About efneo

About company

efneo is a family-run brand that launched a front 3-speed gearbox system that eliminates the need for a front derailleur, and an instant engagement active hub that is said to be totally silent. Efneo’s x3 Gearbox is a planetary gearbox with just one 28-tooth chaining that rotates at different speeds on three different gears. It fits any frame designed for a tapered square axle bottom bracket. Efneo was founded in 2012 and is based in Warsaw.