MEASURING SHOTGUN CHOKE. 1  True Cylinder 0-1 points. 2  Improved cylinder 3-6. 3  Quarter (American Improved) 8-12. 4  Half (American Modified) 17-23. 5  Three-quarters (Improved Modified) 25-30. 6  Full 35-40. 7  Super full 40+.
2015 Avanti Montari 7.3. This bike is one of our most popular. It's been designed so riders of all skill levels can enjoy an adventure in the great outdoors. With it's light alloy frame the Montari 7.3 is the perfect platform for trail riders wanting to hone their riding skills.his bike is one of our most popular. It's been designed so riders of all skill levels can enjoy an adventure in the great outdoors. With women-specific features and light alloy frame the Montari 7.1 is the perfect platform for trail riders wanting to hone their riding skills.
Tech 3/28/2014 @ 2:28PM 11,273 views. The New Face Of Manufacturing: Santa Cruz Bicycles. A heavy 85 pound stack of weights comes crashing down on the mountain bike frame. It seems sure to break the bike as it just bounces on the carbon frame, but it does not. An employee picks up another of the expensive carbon fiber bike frames and swings it like a baseball bat into a steel post.