Are you like most people that really don’t like all the hassles and problems associated with a front derailleur? Now you have an alternative.
Efneo’s GTRO 3-speed front gearbox is perfect for trekking, hybrid, urban, single speed, city and folding bikes as well as for off road non-competition bikes and e-bikes.
“It’s a clever and cool project that might be interesting if you’re into bikes, cleverness or coolness.”