The Batribike Nebula Step-Through Electric Bike, the perfect choice for confident and comfortable city riding. With its step-through style, this e-bike offers easy mounting and dismounting, making it ideal for urban commuting and leisurely rides around town.
At the heart of the Nebula is a powerful 250W centre-mounted motor, boasting an impressive high torque of 90 Nm. This Promovec motor provides robust and efficient assistance, ensuring you effortlessly navigate through city streets and conquer inclines with ease.
Equipped with a reliable 7-speed Shimano Altus derailleur and Shimano Rapidfire Shifter, the Nebula allows for seamless gear transitions, providing the right amount of pedal assistance for every riding scenario. Whether cruising along flats or tackling challenging climbs, the Nebula's gears offer optimal control and efficiency.
For reliable stopping power, the Nebula comes equipped with Tektro Vee brakes both at the front and rear. These responsive brakes ensure safety and confidence during your urban adventures, allowing you to stop smoothly and quickly when needed.
Enjoy the stylish design of the Batribike Nebula, built to complement your city lifestyle while providing the convenience and joy of electric biking. Ride with confidence, explore the cityscape, and experience the ease of electric commuting with the Nebula Step-Through Electric Bike.
How is the frame size measured?
Most E-bikes are measured from the centre of the crank to the base of the seat post tube. However, some E-bike manufacturers may measure their bikes differently depending on their style.

What is the right frame size for me?
This helpful guide will help you to find which size electric bike is best suited to you. If you would like a bit more information, don't hesitate to get in touch.
HYBRID ELECTRIC BIKES
MENS
| Rider Height | Recommended Hybrid Frame Size | |||
|---|---|---|---|---|
| Feet & Inches | Centimetres | Frame Size (inches) | Frame Size (cm) | Frame Size |
| 4'10" - 5'2" | 148cm - 158cm | 13" - 15" | 33 - 39 | X-Small |
| 5'2"" - 5'6"" | 158cm - 168cm | 15"-16" | 38 - 44 | Small |
| 5'6" - 5' 10" | 168cm - 178cm | 17" - 18" | 43 - 47 | Medium |
| 5'10" - 6'1" | 178cm - 185cm | 19" - 20" | 48 - 52 | Large |
| 6'1" - 6'4" | 185cm - 193cm | 21" - 22" | 53 - 57 | X-Large |
| 6'4" - 6'6" | 193cm - 198cm | 23" - 24" | 58 - 61 | XX-Large |
WOMENS
| Rider Height | Recommended Women's Hybrid Frame Size | ||
|---|---|---|---|
| Feet & Inches | Centimetres | Frame Size (inches) | Frame Size |
| 4'10" - 5'2" | 148cm - 158cm | 13" - 14" | X-Small |
| 5'2"" - 5'6"" | 158cm - 168cm | 15" - 16" | Small |
| 5'6" - 5' 10" | 168cm - 178cm | 17" - 18" | Medium |
| 5'10" - 6'1" | 178cm - 185cm | 19"+ | Large |
ELECTRIC MOUNTAIN BIKES
MENS
| Rider Height | Recommended Mountain Frame Size | |||
|---|---|---|---|---|
| Feet & Inches | Centimetres | Frame Size (inches) | Frame Size (cm) | Frame Size |
| 4'10" - 5'2" | 148cm - 158cm | 13" - 14" | 33 - 37 | X-Small |
| 5'2"" - 5'6"" | 158cm - 168cm | 15" - 16" | 38 - 42 | Small |
| 5'6" - 5' 10" | 168cm - 178cm | 17" - 18" | 43 - 47 | Medium |
| 5'10" - 6'1" | 178cm - 185cm | 19" - 20" | 48 - 52 | Large |
| 6'1" - 6'4" | 185cm - 193cm | 21" - 22" | 53 - 57 | X-Large |
| 6'4" - 6'6" | 193cm - 198cm | 23" - 24" | 58 - 61 | XX-Large |
WOMENS
| Rider Height | Recommended Women's Mountain Frame Size | ||
|---|---|---|---|
| Feet & Inches | Centimetres | Frame Size (inches) | Frame Size |
| 4'10" - 5'2" | 148cm - 158cm | 13" - 14" | X-Small |
| 5'2" - 5'6" | 158cm - 168cm | 15" - 16" | Small |
| 5'6" - 5' 10" | 168cm - 178cm | 17" - 18" | Medium |
| 5'10" - 6'1" | 178cm - 185cm | 19"+ | Large |
COMMUTER ELECTRIC BIKES
MENS
| Rider Height | Suggested Commuter Bike Size | ||
|---|---|---|---|
| Feet & Inches | Centimetres | Frame Size (cm) | Frame Size |
| 4'10" - 5'0" | 148cm - 152cm | 47cm - 48cm | XX-Small |
| 5'0" - 5'3" | 152cm - 160cm | 49cm - 50cm | X-Small |
| 5'3" - 5'6" | 160cm - 168cm | 51cm - 53cm | Small |
| 5'6" - 5'9" | 168cm - 175cm | 54cm - 55cm | Medium |
| 5'9" - 6'0" | 175cm - 183cm | 56cm - 58cm | Large |
| 6'0" - 6'3" | 183cm - 191cm | 58cm - 60cm | X-Large |
| 6'3" - 6'6" | 191cm - 198cm | 61cm - 63cm | XX-Large |
WOMENS
| Rider Height | Suggested Women's Commuter Frame Size | ||
|---|---|---|---|
| Feet & Inches | Centimetres | Frame Size (cm) | Frame Size |
| 4'10" - 5'1" | 147cm - 155cm | 44cm - 46cm | XX-Small |
| 5'1" - 5'3" | 155cm - 160cm | 47cm - 49cm | X-Small |
| 5'3" - 5'5" | 160cm - 165cm | 50cm - 52cm | Small |
| 5'5" - 5'8" | 165cm - 172cm | 53cm - 55cm | Medium |
| 5'8" - 5'10" | 172cm - 180cm | 56cm - 57cm | Large |
Massive Torque Mid Drive Motor
Tektro Brakes
Shimano Gears
specifications
Battery and Range
Standard (400Wh) - 39-84 km
Long Range (560Wh) - 53-120 km
** Range according to battery capacity. It is also dependent on the different riding conditions - terrain, rider weight, tyre pressure, headwind etc.
Motor
Gears
Brakes
Suspension
Charge Time
Included Extras
Weight
Dimensions
Frame Size
Warranty
Battery - 5 Years (registration required)
Motor - 3 Years
2-Year Warranty on all other components
Delivery
Returns
If you would like to cancel your order, please contact us immediately at info@ecobikecompany.com or on 0333 050 3189. Please include your order number when contacting us.
If your order has not yet left the manufacturer's warehouse, we should be able to stop it shipping, and issue you a refund immediately.
Please note – when returning a product, it must be returned in ‘as new’ condition, with all components included, in their original packaging. There will be a charge for the return.
Returns - Changed your mind
If you change your mind after buying from us and want a refund, you have up to 14 days to let us know and have the goods returned to us. You will need to return the product to us before we can provide a refund. Eco Bike Co. can help arrange the return for a charge of £50 - a courier will be sent to pick it up from you & return it to the manufacturer.
Please note – the 14 days return period is to allow you to examine the goods as you would in a shop. To obtain a full refund, the goods must be returned in an “as new” condition with all components included in their original packaging. “As new” condition is defined as unridden.
Returns - Damages & Faulty
We ask that you thoroughly inspect all items at the point of delivery. We advise you not to accept delivery of any damaged items. If you discover that an item has been damaged, please send clear photos of the damaged items to info@ecobikecompany.com so that we can open an insurance claim on your behalf.
If your bike develops a fault through normal use (as outlined in the manufacturer's manual) you could be entitled to a repair or replacement as covered with the warranty. Please send through details of the fault to info@ecobikecompany.com and we will arrange the repair or replacement with the manufacturer.
Please note – any fault caused due to misuse of the bike is not covered by this policy. Please ensure you read the manufacturer's manual in detail before using your electric bike to avoid voiding your warranty.
Frame - 5 Years
Battery - 3 Years
Motor - 3 Years
