Do-It-Yourself kits come in electric and gas configurations enabling bicyclists to power existing bikes. For reviews, check Endless Sphere for electric or MotoredBikes.com for gas.
Featured Kit
U.S Electric Kits
E-BikeKit – Geared or direct drive hub motor kits with traditional SLA pack.
BionX – New goodies from Canada- hub motors with Lithium pack assortment.
Leed – A variety of hub motor kits including Samsung lithium packs.
Ezee – Provides bikes, trikes and kits internationally.
Yamaha – The mid-drive is the future of e-bikes.
Clean Republic – Quick install kits with lightweight lithium pack.
GeoOrbital – Very interesting design here with a stationary hub.
Ridekick – DIY in 10 minutes with the Ridekick trailer.
Ecospeed – Recumbent chain drive and conversion kits for uprights, trikes, and cargo bikes.
Heinzmann – E-bike veterans with advanced hub motors.
Superpedestrian – The Copenhagen Wheel is an all in one, wireless power addition.
FlyKly – Wireless controlled hub motor kit with internal battery pack.
Electron Wheel – Another self-contained hub motor wheel by Currie.
Falcon EV – Hub motor e-bikes and lithium batteries.
Thunderstruck – Offers a couple reasonably priced kits.
eCo Wheelz Electric Bikes – Features I-Zip, Greenline, X-Treme and DIY kits in Plymouth, MI
Rabbit Tool – Electric hub motors with NiMH packs and a Sanyo partnership.
GoCarLite – Amped Bikes Hub motor kits and LiFePO packs in CA.
Largo Scooters – Sells turnkey version of Crystalyte hub motor in NY.
Nycewheels – Sells a variety of hub motor kits.
EV Deals – Offers Go-Hub and Currie kits in Plainville.
Electric Rider – distributor and service center for Crystalyte Phoenix, RoadRunner and Sparrow hub motors in Kansas.
Electric Cyclery – California retailer sells BionX and Tidalforce kit.
Australia
Only Online Electric Bikes – E-bikes and conversion kits with hub motors and Lithium packs.
Hyena Electric – Features the Hadron 4000W offroad bike.
DLM Energy – Crystalyte in Australia and many Lithium packs.
China
Crystalyte – Front and rear hub-motor bikes and DIY kits from China.
Golden Island Machinery Ltd. – Sells inexpensive hub motors, DIY kits and bikes.
Elebike – Various hub motors, including a geared hub motor.
Cyclone – Electric motor powers chain.
U.S. Gas Kits
Bicycle-Engines.com – Frame mounted, gas powered conversion kits.
Kings Motorbikes -Offers 2 and 4 stroke motorized bicycle engine kits and parts.
Piston Bikes – Various engine kits, engine parts and bike parts.
Bikeberry – Inexpensive cruiser/engine DIY combos with install DVD.
Zoombicycles – Electric bikes and scooters and gas engine kits.
Gasbike.net – Two and four-stroke kits and cruisers for the mounting.
Bikebug – Made in USA with electric start.
Flmotorbikes – Friction drive kit with Honda 4 stroke.
Island Hopper – Gas and electric DIY friction kits.
Staton, Inc. – Sells gas and electric motors and parts.
Five Flags – Gas powered and Wilderness Energy kits in Florida
Zone 8 Cycling – 40 and 80cc DIY kits.
MFG Supply Go Kart Parts – engines, clutches, & more. Also lawn mower & ATV parts.
Grainger – Gearmotors for gearheads!
Spooky Tooth Cycles – Gas & Electric powered bikes and DIY kits currently in transition to new owners.
Canada
BionX – Variety of hub motors with various Lithium packs.
It’s Electric – Canadian vendor of W.E. Kits and accessories.
E-bikes Canada – Hub motors in Vancouver.
JV Bike – Vancouver dealer of Crystalyte, Bionx, and more.
Europe
Electragil – Unique kits with crank drive in Germany.
Nano – What’s not to love about the Nano conversion on the Bompton with LiPo and a bit of tea!
e-Go – All over Europe with the unique Helio Cycle.
Electro-Drive – UK vendor of Currie kits and bikes.
Velectris – French vendor of advanced hub motor and LiPo packs..
Lohmeyer – A fast chain drive from Germany.
B-P Sponsors
E-BikeKit – Hub motor kits with LiFePo battery pack option.
Bicycle Engines – Sells motorized bicycle engine kits including Stage III and Grubee 4G.
Rhoades Car – Electric 4-wheelers include the Go Boy for industrial use.
Kings Motorbikes – Offers 2 and 4 stroke motorized bicycle engine kits and parts.
Batteryspace – DIY kits, NiMH & lithium packs for electric bikes.
New Belgium Brewery – Can’t have bikes without beer!
Zoombicycles – Electric bikes and scooters and gas engine kits.
MFG Supply Go Kart Parts – engines, clutches, & more. Also lawn mower & ATV parts.
Small Planet – Gas and electric bikes and scooters, including the new Sanyo Eneloop.

Electric-Assist commuting in the streets of New York

Paul Joseph Brown/Seattle Post-Intelligencer

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