Aipas C1 Max Xpress ST Step-Through 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 Max Xpress ST Step-Through Electric Bike
Riders 5 foot 1 to 6 foot 5 wanting a low-step commuter
A step-through commuter with an 1100W motor, 90 Nm, a removable 48V 18Ah (864Wh) battery, 24 by 2.6 inch tyres, a lockout fork, an adjustable stem and mechanical disc brakes. Its UL 2849 certificate names the C1 MAX but describes a 12.8Ah battery, 32 km/h and 85 kg.
Published specifications
- Motor: 1100W rear hub, 90 Nm; 28 mph; 20-degree climb
- Battery: 48V 18Ah (864Wh), removable, IP65
- Charge: 4-5 hours (manual) or 4-6 hours (listing)
- Weight 65 lb (manual, page) or 74 lb (Amazon); 500 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 and 30-inch minimum seat suit shorter riders
- Manual states the conditions behind its 85-mile range claim
- Adjustable stem, lockout fork and turn-signal tail light
Caveats
- UL 2849 certificate data differ from this model's battery and limits
- Tyre pressure given as 23-25 psi and 30 psi by Aipas
- Weight and frame material differ between Aipas and Amazon
Read the full Aipas C1 Max Xpress ST Step-Through 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 Max Xpress ST Step-Through Electric Bike if your situation matches: Riders 5 foot 1 to 6 foot 5 wanting a low-step commuter. Its main caveat: UL 2849 certificate data differ from this model's battery and limits.
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 Max Xpress ST Source for Aipas C1 Max Xpress ST Step-Through Electric Bike
- Aipas C1 MAX user manual Source for Aipas C1 Max Xpress ST Step-Through Electric Bike
- SGS certificate of compliance to UL 2849 for Aipas C1 and C2 models Source for Aipas C1 Max Xpress ST Step-Through 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 .