Fly Sierra 18" Frame

Name: Fly Sierra 18" Frame
Brand: Fly
Price: 1476.0 GBP
Availability: OutOfStock

Dhs. 1,476.00

Tax included.

Colour — Gloss Warm Grey

Flat Black

Flat Forest Green

Gloss Warm Grey

Size

19mm BB Shell

22mm BB Shell

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Product Description

Fly have adapted their Sergio Layos frame to better suit younger riders, the Sierra is an exact replica of that frame that now perfectly fits riders between 7 to 11 years old.

The Sierra utilises 4130 CrMo alloythroughout the frame with Japanese Sanko Triple Butted tubing, CNC machined and heat treated headtube and bottom bracket with invest cast dropouts, seatclamp and seatstays. It's built tough for those riders progressing past more inexpensive frames.

Featuring the same design and technical specifications as the adult frame the Sierra 18 has everything you'd expect from a modern frame.

Product Specs

MATERIAL: 4130 Chromoly
HEAD TUBE ANGLE: 75°
SEAT TUBE ANGLE: 71°
CHAIN STAY LENGTH: 12.2"
BB HEIGHT: 10.5"
WHEEL SIZE: 18"
STANDOVER HEIGHT: 8"
DROPOUT SIZE: 14mm
HEADSET TYPE: Integrated
BB TYPE: Euro
BRAKE MOUNTS: Removable (Sold separately)
GYRO TABS: None
WEIGHT: 4.3lbs

Product Highlights

Geometry specially designed for smaller riders
Great all round frame for all types of riding
High-quality Chromoly construction
Seamless Japanese Sanko Tubing
Built in chain tensioners

UNDERSTANDING FRAME GEOMETRY

BMX frame geometry can look daunting, but thanks to our handy guide below you will have it figured out in no time. Remember, we're all BMXers here so if you have any questions just ask.

Keep reading to find your perfect frame, or click below to watch the buyers guide video.

FRAME SIZE CHART

Frame sizing is very much a personal preference: some riders like them longer, others shorter. Here's a rough guide - if you have any questions remember we are here to help!

3ft - 3ft 8" - best suited to a 16" BMX bike
3ft 8" - 4ft - best suited an 18" BMX bike
4ft - 5ft - 18" to 20" top tube
5ft - 5ft 4" - 20" to 20.25" top tube
5ft 4" - 5ft 8" - 20.25" to 21" top tube
5ft 8" - 6ft - 21" to 21.25" top tube
6ft plus - 21" top tube or longer

Rider Height (in)	Rider Height (cm)	Top Tube Length
5'	152	20"
5'3"	160	20.5"
5'6"	167	20.75"
5'9"	175	21"
6'	182	21.25"
6'6"	200	21.5"

FRAME GEOMETRY

Frame geometry can take a bit of understanding - but here at SourceBMX we are here to help! The first thing to understand is that BMX frame sizing is best measured by the length of the top tube - shown here as TT. Keep reading on to understand how the angles change how your frame will feel!

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Fly Sierra 18" Frame

Fly Sierra 18" Frame

Product Description

Product Specs

Product Highlights

UNDERSTANDING FRAME GEOMETRY

FRAME SIZE CHART

FRAME GEOMETRY

HALF PRICE HEADSET AND BB WITH FRAMES

FREE UK SHIPPING* OVER £99.99

90-Day Returns & Exchanges

OUR Price Match Promise

Customers Rate Us Excellent

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