The Proton is Flybikes` best-selling model featuring 4130 CrMo frame, fork and bars. The 2018 Proton is a mid class complete bike with a geometry suited chiefly for street riding. The frame is equipped with completely removable brake hardware. If it`s still not enough for you to decide than have a look at list of some of the finest Flybikes and Trebol BMX parts this machine offers. Comes in two sweet colourways with RHD or LHD cassette hub ( black RHD, orange LHD) and RHD freecoaster (black).
| Frame material: | 4130 CrMo | 
| Top tube: | 21” | 
| Head tube: | 75° | 
| Seat tube: | 71° | 
| Chainstay: | 13.2” | 
| Standover: | 9” | 
| BB height: | 11.75" | 
| Fork: | 4130 CrMo, 32 mm offset | 
| Handlebar: | 4130 CrMo | 
| Handlebars rise: | 8.75" | 
| Handlebars width: | 29” | 
| Backsweep: | 10° | 
| Upsweep: | 2° | 
| Grips: | Flybikes Devon | 
| Stem: | Trebol Top load | 
| Headset: | integrated, sealed bearings | 
| Twister: | not included, gyro tab holes | 
| Brake lever: | Flybikes Manual | 
| Brake: | Flybikes Manual Springhanger | 
| Brake hardware: | completely removable | 
| Cranks: | 3pc CrMo hollow, 8 spline spindle, 175 mm | 
| Bottom Bracket: | MID BB, sealed bearings | 
| Pedals: | Ruben Graphite | 
| Chain: | 410 Type | 
| Sprocket: | Trebol, alloy, 25 T | 
| Driver: | 1pc, Sealed bearings, 9T | 
| Front hub: | Trebol Bueno, female axle, sealed bearings | 
| Rear hub: | Trebol Freecoaster, sealed bearings, 14 mm axle, 9T driver | 
| Front rim: | Trebol, double wall, 36H | 
| Rear rim: | Trebol, double wall, 36H | 
| Front tire: | Trebol 2.35" | 
| Rear tire: | Trebol 2.35" | 
| Seat: | Flybikes Proton, Tripod | 
| Seat post: | Trebol Tripod | 
| Seat clamp: | integrated | 
| Pegs: | Trebol HS, steel, 1 pair | 
| Weight: | 11.2 kg | 
| Colour: | Black | 
| Wheels size: | 20" |