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Pulley / Union Material — Taiwan
compared to OEM battery)
Yup 50 (02-06 R)
ISO 9001 certified since 1997
Quad MXER 50
SSP-G 16x13 QMB139 Roller Weight Tuning Kit Legshield Trim Pulley / Union Material —Fine tune your CVT variator with precision using the SSP G 16x13 Roller Weight Tuning Kit, designed specifically for 50cc 4 stroke QMB139 engines. Instead of buying individual roller sets one at a time, this all in one kit gives you 12 complete weight options from 3g to 14g so you can dial in the perfect setup for your riding style and engine configuration. Roller diameter: 16mm Roller width: 13mm Includes 3 piece sets of: 3g, 4g, 5g, 6g, 7g, 8g, 9g,
