Most (All ?) Aluminium crank arms I’ve owned recently have had steel inserts (That presumably sit very slightly proud on the outside / pedal mating face) - so gouging can’t occur. I’ve not suffered any at least…….
Most (All ?) Aluminium crank arms I’ve owned recently have had steel inserts (That presumably sit very slightly proud on the outside / pedal mating face) - so gouging can’t occur. I’ve not suffered any at least…….
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