Off Road 20” Apache Limited Edition

We don’t expect this to make sense to everyone, but here’s why this electric bike exists. Everyone that works for Dillenger loves the impressive amount of pickup from 20” wheels. Even the street legal 20” e-bikes. The smaller the wheel, the more initial acceleration. So as a joke someone suggested we try out an "off road only" system with a Bafang BPM hub motor and make a 20” folding bike with 1,000W peak power. Someone (who will remain nameless) forgot his sense of humour that day and so we made an off road only folding bike with 1,000W peak power! Due to popularity of the first limited edition, we decided to make a few refinements and produce a second run.



Product Description


1,000W peak

A 500W continuous, 1,000W peak geared hub motor in a 20” wheel is really quite enjoyable. We first played with the idea on a 20” 1,500W front wheel drive drift trike. It’s an odd looking contraption, but it is more fun than you could imagine. 1,500W proved to be way over-powered in a 20” wheel. The amount of wheel spin made it quite difficult to control. We settled on 1,000W being ideal for the drift trike, so that’s what we’ve applied to this little monster.

Samsung 29E

The major limitation on this limited edition model is that the battery still had to fit within the 40 cell battery pack that fits inside the Apache frame. With high powered e-bike systems you need to have a high drain battery with a reasonable capacity, otherwise the pack will die prematurely. With a maximum of 40 cells, the Samsung 2,200mAh cell just wouldn’t cut it, so we’ve built the pack from 29E 2,900mAh cells which do the job very well.

Dual suspension

It’s an odd looking design, but it’s the most comfortable folding bike frame we’ve ever had. Dual suspension really does make a difference, especially with the smaller 20” wheels. Now that this bike is travelling at almost double the speed of the street legal version, the dual suspension will come in handy more than ever! .

Wheelie powerful

Without suggesting that you should pop a wheelie using only the power from the motor, it is possible with this model. 1,000W (geared) power on a 20” wheel makes the acceleration something out of this world. It’s just not something we can properly explain in words. To sit on a normal looking bicycle and take off that quickly is something else entirely!

Additional Information

Additional Information


Designation Limited edition off road electric bike
Assembly Required Handlebar alignment, seat and pedals only
Nominal Power 500W
Peak Power 1,000W
Cruise Speed 32km/h
Max Rider Weight 150kg (330lbs)
Max Range 50km
Average Range 35km with throttle usage
Throttle Type Thumb throttle
Pedal Assist Levels Level 1 to 9, level 0 no assistance
Grips Lock grips
Handlebar Display Dillenger C965
Headset Neco
Stem Zoom
Saddle Velo Plush
Pedals Wellgo (folding)
Front Fork RST with suspension lockout
Tyres Kenda 20 x 2.125"
Spokes 12G Stainless steel
Wiring type EB-BUS waterproof cable set
Frame Material 6061 Aluminium


Battery Chemistry LiMn2O4 Lithium Ion
Nominal Battery Voltage 48V
Charged Battery Voltage 54V
Battery Capacity 8.7Ah
Nominal Battery Energy 417.6Wh
Battery Removable Yes
Battery Cell Type 18650
Cell Spec Samsung 2,900mAh 29E
Cell Configuration 13S 3P
Built in BMS Yes
Other Features Removable & lockable
Battery Charger Type SANS 2A
Battery Charge Time 4 hours from empty


Brake Type Tektro Aries cable disk brake 160mm
Brake Levers Tekro EL550-RT and EL550-RS
Brake Callipers Tekro Aries


Transmission Brand Shimano
Transmission Type Shimano Tourney 7 Speed
Shifters Shimano
Deraileur Shimano Tourney
Chain KMC
Rear Sprocket 7S Shimano


Motor Brand Bafang/8FUN
Motor Model BPM 500W geared
Motor Voltage 48V Nominal
Max Motor Power 1,000W peak
Drive Type Geared
Motor Sensors Hall sensor and speed sensor


Controller Brand Dillenger OEM
Controller Operating Voltage 48V
Controller Max Voltage 60V
Controller Low Voltage Cutoff 40V
Controller Operating Amps 22A +/- 1A
Controller Nominal Power Output 1,000W
Controller MOSFET Tubes 9
Controller Sensors Hall sensors


Total Weight - No Battery 22.0kg (48.5lbs)
Battery Weight 2.3kg (5.1lbs)
Total Weight 24.3kg (53.6lbs)


Length 151cm (59 in)
Width 61cm (24 in)
Height 112cm (44 in)
Frame Size Small to Medium
Wheel Base 102cm (40 in)
Wheel Size 20"
Ground to Max Seat Height 102cm (40 in)
Ground to Lowest Seat Height 83cm (33 in)


Folded Length 90cm (35 in)
Folded Width 43cm (17 in)
Folded Height 70cm (28 in)

Whats in the Box?


Write Your Own Review

Only registered users can write reviews. Please, log in or register