2012 Niner SIR 9 - 2012 - Road Bike Shop
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|Niner S.I.R. 9 Mountain Bike Frame
Aside from an occasional oddball, like magnesium or something from the kingdom Plantae, material choices for mountain bike frames are aluminum, steel, and carbon fiber. Each one has distinct advantages and disadvantages, and the amount of time that's been spent deviling into their nuances is...
|Niner S.I.R.9 Thru Axle Derailleur Hanger
Crashes are inevitable, be prepared to replace a bent, broken, or pretzeled S. I. R. 9 Thru Axle Derailleur Hanger with this genuine Niner product. It's just like the original -- aluminum and awesome.