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Picture of Fat & small wheel bicycle
1320795355935_75jdai.jpg
I built the bicycle from a used childen bicycle fame, and repainted in black. The two wheels are small and fat trolley tyres. And I redesigned the brake system.
 
rooney3212 years ago
How did you mate a sprocket to the wheels? Can you publish the full instructions?
How is the gearing? Part of the mechanics of gearing on normal bike tires is size of the wheel itself. Those small wheels will have to spin 3 times as fast as normal wheels. Not much use if you have to peddle faster than you would walk.
Eeropei (author)  mr.incredible2 years ago
yeh, it is really not so fast, but must faster than walk
scoot4402 years ago
Cool bike! Can you share some of the modifications you made to adapt the small wheels?
Eeropei (author)  scoot4402 years ago
Thx! :) I will reply some pics to you later.
Kiteman2 years ago
It doesn't look easy to ride...

Hang on, does the back brake grip the tyre??
Eeropei (author)  Kiteman2 years ago
I am 175cm, 80kg, it is easy for me to ride

Yes, the back one is solid tyre.