The SIR 9 bike is made from rugged, reliable, comfortable Reynolds 853 steel. It’s built to last and not let you down.

The SIR 9 is perfect for just about any type of riding, no matter how long or short. It’s a butt-kicking, grin-inducing lunch ride launch pad when you only have 30 minutes to burn in the back lot. It’s also made for multi-day missions in the backcountry.

2017年10月25日 · Like steel hardtails? We test the Niner SIR 9, boasting a modern, slack geometry, room for 27.5+ tires, and a host of bikepacking-friendly details.

/ SIR 9; SIR 9. For any trail, from backyard to backcountry . As low as. Add to Cart ... Niner Bikes US. 2620 East Prospect Road Suite 180 Fort Collins, CO 80525. Customer Support: [email protected]. Niner Resources. Current Catalog; Contact Niner; Bikes Archive; Who …

The 2-Star version of the Niner SIR 9 comes with a SRAM SX Eagle 12-speed drivetrain. The 32T chainring on the front is paired with an 11-50T cassette on the rear that makes climbing and pedaling through the most demanding terrain much easier.

2024年8月22日 · Brad Cole, Niner’s marketing manager, states, “The new SIR 9 is a fusion of the ROS 9 geometry, the versatility of the ROS 9 Plus and heritage of the SIR 9.” It’s built around a 120 mm fork and offers modern trail geometry, mounting points out the wazoo, and air-hardened Reynolds 853 steel tubing.

A 29″ steel frame crosscountry frameset with mechanical disc brakes.

Blurring the lines between modern trail bike geometry and traditional cross-country geometry, the SIR 9 occupies a niche we lovingly call “trail country.” There’s a new bike in town. It’s built to last and not let you down.

Its devotion to the ‘big revolution’, as it calls it, is showcased beautifully in the SIR 9. This sweet handling steel hardtail is one of the most convincing and opinion-changing wagon wheel...