Felt Surplus 50 2020 vs Super73 S1

Fuel	Electric	Electric
Motor	--	Class-2 500 watts nominal/1000 peak
Charging Time	--	2A (6-7 hour charge time) / Optional: 5A (3-4 hour charge time)
Load Carrying Capacity	--	275lbs
Top Speed	--	32 kmph
Riding Modes	--	3 modes (ECO, MID, HIGH) 3 modes (ECO, MID, HIGH)
Battery	Shimano E8020, 500Wh integrated	768 watt-hours, 18650 cells
Charger	--	2A (6-7 hour charge time) / Optional: 5A (3-4 hour charge time)
Display	--	LCD Display
Frame	Felt 27.5+, Shimano e-bike design, 6061 aluminum, fully integrated down tube, Control Taper integrated head tube, post disc mount, replaceable derailleur hanger, 12 x 148 mm Syntace style thru axle	Steel
Stem	Devox, ±7¡ rise, ¯31.8 mm with Cr-Mo bolts, 35 mm length	--
Handle Bar	Devox E-MTB 6061 butted riser, ¯31.8 mm, 25 mm rise, 9¡ sweep, 780 mm wide, custom internal wire routing	--
Fork	Rockshox Recon RL Solo Air, 130 mm travel, 15 x 110 mm Boost, E-Bike specific	--
Seats	--	Standard short seat
Seatpost	KS 900 i dropper with Westie, ¯30.9 mm, SM/ MD: 100 mm travel, LG/XL: 125 mm travel	--
Grip	Devox Pauley Grip, lock-on	--
Crankset	Shimano E8000, 34T, SM/MD 165 mm, LG/XL: 170 mm	140mm alloy crank arms, 36T chainring
Chain	KMC X10-E, 10-speed	--
Shifters	Shimano Deore M6000, 1 x 10	--
Gear	--	Single-speed
Saddle	Devox MTB	--
Headset	FSA sealed cartridge bearings, semi-integrated, No.57, 1.125 - 1.5"	--
Derailleur Rear	Shimano Deore, 10-speed, Shadow Plus, long cage	--
Hub Front	Shimano MT400, 12 x 148 mm Boost thru axle, Center Lock, 32H	9 x 135mm axle
Hub Rear	Shimano MT400, 15 x 110 mm Boost thru axle, Center lock, 32H	--
Spoke	2.0 mm butted stainless steel	--
Cassette	Shimano, 10-speed, 11-42T	--
Bottom Bracket	--	100mm, Square Taper, Sealed Cartridge Bearings
Headlamp	--	LED Halo headlight
Taillamp	--	Rear brake light

Front	Maxxis Rekon+, Dual, tubeless ready, 27.5 x 2.8"	20 x 4”
Rear	Maxxis Rekon+, Dual, tubeless ready, 27.5 x 2.8"	20” x 4” All-Terrain Tires
Wheel / RIM	E-Double wall, tubeless compatible, 35 mm inner width	Rims: 20" x 4" alloy with lightening cutouts

Front	Shimano MT400 hydraulic disc, 203 mm rotor	Tektro hydraulic alloy disc brakes, 2 piston
Rear	Shimano MT400 hydraulic disc, 180 mm rotor	Tektro hydraulic alloy disc brakes, 2 piston
Brake Lever	Shimano	--

Front	--	--
Rear	--	--

Colors

Dark Blue / Cyan

Black, White, Army Green, Tan

Length	--	--
Weight	--	31.75 kg
Seat Height	--	300

Features	- Shimano E7000 drive system for electric-assist pedaling power - Lightweight, durable aluminum frame - Shimano shifting and braking components, and a RockShox fork	Removable battery Comes with aluminum cargo rack
Additional Details	Bottom Bracket : Shimano E7000 MTB drive, 250W output, 20 mph Seatpost Clamp : Felt single bolt, ¯34.9 mm Thru Axle : Rear: Felt leverless 12 x 148 x 166, thread: M12 x 1.0P x 18L, Syntace	--
Accessories	Battery charger	--