Sortie 1

The Diamondback Sortie series is the quintessential trail bike. Responsive enough for challenging epic trail rides or those all day XC grinders, the Sortie craves and owns the singletrack domain. The Sortie One is designed to strike a balance of agility and stability. It rides well at all speeds is as nimble climbing up the mountain as it is stable descending.

Years of product testing and refinement have gone into the Sortie’s platform. For 2012 we’ve revamped the rear triangle effectively making it stronger and stiffer without any weight gain. Put simply, the Sortie One is a bike that’ll make you feel like you are cheating.

Diamondback’s Design Philosophy is a no-nonsense approach to building quality bicycles. We want our bike designs to be straightforward: their hardware accessible and their suspension simple.

2012 Sortie One frames are created from 6061-T6 Weapons Grade Aluminum and features a hydroformed top tube, a butted and formed downtube and seatstays, an under arch seatstay bridge, a tapered headtube, a standard 9×135mm vertical drop out and Diamondbacks legendary Knuckle Box Suspension technology.

The Knuckle Box, or bell crank, is the core of our single-pivot four-bar suspension platform. Optimally placed pivots equate to a low leverage ratio, and ultimately to superior pedaling efficiency and small-bump compliance. This also allows the shock to work more efficiently and reduces pedal induced motion. It also reduces overall load on the system which will lead to improved shock and bearing life.

Placing the Knuckle Box low within the frame, situates the greatest weight of the bike closer to the bottom bracket, which lowers the bike’s center of gravity and allows it to better track and corner.

Wheel-rate is also one of the most significant aspects of a suspension system. Wheel-rate is the effective spring-rate when measured at the wheel. A benefit of our four-bar linkage is increased control over the wheel-rate. Obtaining the spring-rate curves in a shock allows us to determine the wheel-rate. We’re then able to optimize the wheel-rate to be linear-to-slightly progressive. This results in superb small-bump compliance, more perceived travel and excellent bottom-out protection. For this application we’ve chosen to run a Rock Shox ARIO R Air Shock with rebound adjust – keeping things simple and effective.

Component wise, the Sortie One continues to be a high performance machine, weaving in a more cost effective component package. Starting with a Rock Shox XC 32 120mm travel coil sprung fork , with turnkey lockout, external rebound damping, preload adjust and a standard 9mm quick release axle.

Shimano adds value with this Deore/Alivio drivetrain which includes an Alivio 9spd Hollowtech crankset shifters and front derailleur, a Deore rear derailleur, a KMC Z99 chain and Hayes drops some stopping power with a set of Dyno Comp hydraulic disc brakes.

A DB AL6061 aluminum and DB Lazer Series 31.8mm low rise bar comprise the cockpit while a WTB Vigo seat provides a style and comfort atop a Diamondback Lazer Series Micro Adjust 31.6mm post for those all day spins.

Last but not least we’ve finished off the Sortie One with a set of 32h SL-6 Doublewall Disc rims laced to alloy disc hubs and mounted with Kenda Slant 6 tires.

Knuckle Box Frame Characteristics:

Single-Sided Hardware – Single-sided oversized heat treated hardware is used for the three main pivot points allows for easy access to your 14 high-quality Enduro Max bearings simply with standard tools. No more removing the crankset to tighten or service your pivots.

Partnership w/ Fox – By providing suspension kinematics early in our design process, Fox is able to custom tune their shock to work precisely with our frames, improving performance.

LOW AND TIGHT – The Knuckle Box platform was designed specifically to be low and tight:

Knucklebox Technology

  • Low center of gravity: All suspension parts are positioned farther down on the frame for a stable and balanced ride.
  • Low leverage suspension design: Lower air pressure results in longer shock life, less frame loading and better pedaling.
  • Tight, compact linkage system of the Knuckle Box bell crank isolates and cradles the rear shock.
  • Tight and large anodized aluminum hardware, matched with Force-Rated Enduro Max Bearings: Withstands higher loads and better handles oscillating motion.

The 2012 Sortie series comes in SM (15.5"), MD (17"), LG (19"), XL (21") sizes and the One is white in color.

If you are on the hunt for the most nimble and aggressive Trail/XC bike on the market… look no further. The Sortie One is the perfect full suspension trail machine for the rider serious about the ride and the value.

Highlights:

  • Weapons Grade Aluminum Sortie 5” Trail Frame w/ Knuckle Box Suspension Platform
  • Rock Shox XC32 120mm Fork w/TurnKey Lockout / Rock Shox ARIO R Rear Shock
  • Shimano Alivio 9spd Crankset, Alivio frt and SLX rear Derailleur’s
  • SL-6 Double Wall Disc Rims
  • Hayes Dyno Comp Hydraulic Disc Brakes

Bike Specs

Sizes 15.5" Small  17" Medium  19" Large   21" XLarge  
Frame Sortie Trail 5" 6061-T6 Weapons Grade Aluminum w/ Hydroformed Top Tube, Butted / Formed Down Tube / Seatstays, Under Arch Seatstay bridge, Knuckle Box Technology, 9mmx135mm Verticle Drop out
Fork Rock Shox XC 32 120mm travel coil spring, w/Turn key Lockout external rebound damping, Preload adj.
Rear Shock Rock Shox ARIO R 200x57mm Air w/ rebound adj
Cranks Shimano Alivio 9spd Hollowtech, Octalink w/ replaceable rings, 22/32/44t
Bottom Bracket Shimano BB-ES25 w/Octalink spindle
F. Derailleur Shimano Alivio dual pull, top swing, 34.9
R. Derailleur Shimano Deore SGS 9spd Shadow type
Shifter Shimano Alivio 9spd Rapidfire
Brake Levers Hayes Dyno Comp w/ reach adj.
Brakes Hayes Dyno Comp Hydraulic frt,V7" / V6" rear Rotors
Cassette Shimano HG30 9spd Cassette (11-34t)
Rims 32h SL-6 Doublewall Disc
Tires KENDA Slant 6 26x2.1
Pedals DB Toe Clip Compatible alloy
Handlebar DB Lazer Series 31.8mm low rise
Stem DB AL6061 Ahead 7° 31.8mm
Seatpost Diamondback Lazer Series Micro Adjust 31.6mm
Seat WTB VIGO comp
Headset Zerostack, shallow steel cups, Loose ball bearing 1 1/8"
Colors White
Chain KMC-Z99
Hubset (F) 32h SL-6 Alloy w/ CNC Disc Mount (R) 32h SL-6 Alloy Cassette w/ CNC Disc mount
Spokes Black 14g Stainless Steel
Grips DB4L 135mm Kraton
Extras Knuckle Box Shock Pump, Sag Gauge, DB Key Chain, Owner’s manual / Sortie owner's manual cover, Chainstay Protector, Clear Coat, H20 bottle mounts
Note Specifications Subject to Change

Geometry

Size 15.5" Small 17" Medium 19" Large 21" XLarge
Seat Tube Length ** 15.5" 17.0" 19.0" 21.0"
Standover Height 28.0" 28.5" 28.5" 29.5"
Top Tube Length * 22.5" 23.5" 24.0" 25.0"
Head Tube Length 120.0mm 130.0mm 130.0mm 140.0mm
Head Angle 70.0° 70.0° 70.0° 70.0°
Seat Angle 73.0° 73.0° 73.0° 73.0°
Wheel Base 1076.0mm 1106.0mm 1115.0mm 1134.0mm
Chain Stay Length 435.0" 435.0" 435.0" 435.0"
Fork Offset 35.0mm 35.0mm 35.0mm 35.0mm
BB Height 336.0" 336.0" 336.0" 336.0"
Stem Length 90.0mm 90.0mm 105.0mm 105.0mm
Handlebar Width 670.0mm 670.0mm 670.0mm 670.0mm
Crank Length 170.0mm 175.0mm 175.0mm 175.0mm
Seat Post Length 300.0mm 300.0mm 300.0mm 300.0mm
* Measured Horizontally ** Measured from Center

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