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.

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 EnginesSells motorized bicycle engine kits including Stage III and Grubee 4G.

Rhoades CarElectric 4-wheelers include the Go Boy for industrial use.

Kings MotorbikesOffers 2 and 4 stroke motorized bicycle engine kits and parts.

BatteryspaceDIY kits, NiMH & lithium packs for electric bikes.

New Belgium BreweryCan’t have bikes without beer!

ZoombicyclesElectric bikes and scooters and gas engine kits.

MFG Supply Go Kart Partsengines, clutches, & more. Also lawn mower & ATV parts.

Small PlanetGas 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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