15x12 Performance Roller Weights. Minarelli, 50cc 2-stroke 1PE40QMB Performance Roller Weights. We recommend starting performance upgrades by changing the variator roller weights before engaging in any performance upgrades. Heavier roller weights= A slower take off speed with more acceleration and a higher top speed. Lighter roller weights = A faster take off speed with less acceleration and lower top speed. Please see our Warranty & Returns Policy.
- Roller Diameter: 15mm
- Roller Width: 12mm
40QMB 50cc 2-stroke, Peugeot, SYM, Kymco, Piaggio, Jalon Jetstar 18, TGB, Vento Zip R3i, Eton
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