Aug 15, 2026 | e-Bikes, Electric Vehicles
The derailleur has survived every attempt to replace it for a hundred years, and it has survived for a good reason: a bent piece of aluminium hanging off the back of a bike is lighter, cheaper and more efficient than anything else that changes gear. Hub gears lost on...
Aug 15, 2026 | Battery Technology, e-Bikes, Electric Vehicles
A Porsche Taycan Turbo S carries its energy at about 148 watt-hours per kilogram of battery pack. A Tesla Model 3 manages 171. The e-bike battery Gobao plans to sell in 2027 claims 243. The bicycle wins, and not narrowly. It is not because the bicycle has better cells...
Aug 15, 2026 | Battery Technology, e-Bikes, Electric Vehicles
Gobao brought a drive unit to Eurobike 2026 that deletes the derailleur, and — unusually for this category — brought the whole specification sheet with it. The X1P makes a claimed 150 Nm and 1,500 W peak from a 3.85 kg unit with a stepless 500% gear range, and it is...
