High performance electric-human hybrid bicycle
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Article Summary
May 31, 2006 Electric bikes and scooters hold much promise in the future transport equation, particularly for short distance commuting, but one of the limiting factors is their rather sedate speeds and limited range. The Optibike is designed to overcome these obvious deficiencies with a range of 25 to 30 miles (40 to 48 km) and very clever microprocessor-controlled electronics and Shimano XT 7 speed Derailleur gears which enable the motor to be assisted by the rider at all speeds. This means the Optibike will run at 20 mph (32 km/h) on the battery alone, cruise at 25 mph (40km/h) with gentle pedalling and with some aggressive pedal assistance, run with the traffic at 35+ mph (60 km/h). For those who are prepared to settle for a shorter battery life of 30 minutes, the Optibike can have its top speed increased to 46 mph (75 km/h).
