NCY Rollers (16×13); QMB139, Tao Tao, CSC Go.

NCY Roller weights 16×13 for Compatible with Ruckus, Genuine Buddy 50, Genuine Roughhouse 50, and many popular 139QMB powered Chinese scooters.For those of you unfamiliar with roller weights, they are an important tuning device and have a significant impact on your scooter’s performance!They should be checked/changed every 1000 miles (per maintenance schedule) to keep your scooter running tops. Over time, roller weights will develop flat spots which will impair the performance of your scooter.A good indication that your rollers are worn is increasingly high revs for a given speed and/or decreased top speed. Replacing worn rollers with this set will restore and actually improve your low-end power and especially your top speed. Fuel efficiency will also improve dramatically!
Specifications:
Diameter: 16mm
Width: 13mm
Weight: Select menu options 5g, 6g, 7g, 8g, or 9g
Compatibility:
Genuine Buddy 50
Genuine Roughhouse 50
Genuine Rattler 50
Genuine Black Cat 50
Compatible with Yamaha Zuma 50
Compatible with Yamaha Vino 50
Compatible with Yamaha Jog 50
Compatible with Honda Compatible with Ruckus 50
Compatible with Honda Elite 50
Compatible with Honda Metropolitan 50 (Pre-2011)
Compatible with Honda Dio 50 – Dio 1 AF25
Compatible with Honda Dio 50 – Dio 2 AF27
Compatible with Honda Dio 50 – Dio 2 AF28
139QMB / GY6 50cc motors
Also fits the following popular 50cc Chinese-produced engines with engine serial numbers: 139QMA , 139QMB , 1P39QMB , 1P39QMA , 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, LJ139QMB as well as 147QMD (GY6 80cc) About NCY: NCY stands as the premier provider of aftermarket performance components for leading scooter brands such as Compatible with Honda, Compatible with Yamaha, Genuine, Vespa, Piaggio, SYM, Lance, KYMCO, and GY6/QMB powered scooters. Established in 1997, NCY adheres to rigorous quality standards and holds ISO 9001 certification. NCY performance parts are made in Taiwan.WARNING: California’s Proposition 65