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  • FOX Racing Shox 34 Float SC 27.5 120 3-Pos-Adj FIT4 Boost Fork - 2019
  • FOX Racing Shox 34 Float SC 27.5 120 3-Pos-Adj FIT4 Boost Fork - 2019 Top
  • FOX Racing Shox 34 Float SC 27.5 120 3-Pos-Adj FIT4 Boost Fork - 2019 Top
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FOX Racing Shox34 Float SC 27.5 120 3-Pos-Adj FIT4 Boost Fork - 2019

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Item # FRS008N

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Description

Slimmed down without losing muscle.

FOX's 32 Step-Cast Fork was brought to market a few years ago to shave every last gram for cross-country efficiency, albeit at the expense of stiffness and support, seeing it's only packing 100 millimeters of travel and svelte 32-millimeter stanchions. Realizing many trail riders and cross-country racers desired a bit more travel and support from their lightweight fork, FOX designed the 34 Float SC 27.5 120 3-Pos-Adj FIT4 Boost Fork to significantly reduce weight from a traditional 34 Float Fork, but without forgoing much in terms of stiffness and support as you drop into rocky descents and pummel over root-infested singletrack.

The secret to its incredibly lightweight disposition lies in the stepped lowers of the 34 Step-Cast, which are hollowed out to reduce weight, complete with shortened shaft lengths and the same 8-millimeter damper shaft as used in the 32 Step-Cast Fork. In terms of actual weight savings, you'll find it's approximately 4.8 ounces lighter than a comparable 32 Float with 120 millimeters of travel and a whopping 8 ounces lighter than a 34 Float with 140 millimeters of travel. Both of these figures might not seem like a big deal, but they're pretty significant seeing the lengths some riders go for weight savings, especially in a world where carbon components will cost you a pretty penny and likely not reduce as much weight as running this 34 Step-Cast Fork.

Instead of being solely intended for cross-country domination, the 34 Step-Cast sets its sights on everything from epic trail rides to marathon events and adventure races where you'll find a mixture of trail conditions ranging from smooth-buffed dirt to bumpy root and rock sections. Seeing it's packing 34-millimeter stanchions, it's inherently stiffer than the more spindly 32 Step-Cast. In fact, FOX claims it's a whopping 15 percent stiffer than a 120-millimeter Float 32 Fork and it's on par with a 34 Float with 140 millimeters of travel, in terms of stiffness and support on bigger hits and technical terrain. Ultimately, this means you'll be able to use a trail-worthy fork on your cross-country race machine or short-travel trail bike without sacrificing efficiency or losing the support you've become accustomed to with a 34 Float.

Delving into the air spring and damper available with the 34 Step-Cast, you'll find it's similar to what you've likely been riding on FOX for the past couple of seasons, which is a good thing if you enjoy bump-smoothing compliance and traction, as well as three on-the-fly adjustable settings and separate low-speed compression tuning. The Float air spring has EVOL, which is FOX's term for increasing the negative air spring volume for a more supple feel that's more responsive to soaking up bumps, rocks, and roots along the way. FOX then uses their Fit4 damper with 3-position adjust, which is carried over from 34 Float to give you Open, Medium, and Firm settings with the simple flick of a knob, plus the ability to dial the low-speed compression to your exact liking in the Open mode.

  • Feathery efficiency without sacrificing trail support
  • Designed for grueling adventure races and epic trail rides
  • 34 Step-Cast with 120mm of travel and Kabolt 110 bolt-on axle
  • Stepped, hollowed-out lowers significantly reduce its weight
  • Stiffness is similar to what you'd find in a 140mm 34 Float
  • Float air spring with EVOL for better small-bump compliance
  • Fit 4 damper with 3-position adjust: Open, Medium, Firm modes
  • 27.5in model of the 34 Step-Cast clears wider 2.8in tires
Tech SpecsWeight
Tech Specs
Travel
120 mm
Stanchion Material
Kashima-coated aluminum
Lower Material
magnesium
Crown Material
7000-series aluminum
Wheel Size
27.5 in
Steer Tube Diameter
1-1/8 - 1-1/2 in tapered
Stanchion Diameter
34 mm
Rake
44 mm
Spring Type
Float with EVOL
Damper
Fit4 with 3-position adjust
Adjustability
3-position adjust: Open, Medium, Firm settings, Open mode: low-speed compression tuning, external rebound adjust
Lockout
Firm setting
Axle
15 x 110 mm Boost thru-axle
Brake Compatibility
disc
Recommended Use
cross-country, trail
Manufacturer Warranty
1 year limited
Weight

Claimed Weight

Claimed weights are provided by the vendor.

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[34 Step-Cast, 27.5 in, 110mm Kabolt] 1589 g

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Unanswered Question

Hi. I have a 27.5” Scott Spark (model year 2014) with the 3-posiiton Climb-Trail-Descend "TwinLoc" remote that operates both the fork and the shock with a wire. The bike is currently set up w a Fox 32X120mmX27.5" fork. Can this 3-position fork be installed with the existing remote? I realize I’ll have to change the front axle from 100mm to Boost 110mm.