The Niner S.I.R. 9 SPX Rigid (Carbon Fork) 2011 Mountain Bike can be bought from online bike shops on this page, or from highstreet Niner dealers on the Stockists tab. Find out more about this Urban Jump 4X Mountain Bike on the Full Spec tab

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Detailed Specifications for Niner S.I.R. 9 SPX Rigid (Carbon Fork) 2011 Mountain Bike

Description: The Niner S.I.R. 9 SPX Rigid (Carbon Fork) 2011 Mountain Bike is the most versatile bike in the Niner stable fusing the steel is real feel of Reynolds tubing with the ability to run the frame as either a geared bike or single speed. The S.I.R. 9 uses the same custom drawn Reynolds 853 tubing as the M.C.R. 9 and combines it with Niner's ultra-light eccentric bottom bracket. Custom breezer style forged dropouts have a replaceable alloy derailleur hanger and come with an insert piece for running the bike as a single speed to eliminate the unnecessary derailleur hanger for a clean look.

Colours: Kermit Green Sizes: Large, Extra Large Weight: 0 Year: 2011

Frame:

Custom drawn 29er specific Reynolds 853 tubeset / angled toptube to maximize standover clearance / s-bend chainstays / proven hardtail 29er geometry / Disc brake only

Forks:

Niner Carbon Rigid / disk only / 185mm max rotor size / no rider weight limit

Gear shifters:

Shimano M770 (XT)

Front mech:

Shimano M771 (XT)

Rear mech:

Shimano M773 SGS (XT)

Cassette:

Shimano M771 11-36 (XT)

Rims:

Mavic TN719

Hubs:

Hope Pro2

Tyres:

Maxxis Crossmark 2.1 folding

Saddle:

WTB Silverado Team

Stem:

Easton EA 70 31.8mm

Handlebar:

Easton EC 70 31.8mm

Grips:

Lizard Skin Charger

Brakes:

Avid Elixir CR w/ 160mm rotors