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FOX Racing Shox34 Float SC 29 FIT4 Remote Adjust Factory Boost Fork


Item # FRSC05L

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Item # FRSC05L

34 Float SC 29 FIT4 Remote Adjust Factory Boost Fork

Aggressive cross-country riders looking for a lightweight, hard-charging fork need not look beyond the FOX 34 Float Step-Cast. Sporting similar design and weight-saving tricks first employed on the 32 Step-Cast Fork a few seasons ago, the 34 is designed to excel on more technical cross-country courses and provides riders seeking the lightest trail-worthy fork available. And while most forks become a bit spindly or lose tire clearance which such weight savings, amazingly the Step-Cast 34 isn't a slave to flex, tracking with authority on demanding trails and clears up to 2.6-inch rubber. Marathon and 24-hour cross-country racers will also appreciate its 2-position handlebar remote that allows for instant efficiency on smoother trails, gravel climbs, and tarmac sections.

The secret to its lightweight build comes from those stepped lowers legs of the 34 Step-Cast, which are sculpted and 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 0.3lb lighter than a comparable 32 Float with 120 millimeters of travel and a substantial 0.5lb 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 24-hour races where you'll find a mixture of trail conditions ranging from buff singletrack to bumpy root and rock sections. Seeing it sports 34-millimeter stanchions, it's inherently stiffer than the spindlier Float 32. 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. This equates to a more responsive fork and one that tracks better at high-speed and offers 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.

Inside, you'll find a refined air spring and damper that's set-up for the needs of competitive racers, thanks to its 2-position adjustable remote. The Fit4 damper gets a handlebar-mounted remote that allows you to lock it out without having to reach down to your fork crown, keeping you in control, preserving energy, and saving time when you're sprinting towards the finish line or standing up to attack a buff section of singletrack. The Float air spring has EVOL, which is FOX's term for increasing the negative air spring volume for a suppler feel that's more sensitive to soaking up bumps, rocks, and roots along the way.

  • FOX's lightweight XC fork that doesn't sacrifice stiffness
  • Designed for marathon racers and technical trails alike
  • Packs 120mm of travel and uses a Boost, Kabolt 110mm axle
  • Stepped, hollow lowers significantly reduce its weight
  • Stiffness is similar to that of 140mm 34 Float Fork
  • Float air spring with EVOL negative spring boosts small-bump compliance
  • Fit4 damper with 2-position remote offers handlebar on-the-fly lockout
  • 29in version of 34 Step-Cast clears 2.6in tires

Tech Specs
Stanchion MaterialKashima-coated aluminum
Lower Materialmagnesium
Crown Material7000-series aluminum
Wheel Size29in
Steer Tube Diameter1-1/8 - 1-1/2in tapered
Stanchion Diameter34mm
Rake44, 51mm
Spring TypeFloat air with EVOL
DamperFIT4 with 2-position adjust remote
Adjustability2-position adjust remote: Open, Firm, external rebound adjust
Axle15 x 110mm Boost Kabolt
Brake Compatibilitypost-mount disc
Rotor Compatibility160 - 203mm
Recommended Usecross-country, trail
Manufacturer Warranty1 year limited

Claimed Weight

Claimed weights are provided by the vendor.

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3lb 4.8oz

Actual weights are measured in-house by the Competitive Cyclist team.

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What do you think about this product?


>Rating: 5

Woah. This is *the* fork to get.

I've put it through the wringer
True to size

I ride a Specialized S-Works Epic HT and my wife rides a Specialized Epic FS. We both ride the SC 34, mine has the lockout on top of the fork and my wife rides the remote lockout version. Having now ridden both versions here's my .02$ that the remote lockout is absolutely the way to go. The remote lockout included with the fork is silky smooth and fits really well in the cockpit mounted above on top of the right side of the bar to keep a paddle style dropper on the left. The levers on the remote both have short smooth throws and are easy to actuate even while the fork is under load. Something I noticed with a manual lockout is that if I was unlocking the fork while putting pressure on the stanchions during a climb the lockout would feel 'stuck' and be hard to open up. Which isn't great when you have a second with a hand off the bars before descending. With this remote version there's no 'stuck' unlock feeling. Also, the remote lockout version is a 2-step either locked out or full open vs. the manual which has a 3 position lever. The middle position on the manual lockout is hard to find while riding because the clicks aren't perceptible through gloves, especially on trail making this middle setting functionally useless. The remote was also really easy to install using the FOX website videos, it took maybe 10 minutes with most of that faffing around with removing grips / other cockpit bits. Riding wise... When you start descending this fork is straight up cheating. I'm a heavier rider (205) and feel absolutely no flex and get beautiful small bump compliance after playing with tokens. Could not recommend this fork more highly - it makes you faster and makes riding more fun which is the goal right? It's also definitely saved me from going over the bars on steep / techie blacks in Sedona where a hardtail shouldn't belong but the SC 34 makes even the scary stuff manageable on a HT bike.