Aipas C1 Xpress ST Step-Through Commuter Electric Bike vs Aipas M2 Max 26 x 4.0 Fat-Tire Electric Bike
These are side-by-side facts taken from each product guide: published specifications, strengths and caveats as their sources state them. This page is not a test, a ranking or a verdict about which model is better.
Aipas C1 Xpress ST Step-Through Commuter Electric Bike
Riders 5 foot 1 to 6 foot 5 wanting a light low-step commuter
A step-through commuter with an 1100W motor, 90 Nm, a removable 48V 12.8Ah (about 614Wh) battery, 26-inch tyres, a 100 mm fork and seven gears. Aipas's UL 2849 certificate names the C1 but lists 32 km/h and 85 kg, below the 28 mph and 400-pound figures Aipas advertises.
Published specifications
- Motor: 1100W rear hub, 90 Nm; 28 mph; 20-degree climb
- Battery: 48V 12.8Ah (about 614Wh), removable, IP65
- Range claim 62 miles assist, 36 electric; 4-6 hour charge
- Weight 57 lb (Aipas) or 63-64 lb (Amazon); 400 lb load
- Stand height 18 in; seat-to-floor 30-41 in; rider 5'1"-6'5"
- Certificate data: 12.8Ah, 32 km/h, 85 kg
Strengths
- 18-inch stand height with a 30-inch minimum seat-to-floor height
- Certificate battery data match the C1's 48V 12.8Ah pack
- Turn-signal tail light, electric horn and five assist levels
Caveats
- Certificate lists 32 km/h and 85 kg against 28 mph and 400 lb
- Tyre pressure given as 23-25 psi and 30 psi by Aipas
- Weight, tyre width and frame material differ between sources
Read the full Aipas C1 Xpress ST Step-Through Commuter Electric Bike guide
Aipas M2 Max 26 x 4.0 Fat-Tire Electric Bike
Riders 5 foot 8 and taller wanting an air shock and hydraulic brakes
A high-step fat-tyre bike with an 1800W motor, 110 Nm, a removable 48V 17.5Ah battery, an adjustable air rear shock and hydraulic brakes. Aipas's UL 2849 certificate lists 32 km/h and 85 kg, far below the 36 mph and 500-pound figures Aipas advertises, and the 30-inch stand height suits taller riders.
Published specifications
- Motor: 1800W rear hub, 110 Nm; climb 23 (Aipas) or 30 degrees
- Battery: 48V 17.5Ah removable, IP65; 2A charger
- Brakes: hydraulic, 180 mm; air rear shock up to 250 PSI
- Speed: 36 mph (page), 28+ mph (manual), 32 km/h (certificate)
- Load: 500 lb (page, manual) vs 85 kg (SGS certificate)
- Stand height 30 in; rider 5 ft 8 to 7 ft 0 or 7 ft 6
Strengths
- Hydraulic disc brakes and an adjustable air rear shock
- Aipas publishes a named SGS UL 2849 certificate covering the M2 Max
- Removable 48V 17.5Ah battery with a linked UL 2271 battery report
Caveats
- Certificate lists 32 km/h and 85 kg against 36 mph and 500 lb claims
- 30-inch stand height and 35-inch minimum saddle suit tall riders only
- Weight, rider height and climb figures differ between Aipas sources
Read the full Aipas M2 Max 26 x 4.0 Fat-Tire Electric Bike guide
How to choose between them
Choose the Aipas C1 Xpress ST Step-Through Commuter Electric Bike if your situation matches: Riders 5 foot 1 to 6 foot 5 wanting a light low-step commuter. Its main caveat: Certificate lists 32 km/h and 85 kg against 28 mph and 400 lb.
Choose the Aipas M2 Max 26 x 4.0 Fat-Tire Electric Bike if your situation matches: Riders 5 foot 8 and taller wanting an air shock and hydraulic brakes. Its main caveat: Certificate lists 32 km/h and 85 kg against 36 mph and 500 lb claims.
Both entries repeat what each guide records. Confirm the model, included parts and availability on the current listing before ordering.
Primary sources
- Aipas product page for the C1 Xpress ST Source for Aipas C1 Xpress ST Step-Through Commuter Electric Bike
- Aipas C1 PRO user manual, linked from the C1 Xpress ST page Source for Aipas C1 Xpress ST Step-Through Commuter Electric Bike
- SGS certificate of compliance to UL 2849 for Aipas C1 and C2 models Source for Aipas C1 Xpress ST Step-Through Commuter Electric Bike
- Aipas product page for the M2 Max Source for Aipas M2 Max 26 x 4.0 Fat-Tire Electric Bike
- Aipas M2 Max user manual Source for Aipas M2 Max 26 x 4.0 Fat-Tire Electric Bike
- SGS certificate of compliance to UL 2849 for Aipas M1 and M2 models Source for Aipas M2 Max 26 x 4.0 Fat-Tire Electric Bike
Primary sources checked .