Austrian manufacturer KTM has unveiled its Freeride electric bikes at the Tokyo Motorcycle Show. Available as either an off-road enduro or a street-orientated supermoto, both versions share the same battery and motor technology. That means a peak 30 horsepower and a top speed of 43 mph (70 km/h). Performance is helped by the two bikes being so diminutive - total all-in weight is only 90 kg, including the battery pack. As with most electric vehicles, it’s the battery that will be so critical to the success of the product. Price, performance, range and recharging time are all directly influenced by it. According to KTM, the Freeride’s 2.5 kWh battery should be good for one hour of off-road riding. After that, it’ll take 90 minutes to fully recharge, although alternatively it can simply be swapped over for another one - assuming the rider can afford the cost of a spare. KTM is planning to commence European Freeride sales in spring 2011, with a price expected to be ‘under €10,0...