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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.
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.