

Flex LT+
Flex LT is a longtail version of the Flex, offering increased load capacity and even more versatility. Its optimised frame design ensures easy step-through access, while the double kickstand with Smart Lift provides stable, effortless parking even under heavy load. The integrated AVS+ system supports flexible mounting of baskets, child seats, and panniers, with up to 10 kg capacity at the front and 54 kg at the rear. The extended rear rack also accommodates either two child seats or a double seat setup.
The model is available with both 3" tires (Flex LT) and 4" tires (Flex LT+).
Developed with UK bike designers for the roads and conditions we ride every day.
Warranty: Up to 5 years on the battery, 3 years on the motor and 10 years on the frame.
We keep you running with a large network of local dealers and workshops.
Built on over 25 years of e-bike experience from Promovec.
Specifications
Motor
Motor Power
Torque
Maximum Speed
Battery
Battery Placement
Fixed Battery
Display
E-connect App
Walk Assist
Gears
Cable Routing
Stem
Front Brake
Rear Brake
Saddle
Tyres
Mudguards
Frame
Front Light
Rear Light
Equipment
Rear Rack
Kickstand
Basket
Dimensions
Height: 108 cm
Length: 205 cm
Width: 75 cm
Bike weight incl. 20 Ah battery: 31 kg
Maximum user weight: 100 kg
Maximum load, front rack: 10 kg
Maximum load, rear rack: 54 kg
Total maximum weight: 195 kg
Warranty
With Humber Bicycles you get the following warranty:
- 5-year warranty on battery*
- 3-year warranty on motor
- 10-year warranty on frame
*Warranty registration required. Find out more here.

