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Old 05-09-2010, 09:21 AM
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Russell Russell is offline
Motorized Bicycle Elite Member
Join Date: Apr 2009
Location: MA
Posts: 1,144
Default Re: Mechanical speedometer

Although the gear assy is 1/4 to 3/8 wide, it only takes up aprox .040 of tha axle.(about 3 threads)
If you don't have 3 threads to spare, your axle is already two short.


This is assuming you are installing the cheap mechanical speedo. Although I assume this is the case for all mech speedometers.
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