2020 Niner SIR 9 2-Star Bike

(discontinued)

Discontinued

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Free shipping on orders over $50 (continental U.S. only). International shipping available. Some exclusions apply.	Free shipping on orders over $50 (continental U.S. only). International shipping available. Some exclusions apply. $1,916.94	Buy
Niner \| Sir 9 2-Star Bike \| Black/bronze \| Lg \| Nylon	Niner \| Sir 9 2-Star Bike \| Black/bronze \| Lg \| Nylon $1,916.94	Buy
Niner \| Air 9 2-Star Dropper Bike Slate Bl/cmnt Gry Xl \| Nylon	Niner \| Air 9 2-Star Dropper Bike Slate Bl/cmnt Gry Xl \| Nylon $1,149.00	Buy
Niner \| Air 2-Star Bike \| Slate Blue/cement Grey \| Xl \| Nylon	Niner \| Air 2-Star Bike \| Slate Blue/cement Grey \| Xl \| Nylon $1,099.94	Buy
Niner \| Wfo Rdo 2-Star Bike 2023 \| Fade To Black \| M	Niner \| Wfo Rdo 2-Star Bike 2023 \| Fade To Black \| M $2,999.94	Buy
Free shipping on orders over $50 (continental U.S. only). International shipping available. Some exclusions apply.	Browse available Bikes

Specifications

Product

Niner SIR 9 2-Star Bike

Model Year

2020

Riding Type

Cross Country

Trail

Rider

Unisex

Sizes and Geometry

Size	SM	MD	LG	XL
Top Tube Length	595mm	603mm	627mm	652mm
Head Tube Angle	68.0°	68.0°	68.0°	68.0°
Head Tube Length	100mm	110mm	125mm	145mm
Seat Tube Angle	74.0°	74.0°	74.0°	74.0°
Seat Tube Length	396mm	421mm	485mm	533mm
Bottom Bracket Height	52mm drop	52mm drop	52mm drop	52mm drop
Chainstay Length	427mm	427mm	427mm	427mm
Wheelbase	1118mm	1136mm	1162mm	1189mm
Standover	721mm	739mm	791mm	830mm
Reach	410mm	425mm	445mm	465mm
Stack	611mm	620mm	634mm	652mm

Wheel Size

29"

Frame Material

Steel

Frame Material Details

Hand welded air-hardened heat-treated Reynolds 853 steel, molded chainstay protection

Rear Travel

Hardtail

Rear Shock

N/A

Fork

Marzocchi Bomber Z2 Rail, sweep adjust, 110X15mm BOOST axle, 44mm offset

Fork Travel

120mm

Head Tube Diameter

Tapered, 1.125" top, 1.5" bottom

Headset

Niner Internal ZS, ZS44/28.6 upper, ZS56/40 lower

Handlebar

Race Face Aeffect R, 780mm width, 20mm rise, 35mm bore

Stem

Race Face Turbine R, 40mm length, 35mm clamp

Grips

Niner Grrrips, lock-on, flanged

Brakes

SRAM Level

Brake Levers

SRAM Level

Drivetrain

Shifters

SRAM SX Eagle, 12-speed

Front Derailleur

N/A

Rear Derailleur

SRAM SX Eagle, 12-speed

ISCG Tabs

Chainguide

N/A

Cranks

SRAM X1 1k Eagle DUB

Chainrings

SRAM X1 1k Eagle, 32 tooth

Bottom Bracket

SRAM DUB, PressFit 30, 73mm

Pedals

N/A

Chain

SRAM SX Eagle, 12-speed

Cassette

SRAM PG-1210 Eagle, 12-speed, 11-50 tooth

Rims

Niner alloy wheelset

Hubs

Niner alloy wheelset, 110x15mm Boost front, 148x12mm Boost rear

Spokes

Niner alloy wheelset

Tires

Front: Maxxis Minion DHF, 3C/EXO/TR, 29" x 2.5" WT
Rear: Maxxis Rekon, 2C/EXO/TR, 29" x 2.4" WT

Saddle

Niner Custom TR, CrN-Ti rails, Niner graphic

Seatpost

KS LEV SI
Drop: 100mm (SM), 150mm (MD, LG, XL)

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

Yes (triple), plus storage bosses on top tube

Colors

Slate Blue/Orange, Cement Grey/Black

Warranty

Limited lifetime on frame

Weight

N/A

Miscellaneous

External cable routing, with internal dropper post routing
Includes Stan's NoTubes sealant
Singlespeed compatible with BioCentric 30 bottom bracket system
Compatible with 27.5+ wheels/tires
Rack and fender mounts

Price

$2,500.00

More Info

ninerbikes.com

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Free shipping on orders over $50 (continental U.S. only). International shipping available. Some exclusions apply.	Free shipping on orders over $50 (continental U.S. only). International shipping available. Some exclusions apply. $1,916.94	Buy
Niner \| Sir 9 2-Star Bike \| Black/bronze \| Lg \| Nylon	Niner \| Sir 9 2-Star Bike \| Black/bronze \| Lg \| Nylon $1,916.94	Buy
Niner \| Air 9 2-Star Dropper Bike Slate Bl/cmnt Gry Xl \| Nylon	Niner \| Air 9 2-Star Dropper Bike Slate Bl/cmnt Gry Xl \| Nylon $1,149.00	Buy
Niner \| Air 2-Star Bike \| Slate Blue/cement Grey \| Xl \| Nylon	Niner \| Air 2-Star Bike \| Slate Blue/cement Grey \| Xl \| Nylon $1,099.94	Buy
Niner \| Wfo Rdo 2-Star Bike 2023 \| Fade To Black \| M	Niner \| Wfo Rdo 2-Star Bike 2023 \| Fade To Black \| M $2,999.94	Buy
Free shipping on orders over $50 (continental U.S. only). International shipping available. Some exclusions apply.	Browse available Bikes