New Bike Day: Niner AIR 9 3-Star Single-Speed Build

Niner AIR 9 3-Star

Single-Speed Build

This bike blends the agility and efficiency of a pedal-friendly XC bike with the versatility, toughness and capability of a rowdy trail rig. New for 2021 is the three-star Shimano SLX Single Speed build. Light, simple, quiet and efficient, it’s a whole new way to have fun in the forest. —$2000

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