Hi, I could finally finish the bike feels pretty awesome so here it is: 
 
 
 
 
 
 
 
 
 
 
 
 
Hope you like it, 'cause I do haha 
 
And here is a video of the rear brake noise: LOUD  
 
 
 
EDIT: 
Frame and Forks 
- Frame: Zoo Piranha 09 
- Forks: Echo Urban 
Wheels 
- Front hub: Shimano 
- Rear hub: Echo tr 
- Front rim: jetset  
- Rear rim: echo sl 
- Rim tape: echo 
- Front tyre: maxxis highroller 
- Rear tyre: tioga white tiger 
Brakes 
- Front brake: Shimano v-brake, avid lever, homemade pads 
- Rear brake: Echo sl old model I think, heatsink pads 
Drivetrain 
- Cranks: Echo TR, 170 taper 
- Freewheel: Echo tr  
- Chain: kool chain 
- Rear Sprocket: Echo TR 15T Screw On 
- Pedals: welgo 
- Bottom bracket: VP 
- Bashring: Bionic cuted down 
Steering 
- Headset: Neco 
- Stem: Trialtech sport 
- Grips: tioga rubber 
- Handlebars: Tryall elite 
Weight: 9kg