
Niner SIR 9 is composed with strong steel structure and devoted solely for experiencing bigger wheels on singletrack. We all know that Niner is the only company fully dedicated to build frames for 29inch wheels, now they also started making quality components for 29er bike. Good quality steel is possibly the Ideal frame material for a 29er hardtail bike and Niner has used high end steel for SIR 9 with proven Bio-Centric bottom bracket design and custom style dropouts. This makes it a most versatile and a light weight bike [...]








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