The Kuma SX is our premium low-step e-bike: the M1's drivetrain in an easy step-through frame. An 80Nm Bafang M420 mid-drive, Gates carbon belt and Enviolo stepless hub mean strong climbing with no chain to oil, and the 504Wh Samsung battery gives up to 90km per charge. 23kg. Designed in Ireland, made in Europe. From €2,999.99 and eligible for the bike to work scheme.
Who the SX is for
- Riders who want a step-through frame with the strongest climbing in our low-step range
- Anyone who wants the lowest-maintenance setup: belt drive and stepless gearing
- Riders from 165cm to 184cm (one Medium frame), up to 95kg
Design & Frame
- Low-step smooth-welded 6061 aluminium frame
- Integrated full colour display with front and rear LED lighting
Battery & Charging
- 504Wh Samsung battery, up to 90km per charge
- Removable and lockable, so you can charge it indoors
- Full charge in 2.5–3.5 hours
Drive & Performance
- 80Nm Bafang M420 mid-drive motor, quiet and strong on climbs
- Enviolo CVT rear hub: stepless gear changes with no derailleur to adjust
- Gates carbon belt drive, rated for over 30,000km with no oil needed
- Tektro TD 825 hydraulic disc brakes
Included
- Custom front and rear racks, mudguards and kickstand
Warranty
- 2 years on motor and battery, 5 years on the frame
Specifications
| Motor | Bafang M420 mid motor, 250W (EU legal limit), 80Nm torque |
| Pedal assist | 5 levels |
| Assisted top speed | 25 km/h (15.5 mph), EU legal limit |
| Battery | Samsung lithium-ion, 36V 14Ah (504Wh) |
| Max range | Up to 90km (depends on assist level, pace, rider weight and terrain) |
| Charge time | 2.5–3.5 hours |
| Climbing angle | Up to 25 degrees (average rider weight) |
| Display | Colour in-frame top tube display with password lock, or multi-function LCD handlebar display |
| Readouts | Speed, ODO/trip distance, battery level, assist level, headlight on/off |
| Controller | Bafang |
| Frame | Kuma 6061 aluminium low step with removable battery |
| Drive | Gates carbon belt |
| Gearing | Enviolo CVT hub |
| Brakes | Tektro TD 825 hydraulic disc, front and rear |
| Tyres | Kenda T-193 35C |
| Wheels | 700c double walled |
| Weight | 23kg fully equipped |
| Max rider weight | 95kg |
| Optional extras | Additional battery, pannier bags, phone holders, Cargo Pack Child, Cargo Pack Standard |
Sizing
- Medium (48cm): 165cm – 184cm (5'4" – 6')
