Motorized Bicycle Questions
General Questions
General motorized bicycle questions and answers.
- Threads
- 7,142
- Messages
- 71,143
2-Stroke Engines
Questions about 2-Stroke motorized bike engines.
- Threads
- 4,702
- Messages
- 49,785
Transmission / Drivetrain
Clutch, sprockets, jackshafts, chains, tensioners, pull start, centrifugal, gear ratios, ect.
- Threads
- 1,242
- Messages
- 11,434
Electrical
CDI, wiring, magneto, head lights, tail lights, indicators, horns, charging systems, speedos ect.
- Threads
- 629
- Messages
- 7,608
Performance Mods
Performance carbs, porting, exhausts, expansion chambers, reed valves, boost bottles, ect.
- Threads
- 989
- Messages
- 15,716
4-Stroke Engines
Questions about 4-Stroke motorized bike engines. Honda, Robin Subaru, EZM, DAX, HuaSheng ect.
- Threads
- 1,142
- Messages
- 13,204
Electric Bicycles
Electric bike builds, commercial kits.
- Threads
- 522
- Messages
- 6,143
Projects
Photos & Bicycle Builds
Pictures of motorized bike projects and bike builds.
- Threads
- 2,232
- Messages
- 25,884
Video Gallery
Post your motorized bike videos here. You can embed youtube videos using the insert video icon.
- Threads
- 317
- Messages
- 1,194
- mbut'e mandingo
Frame Mounted Engines
Mounting engines in a bike frame. Brackets, mounting and frame questions. Will the motor fit?
- Threads
- 1,232
- Messages
- 12,345
Rack Mounted Engines
Mounting engines on a rack behind the bike, GEBE ect.
- Threads
- 565
- Messages
- 8,693
Friction Drive
Questions and answers about friction drive bicycle systems. Rollers, tires and gear ratio discussion.
- Threads
- 389
- Messages
- 5,121
Painting, Welding, Bending and Gas Tanks
Painting motorized bike frames and engines. Welding and bending bike frames. Airbrushing and decals. Gas tank fabrication.
- Threads
- 231
- Messages
- 2,615
Motorized Trikes
Questions and answers about motorized tricycles .
- Threads
- 198
- Messages
- 2,680
Push Trailers
Motorized push trailers to propel your bicycle
- Threads
- 109
- Messages
- 1,493
Bicycle Trailers
Tow behind bicycle trailers
- Threads
- 32
- Messages
- 325
Whizzer Motorized Bicycles
Questions and answers about Whizzer motorized bikes
- Threads
- 1,126
- Messages
- 10,382
Antique Motorized Bicycles
Antique Motorized Bicycles, Old Motorcycles, Board Track Racers and Replicas.
- Threads
- 310
- Messages
- 2,985
Bicycle Repair
Brakes, Tires, Tubes, Wheels, Bearings, Spokes, ect.
- Threads
- 814
- Messages
- 6,931
Marketplace
For Sale
The trading place to sell your motorized bicycles and parts.
- Threads
- 2,085
- Messages
- 9,094
Dealer Advertisements
Motorized bicycle dealer parts, products and specials.
- Threads
- 290
- Messages
- 3,424
Dealer Reviews
Reviews and ratings of all the well known motorized bicycle engine kit dealers and parts suppliers.
- Threads
- 324
- Messages
- 4,674
Spare Parts, Tools & Product Developement
Miscellaneous motorized bicycle parts, special tools and product development.
- Threads
- 1,089
- Messages
- 9,928
Community
Introduce Yourself
New motorized bicycle forum members tell us a bit about yourself!
- Threads
- 8,920
- Messages
- 43,145
Laws, Legislation & Emissions
Motorized bicycle laws in countries around the world.
- Threads
- 649
- Messages
- 11,331
Races, Events & Group Rides
Motorized bike racing, events and group rides. Meet up and ride with local members.
- Threads
- 503
- Messages
- 6,491
Travelling, Commuting & Safety
Share your motorized bike rides, adventures, experiences, crashes and safety tips.
- Threads
- 433
- Messages
- 8,580
Stolen Bicycles & Security
Announce your stolen motorized bicycle so other members can track it down.
- Threads
- 128
- Messages
- 1,349
- Threads
- 289
- Messages
- 2,689
Latest posts
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disc brakes on grubee GT2A frame. Do i need a specific rotor size?- Latest: FurryOnTheInside
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