The Fly Bikes Sierra showcases a lightweight kids BMX bike with a striking 18" red frame elegantly displayed against a crisp white background.
The Fly Bikes Sierra 18 Inch BMX frame features a black design with "Sierra" branding on the top tube, ideal for young adventurers. It is showcased against a white background.
The Fly Bikes Sierra 18" Frame, sporting "Sierra" branding on a dark background, boasts a sleek design. With a "Lifetime Warranty" label at the top right, it offers assurance in this premium build inspired by Sergio Layos' signature style.
Fly Bikes Sierra 18" frame displays graphic designs on a dark background and includes a "Lifetime Warranty" badge at the top right.
Close-up of a matte black Fly Bikes Sierra 18" BMX frame with branding details, showcasing the Sergio Layos signature design against a dark background.
The Fly Bikes Sierra 18 Inch Frame, with its eye-catching black and white decals, contrasts sharply with the dark background, showcasing a sleek design reminiscent of Sergio Layos's bold signature red bicycle frame.
Close-up of black bicycle dropouts with a sleek, modern design against a dark background, showcasing the Fly Bikes Sierra 18 Inch BMX frame.
Diagram of the Fly Bikes Sierra 18 Inch Frame: top tube 18.7", seat tube 8", head tube 4", seat tube angle 71°, head tube angle 75°, base lengths of 12.2" and 10.5". Sergio Layos signature design.

Fly Bikes Sierra 18 Inch Frame

$649.99 AUD

Or 4 payments of $162.49 AUD with

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The Fly Bikes Sierra showcases a lightweight kids BMX bike with a striking 18" red frame elegantly displayed against a crisp white background.

Fly Bikes Sierra 18 Inch Frame / Gloss Dark Red / 18.7

$649.99 AUD

Price match

FRSIFR1808

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The Fly Bikes Sierra 18 Inch BMX frame features a black design with "Sierra" branding on the top tube, ideal for young adventurers. It is showcased against a white background.

Fly Bikes Sierra 18 Inch Frame / Flat Black / 18.7

$649.99 AUD

Price match

FRSIFR1803

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Description

The young serg is a ripper of a frame for the kids. Lightweight, great all round geo.. what a treat!

The Sierra 18" frame comes out to the BMX world to bring young shredders the best 18" frame on the market. An exact replication of the Sergio Layos signature frame with the same design and specs as the 20" Sierra frame, just adapted to fit perfectly on 7 to 12 year old riders with all the technology you'd expect from a modern BMX frame. And you have a wide range of supported bike parts to get a complete top-range 18’’ machine.
• This product is covered with lifetime warranty.
• EBS Brake kit is not included.
• Replacement stickers included.

Tubing Material
4130 CrMo / Japanese Sanko Triple Butted
Headtube Material
CNC Machined / 4130 CrMo / Heat Treated
Bottom Bracket Material
CNC Machined / 4130 CrMo / Heat Treated
Dropouts Material
Invest Casting / 4130 CrMo / Heat Treated
Seat Clamp Material
Invest Casting / 4130 CrMo / Heat Treated
Seatstays Bridge Material
Invest Casting / 4130 CrMo / Heat Treated
Top Tube
18.7"
Head Tube
75º
Seat Tube
71º
Rear End
12.2" Slammed
Standover
8"
Bottom Bracket Height
10.5"
Head Tube Length
4"
Brake System
EBS / Chainstays
Weight
1.967 kg / 4.3 lb
Bottom Bracket System
Spanish BB

*20 Inch variant pictured

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Fly Bikes Sierra 18 Inch Frame Features

Brand:

Fly Bikes

Top Tube Length:

18.7

Frame Material:

Full Chromoly

BB Type:

Spanish

Headset Type:

Integrated 1-1/8 Inch

Head Tube Angle:

75 Degree

Standover Height:

8 Inch

Chainstay Length:

12.2 Inch

BB Height:

10.5 Inch

Seat Tube Angle:

71 Degree

Dropout Type:

14mm Slotted

Brake Style:

U Brake

Seat Clamp Size:

-

Seat Tube Size:

25.4mm