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Fly Sierra Bmx Bike 18" Black
BIKES
SIGNATURE BIKES Fly Sierra Bmx Bike 18" Black
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The Sierra bike is designed to be our fast and flowy bowl and Trails machine, for our youngest customers.This amazing bike is built from the original Sergio Layos signature Sierra 18” frame, Bars, and the Slim Aire seat. In addition to this, this bike comes with the full Volcano steering line: Volcano 25S stem, Volcano Headset, and Volcano 18" forks, along with the Dolmen 155mm Cranks, Tractor Chain, and 25 tooth Tractor TT CNC sprocket.
The Sierra bike is also stacked with Fuego tires and Ruben Alcantara signature grips & pedals and more making it a top of the line bike straight out of the box.

SPECIFICATIONS

  • Geometry:
  • TOP TUBE LENGTH
    18.7”
  • CHAIN STAY LENGTH
    11.6”
  • HEAD TUBE ANGLE
    75º
  • SEAT TUBE ANGLE
    71º
  • BB HEIGHT
    10.5”
  • STAND OVER HEIGHT
    8”
  • FORK OFFSET
    25mm.
  • BAR RISE
    8”
  • BAR WIDTH
    26”
  • BAR BACKSWEEP
    10º
  • BAR UPSWEEP
  • _
  • Specifications:
  • Frame
    Sierra / Full 4130 CrMo / Heat treated HS, BB / Invest Casting Heat Treated Dropouts / EBS brake system
  • Fork
    Volcano 18" / Full 4130 CrMo / 1 Piece Steerer Tube CNC / Heat Treated dropouts
  • Bars
    Full 4130 CrMo
  • Grips
    Flybikes Ruben / 135mm Long
  • Stem
    Fly Volcano S 25mm Rise / 45mm Reach / CNC Machined / 6061-T6 Aluminum
  • Headset
    Volcano 15 / Sealed Bearing / CNC Machined / 6061-T6 Aluminum
  • Lever
    None
  • Brake
    Nonce
  • Cranks
    Dolmen 155 mm. / 4130 CrMo / 2.5p Construction / 1p Invest Casting Arm
  • Bottom Bracket
    Spanish / Sealed Bearing
  • Sprocket
    Fly Tractor / CNC Machined / 7075-T6 Aluminum / 25T
  • Pedals
    Flybikes Ruben Graphite / Nylon - Fiberglass Compound
  • Chain
    Tractor / 4130 CrMo Heat Treated / Hollow Pins Chromium Treatment / 64 Links
  • Rims
    Trebol / Double Side Walled / 6061-T6 Aluminum / 36H
  • Front Hub
    Trebol Male Axle / Sealed Bearing / 3/8” mm. / 36H
  • Rear Hub
    Trebol Cassette 14mm. Male Axle / Sealed Bearing / 36H / 9t.
  • Tires
    Flybikes Fuego 18" x 2.2 Front & Rear / 60 TPI / 65 PSI
  • Seat
    Flybikes Aire Tripod / 100% Synthetic Leather / 7 mm Thickness
  • Post
    Fly Tripod / CNC Machined / 6061-T6 Aluminum / 135 mm Long
  • Weight
    8.9kg. / 19.6 Lb.
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