Fly Bikes Proton BMX Bike (Gloss Black / 21" / Cassette)

Fly Bikes Proton BMX Bike (Gloss Black / Cassette)

The Proton model is the mid-range BMX Bike that performs perfectly on streets but also on ramps. A resistant bike suitable for any purpose a rider could have.

• 100% CrMo Frame, Fork & Bars
  
• Front & rear sealed Hubs.
  
• Pegs and Hub Guards included.
  
• 3 Piece CrMo Crankset.
  
• Removable brake mounts.
  
• The option without brakes does not include any brake hardware.
  

GEOMETRY

• TOP TUBE LENGTH: 21”
  
• CHAIN STAY LENGTH: 13.2”
  
• HEAD TUBE ANGLE: 75º
• SEAT TUBE ANGLE: 71º
  
• BB HEIGHT: 11.75”
  
• STAND OVER HEIGHT: 9”
  
• FORK OFFSET: 27mm.
  
• BAR RISE: 9”
  
• BAR WIDTH: 29”
  
• BAR BACKSWEEP: 10º
  
• BAR UPSWEEP: 2º
  

SPECS

• Frame: Full 4130 CrMo / Removable Brake Mounts
  
• Fork: Integrated cone shape design / Full 4130 CrMo / 1 Piece Steer Tube
  
• Bars: Full 4130 CrMo
  
• Grips: Fly Devon / 160 mm Long
  
• Stem: Trebol Top Load / Forged / 6061-T6 Aluminum / 50mm
  
• Headset: Internal Sealed Bearing
  
• Lever: Generic Inged / Forged / 6061 T-6 Aluminum
  
• Brake: Trebol Springhanger / Forged / 6061 T-6 Aluminum
  
• Cranks: Trebol 3Pc / 4130 CrMo / 170 mm Arm Length
  
• Bottom Bracket: Mid / Sealed Bearing
  
• Sprocket: Trebol / CNC Machined / 6061-T6 Aluminum / 25T
  
• Pedals: Fly Ruben Graphite / Nylon - Fiberglass Compound
  
• Chain: 510 Type / 69 Links
  
• Rims: Trebol / Semi-double Walled / 6061-T6 Aluminum / 36H
  
• Front Hub: Trebol Male / Sealed Bearing / 10mm Male Axle / 36H
  
• Rear Hub: Trebol Male Cassette / Sealed Bearing / 14mm Male Axle / 36H / 9T
  
• Tires: Fly Fuego 2.30" Front & Rear / 60 TPI / 120 PSI
  
• Seat: Fly Proton Tripod / 100% Synthetic Leather / 25 mm Thickness
  
• Post: Trebol Tripod / Forged & CNC Machined / 6061-T6 Aluminum / 135 mm
  
• Pegs: Trebol HS Steel 1 Pair
  
• Weight (brakeless): 11.9 Kg. / 26.2 lb.