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#P3372
Rear drive sprocket commonly found on Derbi senda 05>, Aprilia RS50 06>, RS4, RX 11> & SX 50cc
6 bolt holes evenly placed.
Internal diameter = 108mm
Hole to hole distance = 123mm
Stud hole diameter = 6.5mm
Pitch: 420
Choose from either 48T or 52T.
*Please compare with your old sprocket.
A smaller rear sprocket (than standard) on the rear will increase the gearing (more top speed), but make sure you have enough power to pull the gearing.
