Thread: smaller spur/final drive ratio
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Old 28-02-2011
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4_cell_racer 4_cell_racer is offline
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I've read you can modify a B4 spur (by drilling/reaming out the centre to fit the Rat's layshaft) but that also means buying the slipper pads as well.

Also read that the FDR is the same as the B4 (2.6:1 I think?)
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