Efneo’s. 3-speed front bicycle gearbox. Polish Start-Up

Efneo’s. 3-speed front bicycle gearbox. Polish Start-Up investment website: Lingvo24 Translation agency GTRO Gearbox 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.