Complete Clutch and Bell Assembly; CSC go., 139QMB Scooters Roughhouse No Returns Allowed*

No Returns Allowed*

Internal Diameter (ID): 125mm

and 169cc big-bore GY6 engines (157QMJ / 152QMI)

Tech Tip: Pair with NCY Performance Valve Springs rated for 11

Max Load: 429 lbs @ 33 PSI

Complete Clutch and Bell Assembly; CSC go., 139QMB Scooters Roughhouse No Returns Allowed*Complete clutch and bell assembly for for Chicago Scooter Company go, go MAX, Pug 50, Nitro Sport 50, Bella Classic 50 and 50cc 139QMB bikes. Specifications: Includes pulley, clutch and bell Outer diameter (bell): 115mm Bell inner diameter: 11mm Number of splines: 22 Compatibility: CSC Bella Classic 50 CSC Nitro Sport 50 CSC Pug 50 CSC go CSC go MAX 139QMB based 50cc 80cc engines with the following engine codes: 139QMA 139QMB 1P39QMB 1P39QMA 2