Product Description

Please measure your crankshaft for proper size
Manufacturer: ( made is USA)
Finally a centrifugal clutch made for your motorized bike project, 5/8″ bore common on 2hp engines, 3/4″ common on 5-7hp engines.
5/8″ or 3/4″ center bore with 3/16″ key way
10 Tooth sprocket
Works with 410 and 415 chain 1/2″ pitch
Comes with key, 2-set screws, mounting bolt and washers