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Niner SIR 9 trail bike launched

Niner SIR 9

Niner’s new shred-ready hardtail can accommodate 29er or 27.5+ wheels.

News out of the Niner camp today. The Colorado-based bike maker has re-released its original steel classic, the SIR 9, in a redesigned, ready for anything form.

Niner SIR 9

It can also carry a whole lot of stuff.

Built from Reynolds 853 steel, Niner says the hardtail SIR 9 is balanced, playful, and confidence inspiring. The bike uses the same trail geometry that was developed for the RIP 9 and JET 9 trail bikes. It also has boost hub spacing for 27.5+ and 29er wheels. And it boasts a whopping 18 mounting options for bottles, bags, racks, and fenders. Let the bike packing adventures begin.

Niner SIR 9

Frame material is tried and true Reynolds 853.

For more info head to www.ninerbikes.com. Here’s a rundown of key features, plus a list of build options, and lots of photos.

Key Features
  • Redesigned bottom bracket/chainstay junction increases stiffness
  • PF 30 BB allows you to run a standard BB or, eccentric BB for singlespeed
  • Nearly unified yoke which allows for longer and stronger welds to the bottom bracket
  • Hidden plate in yoke adds to the stiffness
  • Tapered head tube allows riders to keep up with fork technology
  • Reynolds 853 steel provides the supple, comfortable ride
  • Compatible with 29×2.4 Or 27.5X3.0 tires
  • Integrated bag mounts inside front triangle
  • Bento box mounts on top tube offer additional storage options
  • Compatible with 1x (max ring 36t) and 2x (26/36 or bigger) drivetrain systems

//www.youtube.com/watch?v=kpeUcXv61OY

Key Tech Specs
  • 73mm PF30 BB shell (adaptors required for BSA type BBs)
  • Compatible with Biocentric 30 for singlespeed use
  • 30.9 seat post
  • 31.8 seat collar
  • 34.9 front derailleur clamp
  • 1.125” X 1.5” Tapered zero stack head tube, 44mm upper, 56mm lower, cane creek description: ZS44/28.6 ZS56/40
  • 34.9 Side swing, front pull front derailleur
  • Post mount disc brake – 180mm max rotor size
  • All sizes have 2 inner triangle bottle mounts, 1 mount under down tube
  • Can fit up to a 29×2.4 or 27.5×3.0 tire (tire sizes vary by brand, some tires may not fit)
  • Compatible with standard 1x (36t max), 2x and 3x systems

Niner SIR 9 5-star build

Niner SIR 9 5-star build

Niner SIR 9 5-star build

Niner SIR 9 4-star build

Niner SIR 9 4-star build

Niner SIR 9 3-star build

Niner SIR 9 3-star build

Niner SIR 9 2-star build

Niner SIR 9 2-star build

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The post Niner SIR 9 trail bike launched appeared first on Mountain Bike Review.


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