The Radster Road is a commuter bike built for smooth, everyday rides. Pedal up to 28 MPH, conquer hills with 100 Nm of torque, and secure your ebike with passcode-protected controls. For optimal pavement-performance, it's equipped with narrow tires. For riders 4'11"-5'8" Electronics Battery 15Ah 720 Wh Safe Shield Advanced Semi-Integrated Battery, Samsung 50GB or LG M50LT cells, UL Certified to UL-2271 Charger 48VDC, 2 Amp Rad Power Bikes smart charger, operates on 100V-240V AC power outlets Class Class switchable 1 to 3. Ships in Class 2 status. Display Rad custom color display. See Display section below for details. Hub Motor Rear hub 750W, 100 Nm torqueStated wattage is the manufacturer’s rated power capacity. Actual power-to-ground wattage is under 750W to ensure ebike regulatory compliance and may vary depending on riding conditions. Lights Auto-on featureFront: ~200 lumens LED headlight with built-in reflectorRear: Integrated taillight with brake light and turn signals Pedal Assist Torque sensor, 5 PAS Levels, plus a zero assist option Range Estimated 25-65 miles per charge Throttle Half twist throttle USB Ports One USB-C port, located on remote Components Bell Yes Brake System Tektro Hydraulic Disc E350 Brake Pads Tektro Semi Metallic P20.11 Brake Rotors 180 mm x 1.8 mm Crank Set 50T with dual sided chain ring cover, 170 mm crank arms Derailleur Shimano 8-speed Fenders Full coverage aluminum alloy fenders with chain guard Fork SR Suntour hydraulic suspension fork, 80mm travel, tapered steerer tube, thru axle Frame Aluminum Freewheel/Cassette 8-speed freewheel 11-34T Gearing 1x8 speed Grips Ergonomic rubber comfort grips Handlebar Aluminum, 710 mm wide Kickstand Side mounted, adjustable angle kickstand Pedals Alloy Platform, Boron axle with reflectors, standard 9/16" X 20 TPI threading Rear Rack Integrated, 55 lb (25 kg) carrying capacity Saddle Padded sport saddle with shallow anatomic cut-out and contoured sides Seatpost Regular: 350 mm x 31.6 mmLarge: 400 mm x 31.6 mm Seatpost Clamp 38.1 mm Shifter Shimano 8-speed thumb shifter Stem 70 mm A-head Tires Kenda Kwick Series 29" X 2.2" with Puncture Protection and reflective strip