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.
1 An evolution from the Jet line, Niner's RKT9 is a dedicated XC racer that balances quick steering and short travel suspension. 2  First Ride: Yeti SB4.5c MTB. 3  The 29er cousin to perhaps the best trail bike on the market, Yeti's new machine could be a do-it-all bike â if climbing isn't your focus. Ride the massive 30-kilometer ascent of the Col d'Izoard, which has featured in both the Tour de France and Giro d'Italia. 2  Video: Top-10 weirdest mountain bikes ever. 3  Global Mountain Bike Network digs up 10 of the weirdest, ugliest mountain bike frame designs every seen on dirt.