Flybikes

Select your country

Free shipping worldwide *
Free duties for USA orders
Free stickers with all orders
Motosierra Bike
Bikes
Signature Custom Bikes Motosierra Bike
visa maestro mastercard klarna
Our unique in-house assembly operation allows you to order exactly the bike that you want with a 30% price reduction over the individual parts.

Price for individual parts purchase: 2.275€ / $2.615

• Easy Assembly with our 100% plastic-free recyclable packaging.

We've brought together all our trail team riders' preferences to build the sickest trail BMX out there. This Bicycle-Moto-X trail machine is made from Sergio Layos' signature Motosierra frame, Sierra bar, the Volcano steering line, Fly CNC Brake, and fully loaded with Ruben's top-notch parts. And guess what? We've even thrown in the badass Magneto Hubs laced with Lunar Rims option. Now we can ensure that it is the best Fly bike that we can build.

Hand-assembled to order at the Fly warehouse and fully customizable following these steps:

1. Select the bike you want using the options available on the website.
2. Proceed with the order confirmation.
3. For any specific part change, just write in the comments the part you’d like to replace.
4. Confirm your order

- Parts with higher price: 30% discount to the individual price difference.
- Upcharge Payment: Once the order is confirmed, we´ll send you a link to proceed.
- If the chosen part is not available, we´ll inform you the delivery info.
- No refunds are issued for parts of lower value.

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

Motosierra Bike Specs
  • GEOMETRY:
  • TOP TUBE LENGTH
    21" / 21.4” / 21.8"
  • CHAIN STAY LENGTH
    14”
  • HEAD TUBE ANGLE
    74º
  • SEAT TUBE ANGLE
    71º
  • BB HEIGHT
    11.5”
  • STAND OVER HEIGHT
    9.25”
  • FORK OFFSET
    33 mm.
  • BAR RISE
    8.5 / 9"
  • BAR WIDTH
    29”
  • BAR BACKSWEEP
    10º
  • BAR UPSWEEP
  • _
  • SPECIFICATIONS:
  • Frame
    Motosierra / Full 4130 CrMo / Heat treated HS, BB / Invest Casting Heat Treated Dropouts
  • Fork
    Volcano 33 / 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 25M / 50mm Reach / CNC Machined / 6061-T6 Aluminum
  • Headset
    Volcano 7 / Sealed Bearing / CNC Machined / 6061-T6 Aluminum
  • Lever
    Manual / CNC / 6061 T-6 Aluminum
  • Brake
    Fly Manual Nano / CNC / 6061 T-6 Aluminum
  • Cranks
    Dolmen 175 mm. / 4130 CrMo / 2.5p Construction / 1p Invest Casting Arm
  • Bottom Bracket
    Rotar Mid 22mm. / Sealed Bearing
  • Sprocket
    Tractor TT / CNC Machined / 7075-T6 Aluminum / 30T
  • 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
    Motosierra Seat / 100% Synthetic Leather / 7 mm Thickness
  • Post
    Motosierra Rail Post / CNC Machined / 6061-T6 Aluminum / 150 mm Long
  • Rims
    Lunar Rear / 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 / 3/8” Alu Female Axle / 36H / 9T
  • Weight 21" / 9" version
    11.45 kg. / 25.2 lb.
  • Disclaimer:
    Information provided is subject to change without prior notice. We are not liable for errors or omissions.
Flybikes

Search