Niner SIR 9 Review, Tested on the Colorado Trail


Niner Sir 9 2 Star Bike 2020 Jenson USA

Niner SIR 9 Frame 2021: Made from metal. SIR 9 is made from rugged, reliable, comfortable Reynolds 853 steel.


Niner SIR 9 Review, Tested on the Colorado Trail

The new Niner SIR 9 was designed around Niner's [r]evolution Trail Geometry and has a 68° head tube angle, 74° seat tube angle, a 427mm chainstay, and a 55mm BB drop. The Niner SIR 9 is available as a frame only for $1200 or one of nine build kits — five 29er options ranging from 2-Star SLX at $3,000 to 5-Star Eagle X01 Carbon for a cool $6k.


2021 Niner SIR 9

Susan Miller February 22, 2021 In early 2017, the SIR 9 had vanished from Niner's website, shocking and confusing more than a few fans of this steel-framed classic. It wasn't until June that Niner officially released its newly revamped SIR 9, and with the dust settled, it was time for Dirt Rag to see how this classic has evolved.


Niner SIR 9 Review, Tested on the Colorado Trail

The Niner SIR 9 2-Star Bike is a steel-framed bike that is rugged, reliable, and comfortable with Reynolds 853 tubing. It is designed to work with 29" or 27.5+ tires and has 120mm of travel on the front. Trail Country geometry blurs the lines between modern trail bike geometry and traditional cross-country geometry.


2019 Niner SIR 9 GX Eagle Jenson USA Exclusive Bike Reviews, Comparisons, Specs Mountain

Silky steel big-wheeler


2019 Niner SIR 9 4Star

The S.I.R. 9 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.


Niner SIR 9 Review, Tested on the Colorado Trail

SIR 9 Frame Gloss Black/Bronze $1,499.00 $1,199.00 The SIR 9 is built to last and not let you down. When you're spinning up the steeps, bombing down the backcountry and grinding out the final miles as the sun sinks into the horizon, you need a bike you can trust. A comfortable, capable, hand-built made from proven, air-hardened, heat treated steel.


Niner SIR 9 Review, Tested on the Colorado Trail

Niner's latest SIR 9 is the company's third iteration on their cult classic hardtail. For 2017, it retains the high-end Reynolds 853 tubeset for which the bike is known, infusing its new frame with an up-to-the-minute geometry, all the latest industry standards, clearances for 27.5+ tires, and a host of bikepacking-friendly braze-ons.


Niner Cerakote SIR 9 Dream Build

sir_9 Are you a carbon connoisseur, adventure addict, king of the mountain, weekend bikepacker, grocery-getter, commuter extraordinaire, cross country speedster, gear-hoarder, steel-for-life supporter?


Niner Bikes Updates Classic Steel SIR 9 Hardtail Singletrack Magazine

Niner has revamped their entire line over the past year or so, and the latest bike to receive a reboot is the SIR 9 hardtail. The SIR has been in Niner's catalog pretty much since the beginning as a classic XC steel hardtail. Then, a few years ago Niner introduced the ROS 9, a steel hardtail with much more aggressive intentions.


Niner Bikes 2020 SIR 9 2STAR Hardtail Mountain Bike (Cement/Black/Copper) (XL) [03129200620

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Niner SIR 9 Review, Tested on the Colorado Trail

Cerakote SIR 9 We have said it before and we will say it again, we here at Niner love a custom paint job on our favorite bikes. For example, Niner has a long history of creating one-of-a-kind bike frames with an IMBA paint scheme and donating these bikes to support trail advocacy.


SIR 9 Aggressive Steel Hardtail Niner Bikes

Niner's eccentric bottom bracket lets you drop your gears if simplicity is your thing. Niner's iconic SIR 9 is the most recent to take advantage of those trends. Now built around a 120 millimeter fork, the new SIR 9 got, you guessed it, longer, lower, and slacker. Boost spacing and a refined bottom bracket / chainstay junction shrank the rear.


2013 Niner SIR 9 Singlespeed Bike Reviews, Comparisons, Specs Mountain Bikes Vital MTB

AIR 9 Durable, affordable, aluminum Build your AIR 9 To AIR 9 is human An aluminum hardtail with the DNA of a trail bike If a cross-country race bike met a rugged trail bike in the woods, their love child might look a lot like our AIR 9 aluminum hardtail.


TESTED Niner SIR 9 Australian Mountain Bike The home for Australian Mountain Bikes

At a glance. The 2022 Niner SIR 9 Frameset is an Cross Country Steel mountain bike. It sports 29" wheels, is priced at $1,200 USD and comes in a range of sizes, including SM, MD, LG, XL. The bike is part of Niner 's SIR range of mountain bikes.


Niner SIR 9 27.5+ 2Star Mountain Bike 2019 Bike

The SIR 9 is perfect for just about any type of riding, no matter how long or short. It's a butt-kicking, grin-inducing lunch ride launch pad when you only have 30 minutes to burn in the back lot. It's also made for multi-day missions in the backcountry. And it's made to make you happy the minute you throw a leg over it.