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Sierra Bike
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NEW VERSIONS:
Pro Team: Magneto Wheels, Volcano Forks, Dolmen Cranks, Sig. Bars
Pro: Trebol Piramide Wheels, CrMo Forks, 48 spline Cranks, CrMo Bars

NOTE: The bike shown in the photos is the Pro Team version, the same setup our Fly team rides. A more affordable Pro version with different specs is also available. Check the specs for full info.

Price for individual parts purchase: $1.950€ (Team version)
Order: You save $490€ (25% saving)
Preorder: You save $782€ (40% saving)

• Delivered in 24 hours to 7 working days.
• 100% Secure payment.
• Easy Assembly with our 100% plastic-free recyclable packaging.

The new Fly Sierra bike is designed to be our fast and flowy bowl and trails machine, and now we have added the option of Magneto wheels to offer exactly the same bike that Sergio Layos and Josh Dove ride! It is built from an aftermarket Sierra frame, bars, and seat, all signed by Sergio. In addition, it's equipped with a full Ruben Alcantara signed line and Volcano steering parts. The Sierra Bike is a top-of-the-line transition trails bike.

Signature bikes are fully customizable. Select the options that best suit your preferences, and if something else catches your eye:
1. Choose the options that align with your preferences and simply mention the desired change in the comments section during checkout.
2. The option will be applied if it´s available at the time of purchase.
3. If the chosen part has a higher price, you’ll receive a payment link by email. No refunds for products with lower price.

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.

Disclaimer: Due to supply-chain issues or shipping delays, specs are subject to change without notice. The swap part will always be similar model with the same or even higher quality.

SPECIFICATIONS

Sierra Bike Specs
  • GEOMETRY:
  • TOP TUBE LENGTH
    20.6 / 21” / 21.4"
  • CHAIN STAY LENGTH
    13.6”
  • HEAD TUBE ANGLE
    75º
  • SEAT TUBE ANGLE
    71º
  • BB HEIGHT
    11.5”
  • STAND OVER HEIGHT
    8.75"
  • FORK OFFSET
    32 / 33 mm.
  • BAR RISE
    8.5" / 9"
  • BAR WIDTH
    29”
  • BAR BACKSWEEP
    10º
  • BAR UPSWEEP
  • _
  • PRO TEAM VERSION SPECIFICATIONS:
  • Frame
    Sierra / Full 4130 CrMo / Heat treated HS, BB / Invest Casting Heat Treated Dropouts / EBS brake system
  • Fork
    Volcano 33mm Offset / Full 4130 CrMo / 1 Piece Steerer Tube CNC / Invest Casting Heat Treated dropouts
  • Bars
    Sierra / Full 4130 CrMo / Multiple Butted
  • Grips
    Ruben 2 / 160 mm Long
  • Stem
    Volcano 25mm Rise / 50mm Reach / CNC Machined / 6061-T6 Aluminum
  • Headset
    Volcano 15 / Sealed Bearing / CNC Machined / 6061-T6 Aluminum
  • Lever
    None
  • Brake
    None
  • Cranks
    Dolmen 175 mm. / 4130 CrMo / 2.5p Construction / 1p Invest Casting Arm
  • Bottom Bracket
    Rotar Mid 24mm. / Sealed Bearing
  • Sprocket
    Tractor / CNC Machined / 7075-T6 Aluminum / 28T
  • Pedals
    Ruben Graphite / Nylon - Fiberglass Compound
  • Chain
    Tractor / 4130 CrMo Heat Treated / Hollow Pins Chromium Treatment / 74 Links
  • Tires
    Ruben Ligera 2.40 Front / Fly Ruben 2.25 Rear / 60 TPI / 120 PSI
  • Seat
    Sierra 3 Seat / 100% Synthetic Leather / 7 mm Thickness
  • Post
    Tripod / CNC Machined / 6061-T6 Aluminum / 180 mm Long
  • Rims
    Lunar Rear / Fly Lunar Lite Front / Double Wall / 6061-T6 Aluminum / Flash Welded
  • Front Hub
    Magneto / Sealed Bearing / 3/8” Alu Female Axle / 36H
  • Rear Hub
    Magneto / Sealed Bearing / 14mm Alu Female Axle / 36H / 9T
  • Weight 21" / 9" version
    10.56 kg. / 23.2 lb.
  • _
  • GEOMETRY:
  • TOP TUBE LENGTH
    21”
  • CHAIN STAY LENGTH
    13.7”
  • HEAD TUBE ANGLE
    74.5º
  • SEAT TUBE ANGLE
    71º
  • BB HEIGHT
    11.75”
  • STAND OVER HEIGHT
    9.25”
  • FORK OFFSET
    32mm.
  • BAR RISE
    9"
  • BAR WIDTH
    29”
  • BAR BACKSWEEP
    10º
  • BAR UPSWEEP
  • _
  • SPECIFICATIONS:
  • Frame
    Full 4130 CrMo / Removable Brake Mounts / Chain Tensioners
  • Fork
    Fly 32 Offset / Integrated cone shape design / Full 4130 CrMo / 1 piece steer tube
  • Bars
    Fly / Full 4130 CrMo
  • Grips
    Fly Ruben 2 / 160 mm Long
  • Stem
    Fly Volcano 25mm Rise / 50mm Reach / CNC Machined / 6061-T6 Aluminum
  • Headset
    Trebol / Sealed Bearing / CNC Machined / 6061-T6 Aluminum
  • Lever
    None
  • Brake
    None
  • Cranks
    Trebol 3Pc / 4130 CrMo / 170 mm Arm Length
  • Bottom Bracket
    Mid / Sealed Bearing
  • Sprocket
    Fly Tractor TT / CNC Machined / 7075-T6 Aluminum / 29T
  • Pedals
    Fly Ruben Graphite / Nylon - Fiberglass Compound
  • Chain
    512 Type / 74 Links
  • Rims
    Fly Piramide / Double Wall / 6061-T6 Aluminum
  • Front Hub
    Trebol / Sealed Bearing / 3/8” Female Axle / 36H
  • Rear Hub
    Trebol / Sealed Bearing / 14mm Female Axle / 36H / 9T
  • Tires
    Fly Ruben Ligera 2.40 Front / Fly Ruben 2.25 Rear / 60 TPI / 120 PSI
  • Seat
    Fly Sierra 3 Seat / 100% Synthetic Leather / 7 mm Thickness
  • Post
    Fly Tripod / CNC Machined / 6061-T6 Aluminum / 180 mm Long
  • Disclaimer:
    Information provided is subject to change without prior notice. We are not liable for errors or omissions.

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