View Full Version : Can F4R rods be used in and F7R ??
F4R Crank bore size is 1mm different vs F7R
Do you just use F4R Bearings? are they >5mm thicker (1mm total either side)
Anyone using them ?
sideways danny
19-01-2011, 15:51
They're the same dimensions, the only fitment difference is F4R rods dont have a slot for an alignment tab
On the Wossner website i state the crank OD is 1mm different...
On the Wossner website i state the crank OD is 1mm different...
PEC rods sorry it states 51.6 for the F4R and 50.6mm for the F7R
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