Niner SIR 9 29 5-Star X01 Eagle Complete Mountain Bike - 2018

Niner SIR 9 29 5-Star X01 Eagle Complete Mountain Bike - 2018
Niner SIR 9 29 5-Star X01 Eagle Complete Mountain Bike - 2018
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SIR 9 29 5-Star X01 Eagle Complete Mountain Bike - 2018 by Niner
One of the most versatile hardtails on the market, the Niner SIR 9 29 5-Star XO1 Eagle Complete Mountain Bike features smooth and supple Reynolds 853 steel construction paired with modernized trail geometry, 29-inch wheels for momentum-carrying speed, and 18 mounting points for bikepacking adventures. Whether you're seeking a steel hardtail for spirited rides through the local mountains or a dependable pack mule for long-distance adventures, the SIR 9 satisfies your itch for exploration with its simplicity, strength, and unmatched versatility. The versatility doesn't stop there, with the SIR 9 swapping the momentum-carrying 29er wheels for the voluminous traction and bump-smoothing feel of 27. 5+ wheels. This is especially great, as you can swap tire sizes at a moment's notice for different trail systems and riding disciplines. It's no secret the bike industry is constantly evolving, so it makes perfect sense that Niner would modernize the previous SIR 9's geometry into something a little bit more trail-oriented. Niner's [R]evolutionary trail geometry makes the SIR 9 longer in the top tube and shorter in the chainstays for lively handling on the trail and a roomier cockpit, which facilitates composure on descents and comfort across long distances. The longer wheelbase of the SIR 9 inspires confidence when you're pushing it at higher speeds on the downhill portion of your ride. Paired with the FOX 34 Float Factory fork with 120-millimeters of travel, the SIR 9 moves from a rather XC-focused head tube angle of 70-degrees (for the previous model) to a trail-worthy 68-degrees. This gives you added confidence to attack fast descents and technical sections previously on the edge of the old bike's comfort zone. Although it's slacker than before, it still pedals and climbs with resounding efficiency, as Niner engineered it with a steeper 74-degree seat tube angle, which places you in an optimal pedaling position. Seeing that its name comes from the catchy phrase "Stee...

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SKU: NNR006H
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Manufactured by Niner
Niner SIR 9 29 5-Star X01 Eagle Complete Mountain Bike - 2018 ships and sold by Backcountry
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