In combining a belt drive with a gravel bike, Priority Bicycles has put a smart idea into action with the Priority Gemini Smart.Shift. The execution is mostly there, although the Gemini is perhaps ...
My worry about serviceability goes back to 3-sp Sturmey-Archer with a thumb-flip switcher (just keep it full of oil and pay the bike shop to do anything more serious), and the 2-sp Bendix built into a ...