GoldenMotor.com Forum
General Category => General Discussions => Topic started by: bernix on August 09, 2008, 01:20:31 PM
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hello everybody
on rear wheel hub motor
what is the norme for freewheel
ISO 1.375" x 24 tpi
British 1.370 x 24 tpi
French 34,7mm x 1mm
Italian 35mm x 24 tpi
Metric BMX 30mm x 1mm
thank for your answer