✨ Get 20% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

High-quality Fly Sierra 18" Frame Kit [AYkmavMN]

$49.99 $159.99 -69%

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 Sank

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

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.

###section###

Product Specs
  1. MATERIAL: 4130 Chromoly
  2. HEAD TUBE ANGLE: 75°
  3. SEAT TUBE ANGLE: 71°
  4. CHAIN STAY LENGTH: 12.2"
  5. BB HEIGHT: 10.5"
  6. WHEEL SIZE: 18"
  7. STANDOVER HEIGHT: 8"
  8. DROPOUT SIZE: 14mm
  9. HEADSET TYPE: Integrated
  10. BB TYPE: Euro
  11. BRAKE MOUNTS: Removable (Sold separately)
  12. GYRO TABS: None
  13. WEIGHT: 4.3lbs

###section###

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

###shogun-image-section###

What Our Customers Say

January 13, 2026

Absolutely no complaints!

It’s a very fine and a very, very great tool.

- Nerys L..

January 13, 2026

Absolutely no complaints!

The quality of this item is truly so magnificent.

- Heulwen F..

January 13, 2026

Absolutely no complaints!

This is a high-quality, and an excellent, great product.

- Llywelyn H..

Write a Review

You Might Also Like

Discover more great products from our collection.

Gucci Black Cotton Sweatshirt

Gucci Black Cotton Sweatshirt

(166)
$69.99 $223.99 -69%
SCRIBBLE SCULPTURE DAU

SCRIBBLE SCULPTURE DAU

(152)
$52.99 $169.99 -69%
Casco Compact

Casco Compact

(978)
$22.99 $73.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY