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2021 Niner AIR 9 3-Star Bike

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Product Niner AIR 9 3-Star Bike
Model Year 2021
Riding Type Cross Country, Trail
Rider Unisex
Sizes and Geometry
XS, SM, MD, LG, XL View Geometry
Top Tube Length 570mm 585mm 603mm 627mm 652mm
Head Tube Angle 68° 68° 68° 68° 68°
Head Tube Length 100mm 100mm 110mm 125mm 145mm
Seat Tube Angle 74° 74° 74° 74° 74°
Seat Tube Length 356mm 394mm 419mm 483mm 533mm
Bottom Bracket Height 52mm drop 52mm drop 52mm drop 52mm drop 52mm drop
Chainstay Length 427mm 427mm 427mm 427mm 427mm
Wheelbase 1102mm 1117mm 1136mm 1162mm 1189mm
Standover 698mm 729mm 748mm 800mm 841mm
Reach 395mm 410mm 425mm 445mm 465mm
Stack 610mm 610mm 620mm 634mm 652mm
Wheel Size 29"
Frame Material Aluminum
Frame Material Details Hydroformed 6061-T6 welded aluminum, molded chainstay protection
Rear Travel Hardtail
Rear Shock None
Fork Marzocchi Bomber Z2, RAIL damper, 44mm offset
Fork Travel 120mm
Head Tube Diameter Tapered, 1.125" top, 1.5" bottom
Headset Niner Integrated, IS42/28.6 upper, IS52/40 lower
Handlebar Race Face Aeffect R, 780mm width, 20mm rise, 35mm clamp diameter
Stem Race Face Aeffect R, 40mm length, 35mm bar clamp
Grips Niner Grrrips, lock-on, soft compound
Brakes Shimano Deore XT M8100, 2-piston, metal pads with cooling fins, Shimano RT86 rotors (180mm front, 160mm rear)
Brake Levers Shimano Deore XT M8100
Drivetrain 1x
Shifters None
Front Derailleur None
Rear Derailleur None
ISCG Tabs None
Chainguide None
Cranks Shimano SLX M7100
Chainrings Shimano SLX M7100, 32 tooth
Bottom Bracket Niner Biocentric, PF30 press-fit
Pedals None
Chain SRAM, 12-speed
Cassette Niner Cogalicious, 20 tooth
Rims Niner alloy wheelset, 30mm inner width
Hubs Niner alloy wheelset, 110x15mm Boost front, 148x12mm Boost rear
Spokes Niner alloy wheelset
Tires Schwalbe Nobby Nic, Evo, Super Trail, TLE, Addix Speedgrip, 29" x 2.6" (front), 2.35" (rear)
Saddle Niner Custom, CrMo rails
Seatpost Niner alloy, 370mm length
Seatpost Diameter 30.9mm
Seatpost Clamp Single bolt, 34.9mm
Rear Dropout / Hub Dimensions 148x12mm Boost
Max. Tire Size 29" x 2.4" or 27.5" x 3.0"
Bottle Cage Mounts Two inside front triangle
Colors Metallic Silver/Blue
Warranty Lifetime frame, 5 years Niner components, 1 year paint/decals
Weight 24 lb 14.4 oz (11,294 g)
Miscellaneous - External cable routing with internal dropper seatpost routing
- Includes Stan's NoTubes sealant
- Compatible with 27.5+ wheels
- Weight given for size MD
Price $1,990
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