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Fox 40 Float RC2

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Fox 40 Float RC2

Post by downhillnews on Sun Feb 09, 2014 8:26 am



Selling my 6 month old 40 Float it is in great condition and in need of new home! Looking for $1000 if I drive to SB to meet up and sell it......

The Fox 40 Float RC2 FIT 26" fork is cutting edge, and yet it is already several years old. To you and me, the air sprung version of Fox's revered 40mm stanchioned downhill fork is brand new, but Fox's engineers and a few privileged athletes have been revising and testing, and winning races on, the "40 Air" for a long time, and now, finally, it is ready.

The term "ground up redesign" gets thrown around a lot, but in this case, the phrase is warranted. Stiffness is another vague metric that manufacturers are constantly chirping about, usually stating how much more of it their new product has. As an indication of the prowess of Fox Shox engineers, the prevoius coil-sprung version of the 40, which was respectably light, was deemed too stiff, opening the doors for a serious overhaul of the 40 and resulting in over a pound of weight loss and increased bump compliance and better wheel tracking. Not only the spring, but the crowns, stanchions, lowers, and even dropouts all sport new profiles. Extra machining, forward-facing bolts, and optimized clamp angles on the upper and lower crowns drop weight and improve grip on the stanchions. Stanchion wall profiles are internally butted, tapering thinner above and below the lower crown, which allows a micro amount of flex to take the edge off of chatter bumps, and of course reduces weight. The most striking visual difference is the arch of the magnesium lowers, which has been lightened and reinforced through a redistribution of material. Reinforcement at the lower bushing and removable pinch bolt threads in the dropouts finish off the lowers.

Also remarkable is the new spring. Actually an air/coil hybrid (positive spring is air, negative spring is a titanium coil), the spring system is able to replicate the linear behavior of a coil spring fork (if so desired), and allows fine-step tuning to dial in the progressiveness of the air spring. The negative spring, combined with the large volume air spring, makes for a fork that feels planted, plush, and seamless throughout it's travel.

Too much friction will hinder even the best spring's smoothness, and the 40 Float goes the distance to eliminate as much friction as possible. One source of friction is pressure changing within the lowers—be it from ambient temperature or elevation change—causing the dust seals to bite into the stanchions. Pressure relief valves integrated into the lowers behind the arch reduce seal friction with the push of a button by bleeding air. Friction is further reduced by the ultra-slippery Kashima Coat hard anodizing of the stanchions.
New for 2014

   New air spring - 152g weight savings vs. Ti spring
   New chassis (crowns, upper tubes, lower legs) - 307g lighter
   New RC2 damper - lighter weight and revalved
   Total Weight Savings - 1.16lb / 526g
   Crowns reshaped for increased downtube clearance
   Details: air bleed system, mudflap mounting bosses, replaceable pinch bolt hardware

   Actaul Weight: 6.20 pounds
   1 1/8" straight steerer tube
   Direct mount stem compatible
   Air spring
       Titanium coil negative spring
   Adjustments
       Rebound
       Low-speed compression
       High-speed compression
       Air spring pressure
       Air spring volume - internally adjustable
   Push button pressure equalzation
   Spring rate highly temperature resistant
   27.5"/650b wheel-specific
   Refined crowns
   Optimized lowers
   Replaceable axle pinch bolt threads
   One year warranty
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