Drive type
Mid-drive
Motor at the bottom bracket. It uses the gears. The shell and frame matter.
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 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 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
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
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
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
add-e
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
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
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
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
Vivax
DiscontinuedVivax 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
EcoSpeed
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
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
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
Leon Cycle
Leon Cycle BBS02
Spanish distribution of a BBS02 configured for the European 250 W class.
250 WMid-drive25 km/h
Maker list
RevolutionWorks
RevolutionWorks mid-drive
UK retail mid-drive in the EAPC class.
250 WMid-drive25 km/h
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