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Sierra Bike 18"
Bikes
Signature Custom Bikes Sierra Bike 18"
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The Sierra bike is designed to be our best 18" bike. From a replication of the Sergio Layos signature frame just adapted to fit perfectly on 7 to 12 year old riders with the full range of supported bike parts to get a complete top-range 18’’ machine straight out of the box.

• 100% Secure payment.
• Products in stock delivered in 24 hours to 7 working days.
• 100% plastic-free recyclable packaging.
• Easy Assembly.

Note: LHD (Left-Hand Drive) and RHD (Right-Hand Drive) refer to the side where the drivetrain is located to protect your chain & sprocket when you grind.
RHD: Riders that mostly grind with the pegs on the left side.
LHD: Riders that mostly grind with the pegs on the right side.

SPECIFICATIONS

Sierra Bike 18" Specs
  • Geometry:
  • TOP TUBE LENGTH
    18.7”
  • CHAINSTAYS LENGTH
    12.2”
  • 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
    Sierra 8" / Full 4130 CrMo
  • Grips
    Flybikes Ruben II Mini / 130mm 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
    None
  • Cranks
    Dolmen 155mm
  • Bottom Bracket
    Spanish / Sealed Bearing
  • Sprocket
    Tractor / CNC Machined / 6061-T6 Aluminum / 25T
  • Pedals
    Flybikes Ruben Graphite / Nylon - Fiberglass Compound
  • Chain
    Tractor / 4130 CrMo Heat Treated / Hollow Pins Chromium Treatment / 64 Links
  • Rims
    Trebol / Semi double wall / 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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