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Motorized Bicycle Forums
General Discussion
The motorized bicycle forum for general discussion, questions and help. Ask your motorized bicycle questions here. If you don't know where it goes, post here!
- Threads
- 8K
- Messages
- 81.4K
2-Stroke Engines
The 2-Stroke motorized bicycle engine kit forum. Why won't your 2-stroke motorized bike engine start? What's the best 66cc & 80cc engine kit for your bike?
- Threads
- 5.2K
- Messages
- 57.7K
Transmission / Drivetrain
Motorized bicycle clutch, sprockets, jackshafts, chains, tensioners, pull start, centrifugal, gear ratios and everything else.
- Threads
- 1.4K
- Messages
- 12.8K
Electrical
Motorized bicycle CDI, wiring, magneto, head lights, tail lights, indicators, horns, charging systems, speedos ect.
- Threads
- 702
- Messages
- 8.4K
Performance Mods
Motorized bicycle performance modifications. Carbs, porting, exhausts, expansion chambers, reed valves, boost bottles and everything to make your motorized bicycle go really fast.
- Threads
- 1.1K
- Messages
- 17.6K
4-Stroke Engines
Questions about 4-Stroke motorized bicycle engines. Honda, Robin Subaru, EZM, DAX, HuaSheng ect.
- Threads
- 1.3K
- Messages
- 16K
Electric Bicycles
Electric bicycle forum, ebike kits, commercial ebikes and DIY electric bicycles.
- Threads
- 565
- Messages
- 6.9K
- Julius
Projects
Photos & Bicycle Builds
Pictures of motorized bike projects and bike builds.
- Threads
- 2.3K
- Messages
- 28.2K
Video Gallery
Post your motorized bike videos here. You can embed youtube videos using the insert video icon.
- Threads
- 333
- Messages
- 1.3K
Frame Mounted Engines
Mounting engines in a bike frame. Brackets, mounting and frame questions. Will the motor fit?
- Threads
- 1.2K
- Messages
- 12.4K
Rack Mounted Engines
Mounting engines on a rack behind the bike, GEBE ect.
- Threads
- 572
- Messages
- 8.9K
- King James
Friction Drive
Questions and answers about friction drive bicycle systems. Rollers, tires and gear ratio discussion.
- Threads
- 411
- Messages
- 5.4K
Painting, Welding, Bending and Gas Tanks
Painting motorized bike frames and engines. Welding and bending bike frames. Airbrushing and decals. Gas tank fabrication.
- Threads
- 238
- Messages
- 2.7K
Motorized Trikes & Quads
Motorized tricycle and quadricycle forum (3 wheels and more).
- Threads
- 207
- Messages
- 2.8K
Motorized Recumbents
Recumbent motorized bicycle forum.
- Threads
- 73
- Messages
- 904
Push Trailers
Motorized push trailers to propel your bicycle.
- Threads
- 109
- Messages
- 1.5K
- Zekenoscooter
Bicycle Trailers
Tow behind bicycle trailers
- Threads
- 34
- Messages
- 351
Whizzer Motorized Bicycles
Questions and answers about Whizzer motorized bikes.
- Threads
- 1.2K
- Messages
- 10.6K
Antique Motorized Bicycles
Antique Motorized Bicycles, Old Motorcycles, Board Track Racers and Replicas.
- Threads
- 318
- Messages
- 3.1K
Bicycle Repair
Brakes, Tires, Tubes, Wheels, Bearings, Spokes, ect.
- Threads
- 836
- Messages
- 7.1K
Marketplace
For Sale
Motorized Bicycles & Parts For Sale. Post links to eBay Auctions or Craig's List ads or upload photos to the forum. Found a bargain that others may be interested in? Post it here!
- Threads
- 2.3K
- Messages
- 9.5K
Dealer Advertisements
Motorized bicycle dealer parts, products and specials.
- Threads
- 302
- Messages
- 3.5K
Dealer Reviews
Reviews and ratings of all the well known motorized bicycle engine kit dealers and parts suppliers.
- Threads
- 341
- Messages
- 5.3K
- Guest-385037
Spare Parts, Tools & Product Developement
Miscellaneous motorized bicycle parts, special tools and product development.
- Threads
- 1.1K
- Messages
- 9.7K
Community
Introduce Yourself
New motorized bicycle forum members tell us a bit about yourself!
- Threads
- 9K
- Messages
- 43.5K
Laws, License & Registration
Motorized bicycle laws and legislation. Find out if motorized bicycles are legal in your state. Find out the age limit to ride them and if you need a license or registration to ride them on the road.
- Threads
- 664
- Messages
- 10.7K
Races, Events & Group Rides
Motorized bike racing, events and group rides. Meet up and ride with local members.
- Threads
- 513
- Messages
- 6.7K
Travelling, Commuting & Safety
Share your motorized bike rides, adventures, experiences, crashes and safety tips.
- Threads
- 442
- Messages
- 8.7K
Stolen Bicycles & Security
Announce your stolen motorized bicycle so other members can track it down.
- Threads
- 131
- Messages
- 1.4K
Forum Help & Suggestions
Do you have a problem with the forum or maybe a suggestion as to how we can make this place even better? Please post it here.
- Threads
- 293
- Messages
- 2.8K
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We thank you all for your on going support.