Shimano Q’Auto is a new automatic-shifting system powered by a dynamo incorporated into a new rear hub that integrates with the brand’s Cues derailleurs. Crucially, compared to existing Shimano Di2 ...
Hub gear benefits are well-known to winter commuters. No more frequent maintenance to clear out 'mud glue' from your derailleur and instant changing (in theory at least) into any gear you want, ...