Niner's Air 9 is a beautiful 3.25 pound Scandium frame with a traditional BB shell and rear derailleur hanger. The Air 9 uses Easton Scandium GX2 tubing. Custom drawn S-bend chainstays and seatstays for added heel and mud clearance. Will fit a 2.4 tire! Disc only. The bent downtube maintains fork clearance and actually improves the strength of the frame. It has a stainless steel Niner head badge.
Color options include a Raw finish, which is simply the polished frame with clear coat. Looks fast, and saves 35-60 grams over the painted frames. Frame weight is between 3.17 and 3.66 pounds, depending on size and finish.
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- 73mm BB width
- 31.6mm seatpost size, 400mm recommended
- 34.9mm seat collar size (not included)
- 34.9mm front derailleur, low mount - top swing, top pull
- standard 1.125” external bearing headset (not included). Cane Creek standard description: EC34/28.6|EC34/30
- Replaceable derailleur hanger
- Size Small has one inner triangle bottle mount and one under the downtube bottle mount
- Size Medium, Large and XL have two inner triangle bottle mounts
- 135mm QR rear spacing
- Stainless steel laser cut head badge
- Can fit up to a 2.4” tire (tire size varies by brand, some tires may not fit)
- Compatible with 2x systems from SRAM and SHIMANO, however certain gear sizes will not fit.
- SRAM recommended 2x front chainring configs: 26/39 or lower
- SHIMANO recommended 2x front chainring configs: 28/40
check out the other Niner Bikes that we carry at WebCyclery
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