I had a similar gear on a road frame conversion (53/20) and got creaking from the BB/Crank area. Happened on the flat too, but was worse on hills. I reckoned it was the BB needing tightening/new bearings/replacing, but changed frame recently so haven't bothered fixing it.
I had a similar gear on a road frame conversion (53/20) and got creaking from the BB/Crank area. Happened on the flat too, but was worse on hills. I reckoned it was the BB needing tightening/new bearings/replacing, but changed frame recently so haven't bothered fixing it.