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6/24/12 4:16 PM First ride report: Niner's redesigned S.I.R. 9 steel hardtail | Dirt Rag Magazine Page 1 of 6 http://www.dirtragmag.com/webrag/first-ride-report-niners-redesigned-sir-steel-hardtail News Reviews Subscribe Photos Online Store Forums Events Dirt Fest About Dirt Rag Sell Dirt Rag Get our eNews Advertise Links Contribute Contact Us My Account Cart Login Follow us online:

First ride report: Niner's redesigned S.I.R. 9 steel ... · loophole. Think this is the right bike for you? Want to help IMBA fight the good fight? Well, there’s a way to do both

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Page 1: First ride report: Niner's redesigned S.I.R. 9 steel ... · loophole. Think this is the right bike for you? Want to help IMBA fight the good fight? Well, there’s a way to do both

6/24/12 4:16 PMFirst ride report: Niner's redesigned S.I.R. 9 steel hardtail | Dirt Rag Magazine

Page 1 of 6http://www.dirtragmag.com/webrag/first-ride-report-niners-redesigned-sir-steel-hardtail

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First ride report: Niner's redesigned S.I.R. 9 steel hardtailFirst ride report: Niner's redesigned S.I.R. 9 steel hardtailSubmitted by Josh Patterson on Wed, 06/20/2012 - 09:59 Inside Line - Tech Stuff - Product Testing WebExclusives

By Josh Patterson

Last year about this time Niner Bikes unveiled its first carbon full suspension platform, the Jet 9 RDO (read our reviewin issue #163). This year Niner took time to reinvest in one of the first frames in its line-up, the geared andsinglespeed-compatible S.I.R. 9. The company felt steel bikes were being equated with retro, which seemed unfair tosuch a versatile frame material.

“Steel was being left behind,” said company founder Chris Sugai. "You couldn’t run tapered forks, you couldn’t runMaxles.” Niner’s goal was to revise the frame to make it compatible with current standards while maintaining the S.I.R.9’s soulful ride quality.

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Page 2: First ride report: Niner's redesigned S.I.R. 9 steel ... · loophole. Think this is the right bike for you? Want to help IMBA fight the good fight? Well, there’s a way to do both

6/24/12 4:16 PMFirst ride report: Niner's redesigned S.I.R. 9 steel hardtail | Dirt Rag Magazine

Page 2 of 6http://www.dirtragmag.com/webrag/first-ride-report-niners-redesigned-sir-steel-hardtail

The two most visible changes include the use of a larger diameter, 44mm head tube, which will allow riders to runstraight or tapered steerers on their forks, and a 142x12 Maxle rear end to bolster stiffness and make it compatiblewith the latest hubs and wheelsets.

Other, more subtle changes include switching the rear brake mount from IS to post-mount, and moving it from theseatstay to the chainstay. Not only does this change give the rear end a much cleaner look, it also does away with theneed for a brace between the seat- and chainstays, and allows for the use of thinner-walled seatstays to improve theride quality.

Niner also redesigned its eccentric bottom bracket. Dubbed Biocentric II, the new unit uses two 6mm bolts, versus asingle 8mm used previously, to more evenly distribute clamping forces and lessen the chance the unit will creak.There’s also a keyed 8mm slot to make chain tension adjustments. The Biocentric II is also compatible with Niner’sCYA modular bottom bracket system, allowing riders to choose the bottom bracket technology that best fits theirneeds: BB30, PressFit 30, BB92, or a tried-and-true threaded system. Best of all, Biocentric II is backwards compatiblewith Niner frames that use the Biocentric I EBB. Pricing and availability are not set.

Page 3: First ride report: Niner's redesigned S.I.R. 9 steel ... · loophole. Think this is the right bike for you? Want to help IMBA fight the good fight? Well, there’s a way to do both

6/24/12 4:16 PMFirst ride report: Niner's redesigned S.I.R. 9 steel hardtail | Dirt Rag Magazine

Page 3 of 6http://www.dirtragmag.com/webrag/first-ride-report-niners-redesigned-sir-steel-hardtail

Niner will also be offering their Maxle hardware to custom frame builders.

The Reynolds 853 front triangle was redesigned to accommodate the larger diameter headtube. Niner worked withReynolds to select the right butting profile to ensure the frame would pass stringent EN testing requirements.

Page 4: First ride report: Niner's redesigned S.I.R. 9 steel ... · loophole. Think this is the right bike for you? Want to help IMBA fight the good fight? Well, there’s a way to do both

6/24/12 4:16 PMFirst ride report: Niner's redesigned S.I.R. 9 steel hardtail | Dirt Rag Magazine

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While the S.I.R. 9 receives numerous updates the frame’s geometry remains unchanged.

Colors will be Tamale Red (with an option to purchase the frame with a color-matched RockShox XX SID fork), andArctic White. Weight for a medium S.I.R. 9 frame with Maxle hardware and seatpost clamp is approximately 4.8pounds. It will retail for $999 and will be available in approximately 12 weeks.

On the trailOn the trailAs mentioned previously, the updated S.I.R. 9 has geometry that is identical to its predecessor—quick, but not twitchyis how I would describe it. The frame is designed around 80-100mm forks. My demo bikes was spec’d with a 100mmRockShock SID fork and a mostly XTR drivetrain, all of which worked well enough that I could focus all of my attentionon the frame.

I was curious to find out of the inclusion of modern features, designed to bolster frame stiffness, might exaggerate thesteel frame’s lively feel to the point that “complaint” turned into “flexy.”

I’m happy to report that this was not my impression. Through tight switchbacks, bermed turns, and the occasional blastthrough rocky chunder the S.I.R. 9 displayed the refined ride quality one would expect from a high-end steel frame:comfortable, lively and precise.

So I mentioned the S.I.R. 9 will not be available for 12 weeks, and that it comes in red or white. Well, there is aloophole. Think this is the right bike for you? Want to help IMBA fight the good fight? Well, there’s a way to do both atthe same time.

Niner is auctioning off on eBay six custom-painted, IMBA-themed S.I.R. 9 frames with matching carbon RDO forks—seen here with the yellow paint. One hundred percent of the proceed go directly to IMBA. The auctions end June 29,so bid early and often!

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All they had to say was "Reynolds 853" I'm sold.

Punkinpants

Like Reply3 days ago 1 Like

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6/24/12 4:16 PMFirst ride report: Niner's redesigned S.I.R. 9 steel hardtail | Dirt Rag Magazine

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Such an awesome frame... and so out of my price range...

Matt Dykstra

Like Reply3 days ago

I already ordered mine!

dizzle12

Like Reply3 days ago

Page 6: First ride report: Niner's redesigned S.I.R. 9 steel ... · loophole. Think this is the right bike for you? Want to help IMBA fight the good fight? Well, there’s a way to do both

6/24/12 4:16 PMFirst ride report: Niner's redesigned S.I.R. 9 steel hardtail | Dirt Rag Magazine

Page 6 of 6http://www.dirtragmag.com/webrag/first-ride-report-niners-redesigned-sir-steel-hardtail