Suitable for: Commuting, touring, mountain and trails. The Australian-designed Dyson Hard Tail Evo has evolved further into the Hard Tail Evo Rail Trail, Commuter or RTC. Based on the popular 15Ah battery version of the Hard Tail Evo, the RTC has kept the popular features of the original while adding sturdy features such as strong extruded aluminium mud guards, integrated lights and a quality rear rack. Electric Drive System Motor: Dapu 250 watt / 50 Nm, brushless Sensor/drive: Pedal assist cadence drive with 7 power/speed settings Display Unit: Back lit LCD with USB Charging port Battery: Panasonic Lithium-ion 540 Wh Range: 50-90 kms distance per charge Charger: Max charge time 6-8 hours Bike Weight: 23.2 kg including battery (3.6 kg) Frame, Wheels & Components Frame: Aluminum 6061 Frame Size: Suitable for people under 180 cm tall Front Forks: Suntour XCM 30 27.5-inch compatible, adjustable with lock out Tyres: Kenda 27.5 x 2.1 filled with 'Slime' tyre sealant Rims: 27.5" Alex Brakes: Tektro - 180mm disc rotor Hydraulic with alloy levers featuring integrated power cut outs Gears: 9 speed Shimano Alivio with Shimano HG cassette 11-32T, Single 46T Front Chain wheel Fitted Accessories: Integrated lighting to front and rear mudguards and rack, centre mount kickstand.