B400 Urban Motion

B400 Urban Motion
The fully integrated 360Wh battery with 21700 cell techonology is installed seamlessly in the slim downtube can offer you until 100km of range.
Driven by compact Bafang hub motor H400 has a torque of 45Nm
Good control of the bicycle thanks to the good weight distribution, the sturdy aluminium frame with integrated battery, the hydraulic brakes, the wide 29 x 2,0 tires and the wide 660mm handlebar.
Thanks to the frame geometry, wide tires, Selle Royal Gel seat and ergonomic grips.
STYLISH & SLIM, nobody spots an e-bike here!

The e-bikes in our Light series combine timeless bicycle design with the latest e-techonology and light weight.
Thanks to this integration and sucessful design, it is almost impossible to tell from our B400 model that it is a real e-bike.
No elevator? No problem! The B400 is a lighter model, keeping in mind all those urban grinders who have to haul their bikes up stairs.
Intermodality is your new ally. On longer commutes the bike fits perfectly in the subway cars.
#ridesmart
STYLISH & SLIM, nobody spots an e-bike here!
The e-bikes in our Light series combine timeless bicycle design with the latest e-techonology and light weight.
Thanks to this integration and sucessful design, it is almost impossible to tell from our B400 model that it is a real e-bike.
No elevator? No problem! The B400 is a lighter model, keeping in mind all those urban grinders who have to haul their bikes up stairs.
Intermodality is your new ally. On longer commutes the bike fits perfectly in the subway cars.
#ridesmart


Smooth, Silent, Small and Elegant
Small in size, light in weight, high in efficiency and smooth & quiet running, this motor is ideal for city riders.
Sitting in the back wheel, tucked away behind the cassete, it allows a good weight distribution and enough power for your daily commutes.

All you can carry
Quality components and accessories means you can safely carry all the stuff you need for your daily activities - assle free, stress free.
The Atranvelo AVS system lets you attach, match, mix, and switch bags, baskets, and panniers effortlessly. Almost all accessories are modular and compatible with both front and rear carriers.
Technical details
3 sizes available
S: between 1,55m and 1,64m
M: between 1,65m and 1,79m
L: between 1.80m and 1.95m
If betwen 2 sizes: For steering flexibility choose the smaller size since the bicycle is easier to manoeuvre and to overcome obstacles. For comfort and longer distances, choose the larger size.
- BLACK STEEL SPOKES with anti corrosion
Currently available in 3 sizes:
- S: for riders between 1.55m and 1.64m
- M: for riders between 1.65m and 1.79m
- L: for riders between 1.80m and 1.95m

L | M | S | ||
---|---|---|---|---|
A | Seat tube Lenght | 580 | 520 | 460 |
Top Tube Lenght | - | - | - | |
B | Top Tube Horizontal | 626.7 | 596 | 565.3 |
C | Head Tube | 205 | 185 | 165 |
D | Chainstays | 445 | 445 | 445 |
E | Head Tube Angle | 69º | 69º | 69º |
F | Seat Tube Angle | 73º | 73º | 73º |
G | Wheelbase | 1135.1 | 1102.9 | 1070.8 |
H | Reach | 430 | 405 | 380 |
K | Stack | 643.5 | 624.8 | 606.2 |
If betwen 2 sizes:
- For steering flexibility choose the smaller size since the bicycle is easier to manoeuvre and to overcome obstacles.
- For comfort and longer distances, choose the larger size.