Product Review

Performance 4 Gram Roller Weights 16X13 GY6 50 139QMB 49cc 50cc Scooter Moped Jonway
Roller Size:16mm(outer dia) 13mm(height) Single Roller
Weight: 4 Gram Package: 1set, 6 Pcs
For GY6 50CC Engine we have 4g, 4.5g, 5g, 5.5g, 6g, 7g weight.Please click the number to see compatible ads.
About Weight of Roller:
Lighter rollers weights require higher RPMs to push the rollers outward through centrifugal force and begin changing your CVT's gear ratio.
Heavier roller weights need lower RPMs to begin changing gear ratios.
Lighter roller weights = faster take-off acceleration, bigger strength, but lower top speed.
Heavier roller weights = slower take-off acceleration, higher top speed.