This is the story of a guy that was getting tired of his bike due to intense lower back pain. After some research, he found that trikes could be the solution.
Here we go!
Bill of Materials (BOM)
|bearings||6903 front hubs||20€||2|
|square iron tube||40mm ext/1.5 thik||35€||4m|
|square iron tube||30mm ext/1.5 thik||32€||4m|
|arc welding stick||1.6 mm||50€||200|
|20" front wheel||disk hub||50€||2|
|26" rear wheel||7 speed+disk hub||60€||1|
|disk brake set||mechanical tektro||0€ (45€)||3|
|disk brake||160mm||0€ (30€)||3|
|20" tire||schwalbe marathon||0€ (40€)||2|
|26" tire||schwalbe marathon||0€ (30€)||1|
items @ 0€ come from recycled components real price in ()
Tips and tricks
- average welding current 45A
- paint often, it will avoid rust.
- Angle grinder
- Arc welding machine
- Metal saw