Geeko-Brompton

Name: Geeko Brompton- Turn your Brompton into an e-Bike - 100g.tech
SKU: Geeko-Brompton
Availability: InStock

USD692.00 USD999.00Price range: USD692.00 through USD999.00

USD692.00 - USD999.00

EUR621.80 - EUR897.66

GBP546.96 - GBP789.61

CAD1,008.27 - CAD1,455.58

TWD22,116.49 - TWD31,928.28

Geeko-Brompton

Mini-25052FB

Mini-25070FB

Mini-35070FB

Solid-25100FB

Solid-35100FB

Pro-25150FB

Pro-35150FB

Bottle Color

Clear

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SKU: Geeko-Brompton Category: Geeko Tag: Free Shipping

Description

If you want to transform your Brompton into an electric one, Geeko-Brompton is the ideal choice.

This e-bike conversion kit for the Brompton retains all its features. No need to change the fork, brakes or gears, and it still folds as normal. It looks just like the original, only 4KG heavier.

The custom motor for narrow forks mounts easily without bending. The PAS sensor with 12 magnets installs quickly without crank removal, and is highly sensitive and reliable. A bottle adapter is included to solve the lack of bottle cage screw holes. All to save time and keep your Brompton intact.

Geeko Front Motor & PAS Sensor

Dropout 74MM, slot width 8MM, specifically for Brompton
Super lightweight, only 1.85KG
BLDC geared motor, with durable and reliable gears
With an impressive high torque(Max. 35NM) in a small size

Default Droupout & Slot Width

Dropout: 75MM
Slot width: 8MM

Double-wall aluminum rim: Precision-machined
High-strength PVC tire pads: Withstand a maximum of 100 psi tire pressure
Radial/axial deviation: < 0.5-1 mm
13G (2.2 mm) high-tensile steel spokes
36-spoke configuration: Optimized for e-bike torque loads
Spoke tension: 25-30 kgf
Wheel size compatibility: 16-29 inches (650b/700c/29er)

Default Specifications

Matte black rim with polished silver sidewalls (rim/disc brake compatible)
Black spokes
Black motor housing

Customization Options

Pure black disc brake rim
Silver rim
Silver spokes
Silver motor housing

Zodiac – New generation of cadence sensors

Fits 98% of bike frames.
Simple installation without dismantling the cranks.
3 times the magnet sensing area.
HMI panel.

Bionic torque power, an electric power distribution and control system independently developed by 100G, closely approximates traditional torque-assist systems by offering cyclists a human-like, fluid riding experience that significantly enhances comfort and efficiency.

Linear, natural assist power ideal for multi-gear bikes
Each level achieves maximum speed
Levels differ by motor boost power (vs. speed in other systems)
Independent max speed/current settings per level
Auto uphill enhancement increases power on inclines
50% longer range: 130km (10Ah) / 200km (15Ah)

Geeko Bottle

3 Bottles x 4 Colors

Bottle Bracket

Intelligent Display

Featuring a bottle cap-integrated design with built-in Bluetooth 5.0, this display combines a 3-button interface and 1.25-inch digital screen for classic electric bicycle HMI, offering IPX7 waterproof protection (full battery bottle immersion resistance) and low-power operation (standby current ≤12mA).

Real-Time Monitoring

Battery level (1% precision)
Assist level
Controller connectivity (plug-and-play supported)
APP Bluetooth status (OTA updates enabled)
Flashing error code for fault Diagnosis

Operation Controls

Power On/Off
0-5 assist level adjustment
Parameter settings (Includes 18 functions like wheel diameter calibration/speed limit reset)

APP

The 100G/Geeko app features an intuitive interface for better interaction, with no setup required and simple +/- button controls that make it easy for everyone to use. Key functions include:

Monitor speed, battery level, and ride stats in real time
Adjust assist levels (0-5) and modify settings
Fault diagnosis
OTA firmware updates

Controller

The controller is enclosed in an aluminum housing with integrated heat dissipation fins at the bracket base, ensuring efficient heat dissipation. Adaptive thermal management reduces power output incrementally under high-temperature conditions to prevent overheating.

Overheat Protection: Maintains safe operating temperatures for long-term performance
IPX7 Waterproofing: Fully potted with thermally conductive epoxy for submersible protection (1m depth, 30-minute immersion)
All-Weather Operation: Ensures reliable functionality in rain, mud, or extreme humidity

Modular Expansion:

Supports plug-and-play expansion, allowing users to customize their e-bike with:

Front/rear light
Handlebar display
USB Charging
Throttle/Brake lever

Modular Expansions

The Geeko system comes with practical plug-and-play expansion accessories. Even if you’re installing them on your own, you can do it with ease.

Front/Rear Light

Handlebar Display

USB Charger

Throttle for 250W Geeko Kit

Accessories You May Need

Brake Disc

Cassette

Extension Cable

Torque Arm

Spare Geeko Battery

Spare Geeko Charger

Spare Sensor

Geeko-Front Motor Wheel

Geeko Bracket

Geeko Cap

Geeko Key

Geeko Adapter

Introduction Videos

Geeko-Front Introduction

Geeko-Front Unboxing

Geeko-Front Installation

Geeko-Front Operation

Independent Reviews

EMOBILIST--In 60Minuten vom BIO- zum EBIKE mit dem 100G Geeko Umbausatz

Paul's Views & Reviews--Swytch vs. 100G - which is the best e-bike conversion kit?

MobiliTest--100g tech , Un Kit pour electrifier son vélo VRAIMENT à la portée de TOUS ! (TUTO)

Zero Pionier--vom Fahrrad zum eBike : 100G.tech Geeko Umbausatz "REAR" / no Pendix & Bafang

"Geeko" Anywhere on Your Bike

With 4 types of Geeko Adapters, you can fix Geeko Bottle anywhere on your bike.

Handlebar with A-Adapter-2

Front fork

Seat post

Saddle

Specifications & Manuals

Specifications

Specifications for every items

Geeko Kit Manual

Packing list / Installations / Error code

APP Manual

Wheel size / Speed limit, etc.

Policies

Shipping

Shipping time / Shipping cost

/ Order tracking / VAT & Customs

Warranty & Return

Warranty / 7-day return policy

/ Damages and issues, etc.

FAQ

Installation / Warehouse

/ Dealers/ MOQ, etc.

Campaign & Rewards

Show Geeko, Get $50 Rewards

Every Geeko user is warmly invited to participate in our campaign.
Show your objective and unbiased videos about Geeko.
Easy job for everyone.

EU Warehouse & Accessories Pre-installation

Your order may include Geeko kit (Geeko-Front/Rear/Dual) and other accessories(cassette, brake disc, light, light cable, additional throttle, etc.).

If Geeko kit in your order is in EU warehouse:

Geeko kit in your order will be shipped in 2 parcels from EU warehouse, shipping time 3-7 days.(One parcel with battery and bracket controller, the other parcel the rest of the Geeko kit).
Other accessories in your order will be shipped separately in 1 parcel from China factory by air, shipping time 8-12 days.

Note that in this case you will need to install some accessories yourself. Don’t worry, the installation of the accessories is very simple, please follow instructions below.

If Geeko kit in your order is NOT in EU warehouse:

Your order will be shipped in one parcel from China factory, and the accessories will come pre-installed. Normally shipping time 25-30 days.

Specifications

Geeko-Front Kits

Geeko Model	Motor Power	Battery Case	Battery Capacity	Battery Cell	Charger	Mileage(km)*	Thumb Throttle
Mini-25052F	36V250W	Mini	36V5.2AH	DMeg	42V2A	20-60	N/A
Mini-25070F	36V250W	Mini	36V7.0AH	LG/Samsung	42V2A	28-85	N/A
Mini-35070F	36V350W	Mini	36V7.0AH	LG/Samsung	42V2A	28-85	Yes
Prime-25078F	36V250W	Prime	36V7.8AH	DMeg	42V3A	32-95	N/A
Prime-35078RF	36V350W	Prime	36V7.8AH	DMeg	42V3A	32-95	Yes
Prime-25100F	36V250W	Prime	36V10.0AH	LG/Samsung	42V3A	40-130	N/A
Prime-35100F	36V350W	Prime	36V10.0AH	LG/Samsung	42V3A	40-130	Yes
Solid-25100F	36V250W	Solid	36V10.0AH	LG/Samsung	42V3A	40-130	N/A
Solid-35100F	36V350W	Solid	36V10.0AH	LG/Samsung	42V3A	40-130	Yes
Max-25150F	36V250W	Max	36V15.0AH	LG/Samsung	42V3A	60-200	N/A
Max-35150F	36V350W	Max	36V15.0AH	LG/Samsung	42V3A	60-200	Yes
Max-50100F	48V500W	Max	48V10.0AH	LG/Samsung	54.6V3A	40-130	Yes
Pro-25150F	36V250W	Pro	36V15.0AH	LG/Samsung	42V3A	60-200	N/A
Pro-35150F	36V350W	Pro	36V15.0AH	LG/Samsung	42V3A	60-200	Yes
Pro-50100F	48V500W	Pro	48V10.0AH	LG/Samsung	54.6V3A	40-130	Yes
Ultra-25200RF	36V250W	Ultra	36V20.0AH	LG/Samsung	42V3A	80-260	N/A
Ultra-35200RF	36V350W	Ultra	36V20.0AH	LG/Samsung	42V3A	80-260	Yes
Ultra-50150F	48V500W	Ultra	48V15.0AH	LG/Samsung	54.6V3A	60-200	Yes
*Regarding the max. mileage, it is obtained under the following ideal conditions: flat road, no wind, 30 degrees Celsius, the rider’s weight is 60KG, the actual mileage will vary due to different conditions

Geeko Front Motors

Geeko Front Motor
Motor Model		MT-3625F	MT-3625FB(Brompton)	MT-3635F	MT-3635FB(Brompton)	MT-4850F
Power		250W	250W	350W	350W	500W
Rated Voltage(V)		36				48
RPM		290	350	350	400	450
Contruction		Gear Drive
Gear Ratio		4.33	12	4.33	12	4.33
Torque(NM)		38	38	40	40	48
Weight		2.5	2.1	2.5	2.1	3.3
Diameter(mm)		120	110	120	110	150
Efficiency(%)		＞80%
Cable & Connector		9 pins waterproof connector
PAS Sensor		N/A
Spoke Holes		36
Brake		Disc brake or V brake
Installation Width (mm/OLD)		100	74	100	74	100
Waterproof		IP65
Certificates		CE
Max. Speed (KM/H)	305-16″	18-20	22-24	22-24	25-27	28-31
	349-16″(Brompton)	20-22	24-26	24-26	27-30	32-35
	355-18″	20-22	24-26	24-26	27-30	32-35
	406-20″	22-24	27-30	27-30	31-34	35-38
	559-26″	29-32	N/A	35-40	N/A	45-49
	584-27.5″	31-34	N/A	37-42	N/A	48-53
	622-28“/29er-700C	32-35	N/A	39-44	N/A	50-55
*Regarding the maximum speed of the motor, it will fluctuate within a certain range as it is directly affected by battery power and load. The above range values are for reference only. A higher battery power or a smaller load will result in a higher maximum speed; conversely, a lower battery power or a larger load will lead to a lower maximum speed.

Geeko Bottles

Geeko Batteries

Model	Bottle Case	Capacity	Height(mm)	Diameter(mm)	Weight(kg)	Cell Type	Cell Brand
GB-36052-Mini-B3	Mini	36V 5.2AH	222.5	76	1.25	18650	DMEG
GB-36070-Mini-B3	Mini	36V 7.0AH	222.5	76	1.3	18650	LG/Samsung
GB-36100-Solid-B3	Solid	36V 10.0AH	222.5	87	1.75	21700	LG/Samsung
GB-36150-Pro-B3	Pro	36V 15.0AH	222.5	104	2.55	21700	LG/Samsung
GB-48100-Pro-B3	Pro	48V 10.0AH	222.5	104	2.3	21700	LG/Samsung
GB-36078-Prime-B3	Prime	36V 7.8AH	292.5	76	1.8	18650	DMEG
GB-36100-Prime-B3	Prime	36V 10.0AH	292.5	76	1.8	21700	LG/Samsung
GB-36150-Max-B3	Max	36V 15.0AH	292.5	87	2.55	21700	LG/Samsung
GB-48100-Max-B3	Max	48V 10.0AH	292.5	87	2.3	21700	LG/Samsung
GB-36200-Ultra-B3	Ultra	36V 20.0AH	292.5	104	3.65	21700	LG/Samsung
GB-48150-Ultra-B3	Ultra	48V 15.0AH	292.5	104	3.55	21700	LG/Samsung

Thumb Throttle(For 350W and 500W kit)

Items Weight

Items	Weight(KG)
Battery	Mini	1.3
	Solid	1.75
	Prime	1.8
	Max	2.55
Motor Wheel	250W	2.6
	350W	2.6
	500W	3.5
Controller	0.5
Charger	2A	0.42
Charger	3A	0.75
Thumb Throttle	0.1
Phone Holder	0.2

Package

Wheel	Package Size(CM)	Package Weight(KG)
20″	50X50X25	9
26″	60X60X25	9
27.5″	60X60X25	9
28″ / 29er /700C	64X64X25	9

Warranty

Items	Motor	Controller	Charger	Battery	Phone Holder
Warranty (Months)	24	24	24	12	3

After-Sale Service

Our goal is customer satisfaction!
After you received the goods, if you do not know how to use it, please feel freely to contact us, we will try our best to deal with all problems.
During the warranty period, if product parts have problem (like motor, controller, battery, charger, etc.), we will provide new parts for free(You need to provide strong evidence that shows these parts have been damaged), you only need to bear the freight. At the same time, we also can provide free technology consulting.
Within 5 days after you received the goods, if you find there are problem with goods, please contact us.

Local Dealer & Service

We have distributors in some countries or regions, so that you can receive our products faster and provide more timely and accurate after-sales service. Please contact us and we will recommend a suitable distributor to you.

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Geeko-Brompton

Geeko Front Motor & PAS Sensor

Default Droupout & Slot Width

Default Specifications

Customization Options

Zodiac – New generation of cadence sensors

Geeko Bottle

3 Bottles x 4 Colors

Bottle Bracket

Intelligent Display

Real-Time Monitoring

Operation Controls

APP

Controller

Modular Expansions

Accessories You May Need

Introduction Videos

Independent Reviews

"Geeko" Anywhere on Your Bike

Specifications & Manuals

Specifications

Geeko Kit Manual

APP Manual

Policies

Shipping

Warranty & Return

FAQ

Campaign & Rewards

Show Geeko, Get $50 Rewards

EU Warehouse & Accessories Pre-installation

Geeko-Front Kits

Geeko Front Motors

Geeko Bottles

Geeko Batteries

Thumb Throttle(For 350W and 500W kit)

Items Weight

Package

Warranty

After-Sale Service

Local Dealer & Service

Reviews

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