Super73 · Fat tire · limited stock
Super73 R Adventure Series SE: real range, hills and charging
A 180 lb rider on the Super73 R Adventure Series SE at 16 mph with relaxed pedaling over rolling hills (±2%) on pavement can expect about 55 miles per charge (44–66 mi), using 15.7 Wh per mile. The brand claims up to 55 miles. That is about 100% of the claim. On throttle only over hills it drops to about 36 miles.
960
Wh battery
750
W motor
20
mph max
Price checked 2026-10-20. We may earn a commission.
How far does the Super73 R Adventure Series SE go for your weight?
Miles per full charge on a new battery at 70°F on pavement, no wind. Each number is the middle of a ±20% band. Super73 claims 45–55 miles (45+ mi at 20 mph under class 2 throttle-only (spec table 45-55 mi; page banner says 40-55 mi); varies with rider weight, speed, terrain).
| Rider weight | Easy 12 mph | Everyday 16 mph | Fast 20 mph | Throttle, hills |
|---|---|---|---|---|
| 150 lb | 87 mi (70–105) | 58 mi (46–70) | 41 mi (33–50) | 40 mi (32–48) |
| 200 lb | 77 mi (61–92) | 52 mi (42–63) | 39 mi (31–47) | 34 mi (28–41) |
| 250 lb | 69 mi (55–82) | 47 mi (37–56) | 37 mi (29–44) | 30 mi (24–36) |
| 300 lb | 62 mi (50–74) | 42 mi (34–51) | 35 mi (28–42) | 27 mi (22–33) |
- Easy 12 mph: 12 mph, relaxed pedaling, flat
- Everyday 16 mph: 16 mph, relaxed pedaling, rolling hills
- Fast 20 mph: 20 mph, relaxed pedaling, rolling hills
- Throttle, hills: 15 mph, no pedaling, hilly
Can the Super73 R Adventure Series SE climb hills?
Highest steady speed on each grade, motor at an estimated 1,200 W peak. A 10% grade is a steep city street; 15% is a hard hill.
| Rider | 5% grade | 10% grade | 15% grade |
|---|---|---|---|
| 180 lb, throttle | 20 mph | 13 mph | 9 mph |
| 180 lb, pedaling | 20 mph | 14 mph | 10 mph |
| 250 lb, throttle | 18 mph | 10 mph | 7 mph |
| 250 lb, pedaling | 19 mph | 11 mph | 8 mph |
Steepest grade at 8 mph (180 lb): 18% on throttle, 19% with moderate pedaling. Peak power lasts for short hills; on long climbs motors fall back toward their 750 W nominal rating.
Charging time and cost
Empty to full (2 A)
8 h 28 min
With a 5 A charger
3 h 59 min
Cost per full charge
$0.21
Cost per mile
0.34¢
US average residential electricity, 18.31¢/kWh (EIA, July 2026), 85% charger efficiency. Charge time: constant current to ~85%, then about an hour of top-off.
Range in cold weather
70°F
55
mi · 100% cap.
50°F
50
mi · 94% cap.
32°F
45
mi · 85% cap.
20°F
39
mi · 75% cap.
Everyday scenario, 180 lb rider. Capacity loss is temporary; store and charge the battery indoors and never charge it below freezing.
Simulate your own ride on the R Adventure Series SE
Super73 R Adventure Series SE specs
From the Super73 product page, checked 2026-10-20. est. marks values Super73 doesn't confirm.
- Price
- $3,895
Source note
Only the SE trim (Blackout) is listed and it is sold out on 2026-10-20; no Core trim page exists on super73.com
- Class
- Class 2, throttle
Source note
Sold in Class 2 mode; Super73 says app pairings after 2025-01-01 cannot access other modes
- Top assisted speed
- 20 mph
- Battery
- 960 Wh (48 V × 20 Ah), removable
Source note
960Wh (48V 20Ah) UL2271-compliant (older marketing said '1000Wh'). Removable battery and cadence (not torque) pedal sensing assumed; not stated on official spec table
- Motor
- 750 W nominal, rear hub
- Torque
- Not published est.
Source note
Not stated on official page
- Pedal sensor
- Cadence
- Claimed range
- 45–55 mi (45+ mi at 20 mph under Class 2 throttle-only (spec table 45-55 mi; page banner says 40-55 mi); varies with rider weight, speed, terrain)
- Weight
- 88 lb with battery
- Max load
- 325 lb rider + cargo
Source note
Rider weight limit (no separate total payload stated)
- Wheels & tires
- 20" × 4.5"
- Frame
- Moped-style aluminum, full suspension (adjustable front/rear), 8-speed, 4-piston hydraulic brakes; 20in VEE GRZLY tires 4.5in front / 5in rear
- Charger
- Not published (we assume 2 A) est.
Source note
Charger amps not stated; official charge time 6-7 hours
- Safety certification
- UL 2271 (battery)
Common questions
What is the weight limit of the Super73 R Adventure Series SE?
Super73 rates the R Adventure Series SE for 325 lb total (rider plus cargo). At 300 lb it still goes about 42 miles in everyday riding.
Can the Super73 R Adventure Series SE climb steep hills?
On throttle alone, with a 180 lb rider, it can hold 8 mph up a grade of about 18% (our estimate from its 1200 W estimated peak power). With moderate pedaling, about 19%. On a 10% hill it holds about 13 mph on throttle.
How long does the Super73 R Adventure Series SE take to charge?
About 8 h 28 min from empty with the 2 A charger, or about 3 h 59 min with a 5 A fast charger. A full charge costs about $0.21 at the US average of 18.31¢/kWh, or 0.34¢ per mile.
Is the Super73 R Adventure Series SE a Class 2 or Class 3 e-bike?
Super73 lists it as Class 2, with a top assisted speed of 20 mph and a throttle.
Which hitch racks fit the R Adventure Series SE?
At 88 lb with battery (about 77 lb without it) and 4.5" tires, 8 of 23 hitch racks we track can carry it (some only with the battery removed).
| Kuat Piston ION 2-bike | 100 lb/bike | Fits |
| 1UP USA Super Duty Double | 100 lb/bike | Fits |
| Saris MHS 2 Bike Package | 100 lb/bike | Fits |
| Aventon Hitch Rack Pro | 85 lb/bike | Fits with battery removed |
| Yakima OnRamp LX | 80 lb/bike | Fits with battery removed |
| Hollywood Racks Sport Rider for Electric Bikes | 80 lb/bike | Fits with battery removed |
| Hollywood Racks RV Rider E-Bike Rack | 80 lb/bike | Fits with battery removed |
| Aventon Hitch Rack | 77 lb/bike | Fits with battery removed |
Doesn't fit: Thule Epos 2-bike (tires too wide), Yakima StageTwo (too heavy), Hollywood Racks Destination E (too heavy), Allen Sports High Capacity Locking Premier for Electric Bikes (too heavy), Kuat Piston Pro X 2-bike (too heavy), Yakima OnRamp (tires too wide), Thule EasyFold XT 2 (tires too wide), 1UP USA Heavy Duty Double (tires too wide), Thule T2 Pro XTR 2-bike (too heavy), Kuat NV 2.0 2-bike (too heavy), Kuat NV Base 2.0 2-bike (too heavy), Saris Door County 2-Bike Motorized (tires too wide), Saris SuperClamp G4 2-Bike (too heavy), Hollywood Racks Sport Rider SE2 (tires too wide), Saris Freedom G2 2-Bike (tires too wide).
All hitch racks →
