P/PX 200E (VSX) Vespa P/PX 150 (VLX) Vespa P/PX 125 (VNX) Vespa 50 (V5A) Vespa 125 (VNA/VNB) Vespa GS160 (VSB) Vespa 50 Special (V5B) Vespa GL150 (VLA) Vespa ET3 125 (VMB)  About Scooterworks: Since our beginning in 1989

Spline count: 18

Flywheel; CSC go., 139QMB Scooters 45L but you lose top endThis flywheel replaces stock equipment on CSC go. scooters, Genuine Bella Classic 50, Pug 50, and Nitro Sport scooters and bikes running 139QMB engines. Original Parts For Scooters SKU 151 138 Specifications: 8 Magnets Inside Mounting Hole has a Cut out Keyway Inner Diameter: 90mm Outer Diameter: 110mm Thread Size: M24x1. 00 Does not include stator Compatibility: CSC go Genuine Bella Classic 50 Genuine Nitro Sport 50 Genuine Pug 50 139QMB based 50cc