B400 Trekking
B400 Trekking
B400 Trekking
B400 Trekking
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 Essenza seat and ergonomic grips.

STYLISH & SLIM, nobody spots an e-bike here!
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.
STYLISH & SLIM, nobody spots an e-bike here!
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.


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
SIZE GUIDE
Currently available in 2 sizes:
- M: for riders between 1.65m and 1.79m
- L: for riders between 1.80m and 1.95m

M | L | ||
---|---|---|---|
A | Seat Tube Length | 560 | 540 |
Top Tube Length | |||
B | Top Tube Horizontal | 550 | 560 |
C | Headtube | 160 | 170 |
D | Chainstays | 445 | 445 |
E | Headtube Angle | 69º | 69º |
F | Seat Tube Angle | 73º | 73º |
G | Wheelbase | 1020 | 1030 |
H | Reach | 570 | 580 |
J | Stack | 565 | 575 |
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.