Best Umbau E Bike 2026

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Last Updated - 22.07.2026

Best Choice

01

YOSE POWER

YOSE POWER Ebike Conversion Kit 36 V 350 W 27.5 Inch Rear Motor Electric Bicycle Conversion Kit 27.5 Inch for Screw Sprocket Freewheel with Integrated Controller 36 V 13 Ah Battery

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9.8

Exceptional

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Main highlights

Speed and safety: Max speed approx. 30-32 km/h. Fixed speed ensures stability and safety on fast driving. The brake lever ensures that you disconnect the power supply when braking. Provides a safe and pleasant driving experience. The LCD display provides basic information for the driver. Has 5 servo support levels.
Installation instructions: suitable for city bikes, touring bikes, commuter bikes and mountain bikes. The set does not fit "Hollowtech II" and hydraulic brake. Complete accessories, installation video, German-English bilingual manual. It can be perfectly installed within one hour.
Certificate: CE, RoHS certification. All kits have been fully tested before leaving the factory and are qualified for delivery. Motor: 18 months warranty. Accessories: 12 months warranty. From date of purchase 30 days no reason to return.
AKM 350 W brushless motor: Yosepower conversion kit is brushless gear motor powered, low noise, with a winning reputation in terms of performance and durability. You can easily cross any difficult terrain and reach your destination while you enjoy the journey. Very suitable for everyday use, the way to work and longer day trips.
3 working modes: Pure electric mode – when the servo support is 1, turn the throttle lever to achieve acceleration. The more the turn, the faster the speed. Pedal assistance mode - When the speedometer shows 1-5 speeds, the higher the gear, the less effort required. If you do not turn on the power mode, it is like a normal bike. So every ride with the e-trekking bike becomes a pleasure

419,00 €
Value for Money

02

BAFANG

BAFANG E-Bike mid-motor conversion kit BBS01B BBS02B BBS-HD, mid drive motor kit with optional battery and display, DIY conversion kit for bottom bracket 68-73/100/120 mm

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9.6

Exceptional

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[ High Compatibility for Various Bike Types ] Designed for JIS standard bottom bracket (68-73mm, 85-105mm or 105-125mm length at 33.5-36mm inner diameter). Only suitable for bicycles with chain drive and disc brakes or V-brakes, not suitable for carbon frames or bicycles with backpedal brake. Supports pedal support, throttle grip and push aid and can be used with matching bottom bracket dimensions on standard, reclining and cargo wheels
[ Complete Bafang Mid Motor Conversion Kit - No Additional Parts Needed] This Bafang E Bike Kit / Mid Motor Conversion Kit Includes Mid Motor, Optional LCD Display and Battery, Chainring, Crank Arms, Thumb Gas, Brake Levers or Sensors, Speed Sensor, Waterproof 1T4 Wiring Harness, Front Light, Crank Puller, Bottom Bracket Tool, Engine Key and Mounting Hardware - Ideal as an E Bike Conversion Kit Mid Motor or Bafang UmKit with battery
Powerful motor for different requirements: This Bafang mid-motor kit offers several options: BBS01B (80Nm), BBS02B (120Nm) and BBS-HD (160Nm). The high-torque system ensures strong climbing ability, even acceleration and efficient power transmission for commuting, off-road and long distances
Flexible battery options and size note: Choose between 36 V, 48 V or 52 V batteries with capacities of 10.4 Ah, 13 Ah, 16 Ah, 20 Ah, 24 Ah, 25 Ah and 30 Ah as well as pannier rack batteries (18.2 Ah and 20.8 Ah). Higher capacity batteries offer a wider range, but also have larger dimensions. If you choose 20Ah or more, please check carefully whether the battery size fits your bike frame
Easy DIY installation: With basic tools and online instructions, this Bafang mid-motor conversion kit is relatively easy to assemble. So you can quickly convert your existing bike into a powerful e-bike with a mid-motor - ideal for DIY conversions and custom e-bike projects
Can protocol motor with direct programming: The Bafang BBS01B, BBS02B and BBS-HD motors with CAN protocol allow settings without USB programming cable. Acceleration, starting angle, speed and current limits can be adjusted directly. DPC010, DPC080, EKD01, VD04 or the VD18MT touch display via display or app are suitable for programming. VD03 and VD618 serve as standard displays

355,06 €
03

TTISJHK

E-Bike Conversion Kit 24 V 250 W with Brush Motor and Controller, Electric Bicycle Conversion Kit Complete Set with LED Display, Chain, Sprocket & Handles for Mountain Bike, City Bike

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9.5

Excellent

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Main highlights

Safe & Reliable - With 21V undervoltage protection on the controller and IP54 protection class of the motor. Provides effective protection against overload, dust and splashes of water for more safety in everyday life.
Powerful drive - 24V 250W pure copper brush motor with 3300 rpm and 0.9N.M torque. Provides powerful support on various road conditions and increases driving comfort.
High Load Capacity & Stability - Durable iron and copper construction with electroplated surface. Load capacity up to 120 kg, corrosion-resistant, rust-proof and durable for daily use.
EASY SPEED CONTROL - Infinitely adjustable thumb throttle with LED battery indicator to monitor the charge level. Flexible controllable and ideal for commuters, students & delivery services.
COMPLETE KIT - Includes motor, controller, LED indicator handles, chain, sprocket, triangle plate, keys & accessories. All in one package, no additional accessories needed - ready to use.

54,50 €
04

Season

Season Conversion Kit for E Bike 36 V 250 W 28-Inch Motor Ebike Front Motor for Electric Bicycle with LCD

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9.4

Excellent

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Main highlights

Please note: This item does not contain a battery. The image is only displayed as a connection method.
Max. speed: approx. 25 km / hr. You can no longer increase the maximum speed.
Features: 36 V 250 W 28-inch brushless and gearless motor, lightweight, low noise, fluid operation, long life.
Easy to assemble: all accessories and tools as shown in the picture are included.
Certificates: ROSH / CE. -

246,90 €
05

YISSALE

Yissale E-Bike Conversion Kit 20 Inch Front Wheel 48 V 1000 W

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9.3

Excellent

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Main highlights

Powerful 48 V 1000 W hub motor for terrain Powerful brushless front motor for high acceleration and strong support on forest paths, dirt roads and uneven terrain.
Ideal for off-road and private terrain. Designed for use off public roads, e.g. on private grounds, farms, race tracks or off-road trails.
Easy conversion to electric terrain bike. Quick assembly on the front wheel allows you to convert a normal bike into a powerful electric bike for demanding terrain.
Compatible with V-brake and disc brake. Suitable for front forks with 100 mm installation width, suitable for bicycles with 20 inch front wheel.
COMPLETE CONVERSION KIT WITH CONTROLLER & PAS Includes powerful controller, thumb throttle and pedal support sensor for flexible driving modes depending on the area of application.

134,69 €
06

FUNYSF

Electric Rear Wheel Conversion Kit, 1500 W, 48 V, 26 Inch with LCD Control Panel, E-Bike Retrofit Kit for Bicycles, Complete Conversion Kit, Stable and Durable for City & Tour

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9.2

Excellent

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Main highlights

TWO TYPES OF HANDLEBAR This bike conversion kit comes with two types of handlebars. In addition to the normal handlebar, there is also a switchable brake handle that offers you a double safety guarantee.
Powerful Controller This product is equipped with a powerful controller, which is the brain of the electric bike and ensures the smooth operation of the other components. It can help you drive, double the distance and make driving easier!
High Quality Material The motorcycle is made of high quality aluminum, which is strong and durable. Each part of the conversion kit is well made, which makes it safe and durable.

185,00 €
07

Bathrena

1500W 48V Electric Bicycle Conversion Kit - Rear Wheel - Ebike Electric Bicycle Conversion Kit - 500 rpm/min - with 7-Speed Flywheel & LCD Display, Batteries Not Included (26 Inches)

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9.1

Excellent

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Main highlights

SMART CONTROLLER FOR DOUBLE RANGE: Our electric bike conversion kit features a precise 48V sine wave controller for optimal control of all components. Mountain biking is child's play - even slopes can be easily managed
High-quality e-bike conversion kit with 1500 W motor: equipped with a quiet brushless toothed belt motor (1500 W) for powerful acceleration and up to 55 km/h top speed* - ideal for sporty riders who appreciate long-lasting performance without noise pollution. (*Idle speed)
DOUBLE SAFETY SYSTEM WITH 2 HANDLEBAR OPTIONS: Choose between standard handlebars or shut-off brake lever with emergency stop function - perfect for city cruising or off-road adventures. Both variants offer ergonomic grip and double safety thanks to immediate braking
Complete set for 15-minute assembly: includes tool kit, step-by-step video instructions and TÜV-approved components. The e-bike conversion kit fits 99% of all standard bicycles (26 - 29 inches/700C) - turn your bike into a road-approved e-bike in <72 hours
CLEAR LCD DISPLAY WITH DRIVING PROFILE CONTROL: The waterproof 4-inch display shows real-time data such as speed, mileage and battery level. Adjust between 5 support levels via touch buttons - for tailor-made tours from everyday routes to high-speed experiences

253,00 €
08

GramStudio

GramStudio 26 Inch Ebike Conversion Kit, 48 V 1000 W E-Bike Front Wheel Conversion Kit, Electric Bicycle Retrofit Kit, 440 RPM, 55 km/h, 45 N. M, Brushless Motor (Tyres Not Included)

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Labor Saving The 45Nm torque of the motor and the 1:1 boost sensor help you save more work when climbing, so you can ride effortlessly.
High Speed The idle speed of the motor of 34.17MPH (55km/h) gives you plenty of power and high cruising speed for a windy ride.
HIGH QUALITY MATERIALS The spokes of the wheels are made of high quality 45 steel and the rims are made of aluminum-magnesium alloy. These strong, shock-resistant and corrosion-resistant materials ensure excellent durability of this wheel.
EFFICIENT AND ENERGY SAVING: With a motor efficiency of 82% or more and a power of 1000 watts, the kit offers high performance while saving electricity.
BRUSHLESS MOTOR: Our kit uses an upgraded brushless motor that runs quieter and quieter than a brush motor and thus provides constant performance for the bike. In addition, brushless motors do not need to replace the brushes, which makes maintenance easier.

179,99 €
09

SuhoFutus

SuhoFutus Ebike Kit, 24 Inch Ebike Conversion Kit, E-Bike Front Wheel Conversion Kit, Bicycle Motor Kit with Brushless Gear Motor 500 W, 5-Speed Gear Adjustment, Applicable to V Brake/Disc Brake

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Safety and reliability: the emergency shut-off mechanism on the brake levers stops the engine in case of sudden braking. The waterproof controller bag and the dual hall effect controller guarantee stable operation even in the rain - perfect for the everyday e-bike conversion kit.
Robust aluminium construction: the 24 inch front wheel motor made of aluminium alloy can withstand up to 120 kg load and is rustproof. Thanks to universal compatibility with disc or V-brakes, the e-bike conversion kit is suitable for most bicycle models.
Intuitive control and complete set: includes display, pedal assistance sensor (PAS) and 5-speed adjustment for individual adjustment. The cruise function (2-3 seconds hold) and the compatible brake support (V-brake/disc) make this e-bike conversion kit particularly user-friendly.
Complete set: the complete set contains all parts for front wheel assembly (excluding battery/tyre). The clear indicator shows battery status, speed and mileage - ideal for long tours. Enjoy driving fun without compromising with this durable e-bike conversion kit
500W Powerful Motor: This bicycle conversion kit comes with a brushless 500W gear motor, which can reach a top speed of 30-35 km/h; compared to brush motors, it runs quieter, and the maintenance costs are lower. This makes it easy to transform your normal bike into a powerful electric bike that is ideal for commuting to work and for leisure rides.

179,00 €
10

RiToEasysports

Bike Motor Controller Kit, 24 V 1000 W Bicycle Brushed Motor Controller with Twist Throttle Handle Keys Electric Bicycle Conversion Kit

10% Off

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Twist Throttle Handle The twist throttle handle is suitable for lithium batteries, water batteries, dry batteries and other batteries. Applicable voltage is 12V to 99V.
Stable and Reliable The bicycle brush motor controller has multiple protection functions such as under voltage protection, over-current protection, blocking protection, etc., to ensure the use and safety of electric bicycles.
Heat Dissipation Controller Case The controller case is made of aluminum alloy, which has excellent heat dissipation and avoids thermal overload and can protect the internal circuit.
Applications The brushed engine control unit and throttle grip set are suitable for modification of electric bicycles, scooters, tricycles and other electric bicycles.
24V 1000W Brushed Motor Controller: The modified brushed motor controller for electric bicycles provides stable speed and sensitive control of braking and change of direction.

44,42 € 49,29 €(10% Off off)