The Fly Bikes Sierra Frame features a minimalist design with a geometric structure, made from durable black 4130 CrMo.

Close-up of the Fly Bikes Sierra Frame with forest-themed graphics, featuring a 4130 CrMo black bicycle frame and visible joints.

Close-up of a black Fly Bikes Sierra Frame highlighting branding and graphics. Crafted with 4130 CrMo for strength, the tubing connections feature a matte finish.

Close-up of three black Investment Cast bicycle fork dropouts with a sleek, matte finish set against a white background, designed to perfectly complement the rugged durability of the Fly Bikes Sierra Frame made of 4130 CrMo.

Close-up of the Fly Bikes Sierra Frame made from 4130 CrMo, featuring "Sierra" in white on its sleek black surface. Near the joint is an emblem with a mountain and gear design that adds rugged elegance.

The Fly Bikes Sierra Frame offers durability with its black 4130 CrMo construction, highlighted by sleek white graphics and "SIERRA" text. A "Lifetime Warranty" badge in the top right corner guarantees a trustworthy investment for riders.

The Fly Bikes Sierra Frame diagram shows dimensions: top tube 20.6"/21"/21.4", head tube 4.45", seat tube angle 71°, frame angle 75°, bottom bracket 11.5", chainstay 13.6", and seat tube length 8.75". Made from durable 4130 CrMo with investment cast components for enhanced performance.

Fly Bikes Sierra Frame in red features a 4130 CrMo build with white graphics, a "Lifetime Warranty" badge on the top right, and Investment Cast components for enhanced durability against the stark black background.

Close-up of a Fly Bikes Sierra Frame in red, made from durable 4130 CrMo steel, featuring the word "Sierra" and an emblem with trees on a stylish black background.

Fly Bikes Sierra Frame

Name: Fly Bikes Sierra Frame
Brand: Fly Bikes
SKU: FRSIFR21403
Price: 749.99 AUD
Availability: InStock

$749.99 AUD

Or 4 payments of $187.49 AUD with

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Fly Bikes Sierra Frame / Flat Black / 21.4

$749.99 AUD

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Description

Serg is easily one of the most stylish riders on the planet and has been for donkeys. Why not spec up your rig like his? A couple of the boys here at LUXBMX have run a Sierra previously and we were absolutely hyped on them. Nice low BB, low standover and a decent booty on this thing makes it rip!
The Sergio Layos' signature Sierra frame features internal and external gussets, multi-butted and tapered tubing, an Investment Cast seat post clamp with the Horizontal Cut System, removable EBS style brake mounts and Investment Cast Dropouts with integrated chain tensioners.
• 100% Secure payment.
• Products in stock delivered in 24 hours to 7 working days.
• This product is covered with Lifetime Warranty.
• EBS Brake kit NOT included.
• Replacement stickers included.

Tubing Material
4130 CrMo / Japanese Sanko Triple Butted
Headtube Material
CNC Machined / 4130 CrMo / Heat Treated
Bottom Bracket
CNC Machined / 4130 CrMo / Heat Treated / Mid BB
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
20.6" / 21" / 21.4"
Head Tube
75º
Seat Tube
71º
Rear End
13.6"
Standover
8.75"
Bottom Bracket Height
11.5"
Head Tube Length
113 mm / 4.45"
Brake System
EBS / Chainstays
Weight 21"
2.200 kg / 4.85 lb