Super73 ZX vs Tern Vektron D8

Fuel	Electric	Electric
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 Mode Output: 750 watts nominal / 1350 watt peak	Bafang M400 Drive System, 36 V/250 W, max speed 25 kph (EU); max speed 20 mph (US), max torque 80 Nm
Range	--	40-90 km (25-56 mi)
Load Carrying Capacity	325lbs	--
Top Speed	32 kmph	--
Speed	Class-1 Mode: up to 20mph (throttle deactivated, pedal assist only) Class-2 Mode: up to 20mph Class-3 Mode: up to 28mph (throttle deactivated, pedal-assist only) Unlimited Mode: up to 28mph	--
Riding Modes	4 modes (ECO, TOUR, SPORT, SUPER)	--
Battery	615 watt-hours, 18650 cells	Bafang M400 Drive System Battery, 400 Wh, Panasonic cells
Charger	2A (6-7 hour charge time) 5A sold separately (2-3 hour charge time)	Bafang Charger
Display	Transflective Monochrome LCD + Mobile Device	Bafang M400 Drive System Display, 5 mode selectable, walk assist
Frame	6061 / 7005 aluminum alloy, 1-1/8” to 1.5” tapered head tube	Tern Vektron, hydroformed aluminum, OCL+ joint, 3 patented technologies
Stem	--	Tern Andros (G2), adjustable, forged construction, patented technology
Fork	--	Integrated, hi-tensile steel
Seats	Extended length seat	--
Seatpost	--	SuperOversize, 6061-Al, micro-adjust clamp
Grip	--	Velo ergonomic, lock-on
Crankset	--	Vektron custom, forged AL6061 crankarm
Pedals	--	Folding, alloy body
Chain	--	8 spd, DHT for eBike, GST corrosion resistant coating
Shifters	--	Shimano, 1 x 8 spd, trigger
Gear	Single-speed 16T rear cog / Optional: 10-speed gearing (11-36T) sold separately, available for purchase fall 2020.	--
Saddle	--	Tern Porter, patented GripPad design
Headset	--	Tern Flux, cartridge bearings, Physis integrated
Derailleur Rear	10-speed Shimano Zee sold separately (available Q4 2021)	Shimano Claris
Hub Front	--	Shimano disc
Hub Rear	9 x 135mm, steel axle	Shimano disc
Spoke	--	Stainless steel
Cassette	--	Shimano 11-32T, 8 spd
Chainrings	5mm alloy crank arms, 36T chainring 10-speed w/44T sold separately (available Q4 2021)	--
Sprocket	Rear: Single-speed 16T rear cog 10-speed sold separately (11-36T) (available Q2 2022)	--
Bottom Bracket	120mm sealed bearing, square taper	--
Headlamp	--	Tern Valo Direct, integrated, 41 lux/150 lumens
Taillamp	--	Herrmans H-Trace / H-Trace Mini, for eBike

Front	Trooper Tires - 20x4"	Schwalbe Big Apple, Active Line, 50-406, puncture protection, Reflex
Rear	Trooper Tires - 20x4	Schwalbe Big Apple, Active Line, 50-406, puncture protection, Reflex
Wheel / RIM	Rims: 20”x100mm alloy with lightning cutouts	20" wheels Kinetix Comp, for disc

Front	Mechanical 180/180mm rotors	Shimano, hydraulic disc
Rear	Mechanical 180/180mm rotors	Shimano, hydraulic disc
Brake Lever	--	Shimano, hydraulic disc

Front	--	--
Rear	--	--

Colors

Moon Rock Storm Gray

Gunmetal Grey White Silver

Length	--	--
Weight	28.3 kg	22.5 kg
Seat Height	310	--

Features	Trooper Tires Better Ergonomics All-New Seat Next Generation PowerTrain Multi-Class Ride Modes Super73 App Ready Smart Display Turn-by-turn navigation Multi-Class Ride Modes	--
Additional Details	--	SPEEDS : 1 x 8 FOLDING SIZE : 41 x 86 x 68 cm (16.1" x 33.9" x 26.8") FOLDING TIME : 10 sec FRAME SIZES : One size GEAR INCHES : 33" - 95" (2.60 - 7.57 m) DISTANCE: SEATPOST TO HANDLEBAR : Min. 620 mm (24.4") Max: 690 mm (27.2") DISTANCE: SADDLE TO PEDAL : Min. 780 mm (30.7") Max: 990 mm (39") SUGGESTED RIDER HEIGHT : 160 - 195 cm (5'3" - 6'5") MAX LOAD WEIGHT : 105 kg (230 lb) HANDLEPOST : Tern Physis 3D (G2), 3D forged, 5 patented technologies, 12°, 320 mm SEATPOST CLAMP : Oversize, 6061-Al BOTTOM BRACKET : Motor integrated SHIFTER CABLE & HOUSING : Anti-compression housing, slick cables
Accessories	--	BELL : Aluminum CHAINGUARD : n/a KICKSTAND : Rear mount, Pletscher design CLIP SYSTEM : Magnetix 2.0 LUGGAGE SOCKET : Yes FENDERS : SplashGuard, stainless hardware RACK(S) : Optional: Tern Loader Rack