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03-28-2017, 01:50 AM
Thread: Zongshen 167FMM and 169FMM crankshafts
by axa- Replies
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Re: Zongshen 167FMM and 169FMM crankshafts
as i and many before us have found , significant power gain is usually achieved with a different bike entirely.
I just don't see how one could get the parts and spend the time experimenting to see... -
03-25-2017, 11:31 AM
Thread: Zongshen 167FMM and 169FMM crankshafts
by axa- Replies
- 4
- Views
- 10,066
Re: Zongshen 167FMM and 169FMM crankshafts
strictly speaking about the stroke, which is 65mm on a167FMM, when I decked my head I calculated a static CR from 9 to 10.5 with only a 50 mill shave. 2.5 mm would be more like 13 CR which doesn't...
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