Our #420 chain - 14 tooth front sprocket made for pit bikes, dirt bikes, and ATVs may be used on a variety of models with 50cc, 70cc, 90c, 110cc, and 125cc. This 2-3/4" sprocket uses a splined 17 mm" shaft bore and two 6 mm threaded (M6-10) mounting holes. The holes are 1-3/16" apart. For more technical data, please refer to the Specifications below.
Specifications
Diameter: 2-3/8"
Thickness: 1/4"
Tooth count: 14
Bore (across spline grooves): 17 mm
Bore (across lands): 14 mm
Mounting hole thread: M6-10
Mounting hole distance: 1-3/16" apart
Weight: 4 ozs. (.25 lb.)
