Niner
Niner

Niner Sir 9 XTR Jenson USA Exclusive Build

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Item #: BI001628
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Niner SIR 9 XTR JensonUSA Exclusive Build

There’s never been a better time to get away and now you can with the bikepacking bike of your dreams. The Niner SIR 9 XTR JensonUSA Exclusive Build is a versatile, trail-rated, fully-loaded steel hardtail that is ready to take you on your next adventure. The Niner SIR 9 is built around a hand-welded Reynolds 853 steel frame for superior durability. 18 mounting points peppered throughout the bike allow you to mount all the storage bags, racks and water bottles you could ever need. The Niner SIR 9 was designed to be able to tackle any terrain and features trail-specific geometry. With a 68-degree head tube angle, a 74-degree seat tube angle, short chainstays and a long top tube and wheelbase, the SIR 9 offers stability when you’re dropping into the steepest lines and maneuverability in the technical stuff. With clearance to run 27.5” plus tires or 29” tires, you have the freedom to convert your SIR 9 into a fast rolling 29er or a beefy 27.5+ trail ripper.

Th XTR JensonUSA Exclusive Build of the Niner SIR 9 bike comes expertly spec’d with Shimano’s XTR drivetrain and brakes and Fox’s new 2021 Float Factory Step-Cast Fork. The Shimano XTR CS-M9100 cassette features a hill-crushing, 10-51 tooth gear range to get you up any hill. When you have to slow down fast, you can rely on the Shimano’s XTR BR-M9120 Disc Brakes for excellent stopping power and modulation. Fox’s 2021 Float Factory Step-Cast 34 Remote Fork soaks up the bumps in the trail and provides a smooth ride. The Niner SIR 9 XTR JensonUSA Exclusive Build is a must have for riders looking to experience a hardtail like they never have before.

Features

  • Hand-welded Reynolds 853 steel frame
  • Fox 34 Float SC Factory 29 Fork
  • Trail rated geometry slack seat tube and head tube angles, long top tube, dropper post routing, clearance for large tires, short chainstays
  • 18 accessory mounts for water bottles, frame bags, storage racks, etc.li>
  • Compatiable with 27.5” or 29” tires fits 27.5” tires up to 3.0” wide or 29” tires up to 2.4” wide
SPECIFICATIONS
Frame Reynolds 853 steel; External cable routing; Integrated bottle, bag, rack and fender mounts; 12x148 thru axle
Fork Fox 34 Float SC Factory 29 OE Fork15x110mm, 120mm, Remote Inc., 51mm Rake
Rear Shock -
Headset Niner Internal ZS Shis Description ZS44/28.6|ZS56/40
Shifters SHIMANO XTR SL-M9100 SHIFTER
Front Derailleur -
Rear Derailleur Shimano Rd-M9100 XTR SGS Deraileur, 12 Speed, Rdm9100
Crankset Shimano FC-Mt900-1 Crankset OE 175mm, 32t
Bottom Bracket Shimano Sm-Bbr60 Bottom Bracket No Pckgenglish Threaded
Chain Shimano XTR CN-M9100 Chain OE12sp, 126 Links, (Hg 12 Speed)
Cassette Shimano XTR CS-M9100 Cassette OE12sp, 10-51t
Brakes Shimano XTR BR-M9120
Wheelset DT Swiss XM1501 29" Wheels Oefront 30mm 15/110 Front - 12/148 Rear/ microspline Driver
Tires Front: Kenda Regolith Pro Folding Tire Oe29x2.4, SCT, 120tpi, Folding / Rear: Kenda Booster Pro 29" Tire Oe29" X 2.2, TR
Handlebar Revin Carbon MTB Handlebar 35mm Oe800mm, 25mm Rise, 7 Deg Back, 5 Deg Up
Stem Whisky Parts Co. No.7 Mtn 35mm Stem Oe50mm, 35mm, 0 Degree
Grips/Bar Tape SDG SLATER LOCK-ON GRIP OEBLACK, LOCK-ON
Seatpost RaceFace Ride XC OE 30.9 x 375mm Black
Saddle SDG RADAR SADDLE OEBLACK
Intended Use  

Note: Components are subject to change without notice.

Geo Chart Image

Niner SIR 9 -120mm fork
Size Small Medium Large Extra Large
A: Seat Tube Length 396 421 485 533
B: Effective Top Tube 595 603 627 652
C: Stack 611 620 634 652
D: Reach 410 425 445 465
E: BB Height - - - -
F: BB Drop 52 52 52 52
G: Head Tube Length 100 110 125 145
H: Head Tube Angle 68 ° 68 ° 68 ° 68 °
I: Seat Tube Angle 74 ° 74 ° 74 ° 74 °
J: Standover Height 721 739 791 830
K: Chainstay Length 430 430 430 430
L: Wheelbase 1118 1136 1162 1189
Crank Arm Length 175 mm 175 mm 175 mm 175 mm
Stem Length 35 mm 35 mm 35 mm 35 mm
Handlebar Width 800 mm 800 mm 800 mm 800 mm
Suggested Rider Height
Frame Size Small Medium Large Extra Large
Rider Height 5'3" - 5'9"
160-175 cm		 5'8" - 6'0"
173-183 cm		 5'11" - 6'3"
180-191 cm		 6'3" - 6'7"
191-201 cm
Niner SIR 9 -120mm fork
Size Small Medium Large Extra Large
A: Seat Tube Length 15.6 16.6 19.1 21.0
B: Effective Top Tube 23.4 23.7 24.7 25.7
C: Stack 24.1 24.4 25.0 25.7
D: Reach 16.1 16.7 17.5 18.3
E: BB Height - - - -
F: BB Drop 2.0 2.0 2.0 2.0
G: Head Tube Length 3.9 4.3 4.9 5.7
H: Head Tube Angle 68.0 ° 68.0 ° 68.0 ° 68.0 °
I: Seat Tube Angle 74.0 ° 74.0 ° 74.0 ° 74.0 °
J: Standover Height 28.4 29.1 31.1 32.7
K: Chainstay Length 16.9 16.9 16.9 16.9
L: Wheelbase 44.0 44.7 45.7 46.8
Crank Arm Length 175 mm 175 mm 175 mm 175 mm
Stem Length 35 mm 35 mm 35 mm 35 mm
Handlebar Width 800 mm 800 mm 800 mm 800 mm
Suggested Rider Height
Frame Size Small Medium Large Extra Large
Rider Height 5'3" - 5'9"
160-175 cm		 5'8" - 6'0"
173-183 cm		 5'11" - 6'3"
180-191 cm		 6'3" - 6'7"
191-201 cm

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CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

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