FuroSystems Sierra vs Super73 S2

Fuel	Electric	Electric
Motor	250W BOFEILI Mid-Motor	Class-1 Mode Output: 750 watts nominal / 1200 watt peak Class-2 Mode Output: 750 watts nominal / 1200 watt peak (Default) Class-3 Mode Output: 750 watts nominal / 1200 watt peak Unlimited output: 1200 watts nominal / 2000 watt peak
Range	More than 55km at average pace	--
Charging Time	5.5hrs/7hrs (2.5hrs/3hrs with optional fast charger)	6-7 hour / 3-4 hour
Maximum Power	250W	--
Load Carrying Capacity	150kgs	325lb
Seating Capacity	--	2-up seat, Optional: Single passenger Cafe Racer Style
Top Speed	--	32 kmph
Speed	--	Class-1 Mode: 20mph (throttle deactivated, pedal assist only) Class-2 Mode: 20mph Class-3 Mode: 28mph (throttle deactivated, pedal assist only) Unlimited Mode: 28mph +
Riding Modes	--	4 modes (ECO, TOUR, SPORT, SUPER)
Battery	36V 10.4Ah 375Wh Lithium-Ion Samsung/LG Cells	960 watt-hours, 21700 cells
Charger	Standard Charger	3A (6-7 hour charge time) / Optional: 5A (3-4 hour charge time)
Display	Onboard Computer and Backlit LCD Display	Transflective monochromatic LCD display with Bluetooth connectivity
Frame	Full carbon	6061 / 7005 Aluminum Alloy, 1-1/8" to 1.5" tapered head tube
Fork	SR Suntour XCM	--
Crankset	--	125mm alloy crank arms, 36T chainring / Optional: 44T chainring for 10-speed gearing
Gear	18 Speeds Shimano Gears	Single-speed 16T rear cog /10 speed gearing (11-36T):
Derailleur Front	Sensah RX	--
Derailleur Rear	Shimano Acera 9 speeds	Single-speed fixed gear/ 10 speed Shimano Zee: optional accessory sold separately.
Hub Rear	--	9 x 135mm, steel axle
Bottom Bracket	--	120mm sealed bearing, square taper
Headlamp	--	High output triple LED Halo
Taillamp	--	Roxim R3E LED w/ brake light

Front	CST C1846 27.5*2.25	20 x 4.5" Inner tubes: 20" x 4.5-5", angled valve stem
Rear	CST C1846 27.5*2.25	20" x 5" BDGR All-Terrain Inner tubes: 20" x 4.5-5", angled valve stem
Wheel / RIM	Spoke	Rims: 20" x 100mm alloy with lightening cutouts

Front	Shimano M315 Hydraulic Disk Brakes	Tektro Hydraulic, 2-piston forged aluminum caliper, 180mm
Rear	Shimano M315 Hydraulic Disk Brakes	Tektro Hydraulic, 2-piston forged aluminum caliper, 180mm

Front	SR Suntour	Air Spring Fork with adjustable Pre-load, Compression, and Rebound damping, 120mm travel, 32mm stanchion
Rear	--	--

Colors

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Galaxy Black Apollo White Hudson Blue

Length	--	--
Weight	19 kg	33 kg
Seat Height	--	310

Features	Full Carbon Integrated Design Powerful BOFEILI Mid-Motor Onboard Computer and Backlit LCD Display Integrated design and secure key lock	--
Additional Details	Computer: SW-LCD with modifiable speed limit and 6km walk assist Pedal Assist: 5 Levels Rider Height: 160cm - 195cm/5'2 - 6'4	Rider's Height: 5'3" - 6'8". DC/DC Converter: 48v to 12v (120 watt) Turn Signals: Optional accessory sold separately Horn: Roxim ZHRK-01 w/ integrated horn switch Throttle: Thumb throttle
Accessories	Complete Lighting Kit Front and Rear Fenders	--