Hoca/OKO 16×13 QMB139 Roller Weights QMB139 (50cc)
DEPENDING ON STOCK THESE ROLLERS MIGHT COME IN ONE BRAND OR THE OTHER
Hoca Roller Weights size 16×13 for 50cc 4-stroke QMB139 engines. The QMB139 is the most popular 50cc 4-stroke engine found on Chinese scooters.
We recommend starting performance upgrades by changing the variator roller weights first.
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.
Baja SC50, Honda Dio, Honda Elite 50, Honda Ruckus 50 (NPS50), Kymco Filly 50, Panterra Fusion 50cc, Panterra Retro 50cc, Qingqi QM50QT-6V, QMB139 50cc/49cc , SUNL SL50QT-16, Tank Classic 50QT-6, Various unlisted makes/models