Single Chainring conversion.

[Trevrev]

104bcd and options from 40-52t - https://www.ebay.co.uk/itm/104mm-BC...hainwheel-Cycling-Bicycle-40-52T/173007962288

That's unreal! I've been looking high and low ffor 104 48t narrow / wide. I'd given up hope. That's a link I'm definately keeping. Thank you mcshroom.