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Where the Burchda U8 wins Lower price : $999 vs $1,099 More motor power : 500 W vs 250 W More torque : 75 Nm vs 22 Nm Has throttle Bigger battery : 1512 Wh vs 208.8 Wh Higher voltage : 48 V vs 36 V Longer claimed range : 110 mi vs 62.1 mi Has removable battery Higher weight limit : 350 lbs vs 264 lbs Faster assist speed : 25 mph vs 15.5 mph Better min seat height : 33.1" vs 34.8" Where the Fiido C21 wins More gears : 9 vs 7 Lighter : 38.6 lbs vs 81.5 lbs Performance Overview Category scores out of 100, from manufacturer specs, on the same scale for every vehicle
Powertrain Battery & Range Build Quality Ride Comfort Utility How to read this: each spoke is a category score out of 100, computed from manufacturer specs on fixed scales. Every vehicle is measured on the same scales, so the shapes are directly comparable. Further from the center is better. A dot at the center means we don't have enough spec data for that category.
Full Specifications Differences only Vehicle Burchda U8 Fiido C21 $1,099
› Powertrain Motor Type Geared Hub Hub Brushless Nominal Power 250 W Peak Power 1000 W - Torque 22 Nm Sensor Type Cadence Torque Assist Levels 5 5 Throttle
› Battery & Range Watt Hours 208.8 Wh Amp-Hours 31.5 Ah - Voltage 36 V Claimed Range 62.1 mi Charge Time 8-9 h - Removable Battery Battery Position - In Frame
› Build Quality Front Brake Mechanical Disc Hydraulic Disc Rear Brake Mechanical Disc Hydraulic Disc Brake Brand - Tektro Front Rotor 180 mm - Rear Rotor 180 mm - Gears 7 Gearing Derailleur - Derailleur Shimano 7 Speed - Shifter Shimano 7 Speed - Frame Material Aluminum - Puncture Protection - EN 15194 -
› Ride Comfort Front Suspension Hydraulic Coil Rigid Front Travel 150 mm - Rear Suspension Rigid -
› Utility Weight 81.5 lbs Max Load 264 lbs Rear Rack - Fenders Kickstand - IP Rating IPX4 IP54 Lights Display LCD Color LCD Connectivity - Bluetooth App Compatible - Warranty 24 mo -
› Classification Category Commuter Gravel E-Bike Class 3 - Top Assist Speed 15.5 mph
› Wheels & Tires Wheel Size 20" 700c Tire Size 20x4.0 700x40C Tire Category Fat - Tire Brand - CST
› Frame & Geometry Frame Style Step Through Step Over Sizes One Size M, L, XL Min Seat Height 34.8" Max Seat Height 44.1" 46.9" Standover Height - 31.5" Overall Length 70.9" 70.5"
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