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.

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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

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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

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