Fly Motosierra Frame

Fly have wanted to create a more trails specific frame since the release of the Sierra, so with a few geometry tweaks the Motosierra was born.

The Motosierra Frame is built with 4130 Chromoly throughout with Japanese Sanko Triple Butted tubing to increase strength. The headtube and bottom bracket are both CNC machined and heat treated while the dropouts and seat clamp are invest cast and heat treated creating a truly indestructible frame.

This frame also features welded chainstay brake mounts and a cable-through seat tube system that keeps the brake cable securely fixed out of the way.

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Product Specs

1. MATERIAL: 4130 Chromoly
2. HEAD TUBE ANGLE: 74°
3. SEAT TUBE ANGLE: 71°
4. CHAIN STAY LENGTH: 14″
5. BB HEIGHT: 11.5″
6. WHEEL SIZE: 20″
7. STANDOVER HEIGHT: 9.25″
8. DROPOUT SIZE: 10mm
9. HEADSET TYPE: Integrated
10. BB TYPE: Mid
11. BRAKE MOUNTS: Welded
12. GYRO TABS: None
13. WEIGHT: 4.85lbs

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Product Highlights

• Longer Backend and Mellow Headtube Angle for stability
• Best suited for Trails and riding fast
• High-quality Chromoly construction
• Seamless Japanese Sanko Tubing
• Built in chain tensioners

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