10 Tooth Drive Sprocket, Left Side Part for 2-stroke Motorized Bicycle Engine
10 Tooth Drive Sprocket, Part for 2-stroke Motorized Bicycle Engine Left Side
This 10 tooth sprocket fits 49cc
and 66/80cc 2 stroke bicycle engines.
With this narrower sprocket you can use a
BMX chain (410 chain), regular bicycle chain
or standard kit chain (415)
Center hole is 14.57mm,.56inch.
The slot for the woodruff key is approximately
2.5mm (Woodruff Key Not Included).