Stromer ST3 vs Super73 S2

Fuel	Electric	Electric
Motor	SYNO Drive II Output in watts : 820 W (US: 600 W)	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	Range of up to 150 km/90 mi (optionally 180 km/110 mi)	--
Charging Time	4 h 45 min	6-7 hour / 3-4 hour
Maximum Torque	44 Nm	--
Load Carrying Capacity	--	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	BQ814 | 48 V | 814 Wh	960 watt-hours, 21700 cells
Charger	Stromer CR246 | 246 W	3A (6-7 hour charge time) / Optional: 5A (3-4 hour charge time)
Display	OMNI Color	Transflective monochromatic LCD display with Bluetooth connectivity
Frame	Aluminum Frame size Sport : M 185 cm	6061 / 7005 Aluminum Alloy, 1-1/8" to 1.5" tapered head tube
Stem	Stromer Urban +5° | 105 mm	--
Handle Bar	Bent (Rise 0 mm | Back Sweep 20 mm)	--
Fork	Aluminum	--
Grip	Stromer by Ergon custom GS1 all black	--
Crankset	FSA Gossamer, 52T	125mm alloy crank arms, 36T chainring / Optional: 44T chainring for 10-speed gearing
Shifters	Shimano XT/SLX Microshift 11 Speed 11-42	--
Gear	--	Single-speed 16T rear cog /10 speed gearing (11-36T):
Saddle	Ergon SFC 30 Gel (Komfort: L)	--
Derailleur Rear	--	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	Roxim Z4E Pro	High output triple LED Halo
Taillamp	Roxim R3E	Roxim R3E LED w/ brake light

Front	Pirelli Cycl-e ST for Stromer | 57-584	20 x 4.5" Inner tubes: 20" x 4.5-5", angled valve stem
Rear	Pirelli Cycl-e ST for Stromer | 57-584	20" x 5" BDGR All-Terrain Inner tubes: 20" x 4.5-5", angled valve stem
Wheel / RIM	Stromer 27.5 x 35 by Alex Rims	Rims: 20" x 100mm alloy with lightening cutouts

Front	Stromer HD942 by TRP	Tektro Hydraulic, 2-piston forged aluminum caliper, 180mm
Rear	Stromer HD942 by TRP	Tektro Hydraulic, 2-piston forged aluminum caliper, 180mm

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

Colors

Deep Black | Cool White

Galaxy Black Apollo White Hudson Blue

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

Features	- Keyless - Smartlock - Display of range - GPS positioning - Stromer Daylight - Powerful rear-wheel motor with assistance. - Customizable, comfortable riding position - Connectivity via 3G technology	--
Additional Details	Category : L1e-B | up to 45 km/h (US: Class 3 | up to 28 mph)	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