Find a kit

Speed first. Part second. Maker if you already know the name.

Bike, region, drive

50 kits

add-e

add-e · 25 km/h

Maker list

Ananda mid-drive

Ananda · 25 km/h

Maker list

ARCC system

ARCC · 25 km/h

Maker list

Bafang BBS01

Bafang · 25 km/h

£799

Bafang BBS02B

Bafang · Off-road

US$499

Bafang BBSHD

Bafang · Off-road

US$695

Bafang M620 Ultra

Bafang · Off-road

Maker list

Bafang rear hub 250

Bafang · 25 km/h

Maker list

Bimotal Elevate

Bimotal · 20 mph

Maker list

BionX D-series

BionX · 25 km/h

Maker list

Copenhagen Wheel

Superpedestrian · 20 mph

Maker list

CYC Photon 2

CYC Motor · 25 km/h

US$950

CYC Photon Pro

CYC Motor · Off-road

US$1,098

CYC X1 Pro Gen 4

CYC Motor · Off-road

US$1,250

Cytronex

Cytronex · 25 km/h

Maker list

Dillenger mid-drive

Dillenger · 25 km/h

Maker list

EBC Tongsheng kit

Electric Bike Conversions · 25 km/h

Maker list

EbikeBC 500

EbikeBC · 32 km/h

Maker list

eBikeling 750

eBikeling · 20 mph

Maker list

EcoSpeed

EcoSpeed · Off-road

Maker list

EM3ev BBSHD kit

EM3ev · Off-road

Maker list

EV Solutions DirectPower

EV Solutions · 25 km/h

£1,495

Gboost

Gboost · 25 km/h

Maker list

GeoOrbital Wheel

GeoOrbital · 20 mph

Maker list

Grin GMAC

Grin Technologies · 32 km/h

Maker list

Heinzmann DirectPower

Heinzmann · 25 km/h

£1,495

HillTopper

HillTopper · 20 mph

Maker list

L-faster front hub

L-faster · Off-road

Maker list

Leon Cycle BBS02

Leon Cycle · 25 km/h

Maker list

Luna BBSHD kit

Luna Cycle · 28 mph

Maker list

Magic Pie

Golden Motor · Off-road

Maker list

Magnum conversion

Magnum · 20 mph

Maker list

MXUS XF19

MXUS · Off-road

Maker list

nano crank drive

nano · 25 km/h

Maker list

Pendix eDrive 300

Pendix · 25 km/h

€999

QS 205

QS Motor · Off-road

Maker list

RevolutionWorks mid-drive

RevolutionWorks · 25 km/h

Maker list

Ridekick

Ridekick · 20 mph

Maker list

Rubbee

Rubbee · 25 km/h

Maker list

Shengyi front hub

Shengyi · 25 km/h

Maker list

Skarper

Skarper · 25 km/h

Maker list

Swytch Kit

Swytch · 25 km/h

£359

Tongsheng TSDZ2B

Tongsheng · Off-road

US$331

ToSeven DM02

ToSeven · Off-road

Maker list

VEVOR 26-inch rear hub

VEVOR · Off-road

Maker list

Vivax Assist

Vivax · 25 km/h

Maker list

Voilamart rear hub

Voilamart · Off-road

Maker list

Woosh hub kit

Woosh · 25 km/h

Maker list

yescom hub kit

yescom · Off-road

Maker list

Zehus Bike+

Zehus · 25 km/h

Maker list

add-e

Austrian compact drive at the bottom bracket. It uses the chain you already have. Street class is 250 W.

250 WMid-drive25 km/h

Maker list

Ananda

Ananda mid-drive

Torque mid-drive from a factory supplier that also sells into the conversion trade. Street builds are 250 W.

250 WMid-drive25 km/h

Maker list

ARCC

ARCC system

British conversion system sold with a workshop network. Street class is 250 W and 15.5 mph.

250 WRear hub25 km/h

Maker list

Bafang

Bafang BBS01

The smaller Bafang cadence mid-drive. Sold in Britain in the 250–350 W hill-climbing class.

250 WMid-drive25 km/h

£799

Bafang

Bafang BBS02B

Cadence mid-drive, model M315. Commonly sold at 750 W, 100 Nm, about 4.3 kg. A 500 W version is also sold.

750 WMid-driveOff-road

US$499

Bafang

Bafang BBSHD

The heavy Bafang cadence mid-drive, model M615. 1000 W class, 160 Nm, about 5.6 kg. Also sold as a 750 W build.

1000 WMid-driveOff-road

US$695

Bafang

Bafang M620 Ultra

Torque-sensing Ultra mid-drive. 1000 W nominal, peak around 1500 W in retail listings, 160–170 Nm, about 6.7 kg.

1000 WMid-driveOff-road

Maker list

Bafang

Bafang rear hub 250

Geared rear hub in the 250 W, 25 km/h class. The motor bicycle brands use, sold as a conversion wheel.

250 WRear hub25 km/h

Maker list

Bimotal

Bimotal Elevate

US disk drive. It mounts at the rear brake and drives the rotor, so the wheel and the bottom bracket stay stock.

750 WDisk drive20 mph

Maker list

BionX

Discontinued

BionX D-series

Canadian all-in-one rear hub. The system that defined the category. Production ended.

250 WAll-in-one wheel25 km/h

Maker list

Superpedestrian

Discontinued

Copenhagen Wheel

All-in-one rear wheel from Cambridge, Massachusetts. Motor and battery inside the hub. Production has ended.

250 WAll-in-one wheel20 mph

Maker list

CYC Motor

CYC Photon 2

Light torque mid-drive. Rated 250 or 750 W, peak 2000 W, 135 Nm, 3.5 kg. Kit only — battery is extra.

250 WMid-drive25 km/h

US$950

CYC Motor

CYC Photon Pro

Off-road Photon. 3000 W, peak 4000 W, 180 Nm, 4.5 kg. Same shell family as Photon 2.

3000 WMid-driveOff-road

US$1,098

CYC Motor

CYC X1 Pro Gen 4

The large CYC mid-drive. 5000 W, peak 6000 W, 280 Nm, 5.6 kg.

5000 WMid-driveOff-road

US$1,250

Cytronex

British front-hub system. The motor is built into a wheel for the bike you already own. 250 W, about 198 Wh.

250 WFront hub25 km/h

Maker list

Dillenger

Dillenger mid-drive

Australian mid-drive conversion set up for the local 250 W, 25 km/h pedelec rule.

250 WMid-drive25 km/h

Maker list

Electric Bike Conversions

EBC Tongsheng kit

UK workshop listing of a Tongsheng torque mid-drive configured for British street use.

250 WMid-drive25 km/h

Maker list

EbikeBC

EbikeBC 500

Canadian hub kit in the federal 500 W class.

500 WRear hub32 km/h

Maker list

eBikeling

eBikeling 750

US rear-hub kit in the 750 W class used for Class 2 builds. Throttle is part of how these kits are sold.

750 WRear hub20 mph

Maker list

EcoSpeed

US mid-drive programme for cargo bikes, recumbents and touring frames that a normal kit will not fit.

1000 WMid-driveOff-road

Maker list

EM3ev

EM3ev BBSHD kit

A complete BBSHD build from a specialist kit maker: motor, named triangle pack and charger as one order.

1000 WMid-driveOff-road

Maker list

EV Solutions

EV Solutions DirectPower

The British front-hub fitting of a Heinzmann DirectPower motor.

250 WFront hub25 km/h

£1,495

Gboost

Compact European drive listed at 250 W with packs from about 251 to 441 Wh.

250 WFriction drive25 km/h

Maker list

GeoOrbital

GeoOrbital Wheel

A replacement front wheel with motor and battery in the wheel itself.

350 WAll-in-one wheel20 mph

Maker list

Grin Technologies

Grin GMAC

Geared rear hub from Vancouver. Built for kit builders who want a controllable motor and a documented controller.

500 WRear hub32 km/h

Maker list

Heinzmann

Heinzmann DirectPower

German hub system. British listings start at £1,495 for a DirectPower conversion.

250 WRear hub25 km/h

£1,495

HillTopper

American friction drive. A roller on the rear tyre, clamped near the seat stay.

750 WFriction drive20 mph

Maker list

L-faster

L-faster front hub

Budget front-hub kit sold worldwide. Treat the printed wattage as a seller claim until a manual names continuous power.

Power unstatedFront hubOff-road

Maker list

Leon Cycle

Leon Cycle BBS02

Spanish distribution of a BBS02 configured for the European 250 W class.

250 WMid-drive25 km/h

Maker list

Luna Cycle

Luna BBSHD kit

US-shop BBSHD kit aimed at riders building toward a Class 3 pedal-assist speed, with programming left to the buyer.

750 WMid-drive28 mph

Maker list

Golden Motor

Magic Pie

Direct-drive hub with the controller often inside the motor. A long-running cargo and touring kit, front or rear.

1000 WRear hubOff-road

Maker list

Magnum

Magnum conversion

US brand conversion in the 20 mph class.

750 WRear hub20 mph

Maker list

MXUS

MXUS XF19

3 kW-class direct-drive rear hub. A custom-build motor, not a 250 W wheel.

3000 WRear hubOff-road

Maker list

nano

nano crank drive

A small crank-area motor for city bikes that cannot take a full BBS unit.

250 WMid-drive25 km/h

Maker list

Pendix

Pendix eDrive 300

German gearless mid-drive on the non-drive crank. 250 W, battery included at about 330 Wh.

250 WMid-drive25 km/h

€999

QS Motor

QS 205

50 mm-class direct-drive hub used for fast cargo, trike and off-road conversions.

3000 WRear hubOff-road

Maker list

RevolutionWorks

RevolutionWorks mid-drive

UK retail mid-drive in the EAPC class.

250 WMid-drive25 km/h

Maker list

Ridekick

A push trailer. The motor and wheel live behind the bicycle and hitch to the seat post. Your wheels stay stock.

250 WTrailer20 mph

Maker list

Rubbee

Lithuanian friction drive. A powered roller presses the rear tyre. Lift it off and the bike is a bicycle again.

250 WFriction drive25 km/h

Maker list

Shengyi

Shengyi front hub

Geared front hub. The motor behind many rebranded 250 W front-wheel kits.

250 WFront hub25 km/h

Maker list

Skarper

British disk drive. The motor sits on the chainstay and drives the rear disc, not the tyre and not the bottom bracket. 250 W, about 240 Wh.

250 WDisk drive25 km/h

Maker list

Swytch

Swytch Kit

London front-hub conversion. 250 W, assistance to 25 km/h, with a small pack that rides on the handlebar or frame.

250 WFront hub25 km/h

£359

Tongsheng

Tongsheng TSDZ2B

Torque-sensing mid-drive. Kit listings at $331. Common voltage is 36 or 48 V. Rated watts were not in the price table used here.

Power unstatedMid-driveOff-road

US$331

ToSeven

ToSeven DM02

Torque mid-drive kit in the class above 250 W. Sold complete with display and hardware.

750 WMid-driveOff-road

Maker list

VEVOR

VEVOR 26-inch rear hub

Retail rear-hub kit in a 26-inch wheel. Sold as a complete-looking box. Continuous rating must be read off the listing you buy.

Power unstatedRear hubOff-road

Maker list

Vivax

Discontinued

Vivax Assist

The seat-tube motor. A slim drive hidden in the frame, geared to the crank. Kept so existing bikes can be identified.

250 WSeat-stay25 km/h

Maker list

Voilamart

Voilamart rear hub

Rear hub kit sold in several wheel sizes. Listings run from a 250 W street claim up to 1000 W and beyond. This record is the high-power listing.

1000 WRear hubOff-road

Maker list

Woosh

Woosh hub kit

British rear-hub conversion in the EAPC class, with workshop fitting available.

250 WRear hub25 km/h

Maker list

yescom

yescom hub kit

Marketplace hub kit. Power on the listing is a seller claim.

Power unstatedRear hubOff-road

Maker list

Zehus

Zehus Bike+

Italian all-in-one rear wheel. Motor, battery and electronics live inside the hub. 250 W, about 173 Wh. No downtube pack.

250 WAll-in-one wheel25 km/h

Maker list