By creating a Step-Cast option in the FOX designers were able to shave even more weight from the lowers.
The FOX Factory 34 Step-Cast is available in both 120 and 100mm travel in 29″ forks as well as a 120mm travel 27.5″ option.
The Factory 34 Step-Cast 100mm fork has an even lighter option in the 32 Step-Cast – however – as more bikes take on wider ranges of terrain the slight weight increase of the 34 Step-Cast is rewarded with increase stiffness.
The FOX Factory 32 Step-Cast is available in 100mm travel in 27.5″ and 29″ options. Looking to shave even more weight from your build? The FOX 32 SC forks are available in 100mm axle widths! The slightly narrower front hub shaves a few grams from your bike. The 32 SC is also available in 110 boost configurations.
Already know the FOX Factory Step-Cast you need? Scroll down and shop In-Stock Forks or use the contact form to let us know exactly what you want!
Learn more about the FOX Factory 34 and 32 SC details on the tabs below!
Review FIT4 damper options, see available configurations and learn about suspension setup.
What is Step-Cast?
It’s a “step” in the casting allowing for a lighter fork lower.

As you can see in FOX’s cutaway of the 32 SC the lowers can be modified shaving precious grams from the fork.

You can see in the images how the FOX Step-Cast fork lowers are uniquely shaped. The lower travel required for the air shaft and damper allowed the fork lowers to be modified.
34 SC forks utilize the standard 110mm axle width. 32 SC are available in standard 110mm as well as 100mm axle widths.
The FOX Factory Step-Cast also feature the Kabolt axle to trim even more weight off your bike.

The FOX Factory Step-Cast is available in the 3 position FIT4 damper in a standard (lever at the top of fork) or Remote configuration. The Remote FIT4 offers 3 positions with the FOX remote (sold separately).
Click through the tabs above to learn more about the Factory Step-Cast options, configurations and BikeCo options.

Above is an image highlighting the FOX Factory 32 Step-Cast Detail.
Click through the tabs above to learn more about the Factory 34 Step-Cast options, configurations and BikeCo options.
Step-Cast FIT4 Fork
A great option for lighter riders or those looking for a climb switch or on-the-fly adjustment or riders looking for a poppy, lively fork at a bit lower speeds than the GRIP2 damper.
FIT4 Damper
On trail the FIT4 gives riders easy access to a 3 position Open, Medium and Firm setting – great for stiffening the bike’s fork on those long climbs. The FIT4 is robust enough for Enduro duty for lighter riders and provides a great Trail riding feel for a wide range of users.

Above is the standard FIT4 3 postion lever.
Below is the FIT4 Remote configuration. The FIT4 Remote requires an remote, sold separately, and routes a shift cable to the 3 position switch.

FOX FIT4 Compression Controls
The inner black knob controls the FOX FIT4’s Low Speed Compression (or Open Mode Adjust) while the larger diameter blue lever is a on-the-fly 3 position Open, Medium, Firm switch.
On-The-Fly – 3 Positions: Open – Medium – Firm
Low-Speed Compression (Open Mode Adjust) – 22 Clicks
Looking for a little more support on your climb? The FIT4 3 position Open, Medium, Firm switch provides a popular pedal platform for those long grinds.
The FIT4 also provides riders tunable support and bottom out resistance with 22 clicks of Low-Speed Compression adjustment. This setting will shift the performance in the 3 position switch’s Open mode. This is popular to give the bike a bit more support in the corners, under hard braking, etc. The 22 clicks of Low-Speed Compression are typically tuned in concert with the fork’s volume spacers.

FOX FIT4 Rebound Controls
The red knob at the bottom of the lower controls the FIT4 Low-Speed Rebound.
Low-Speed Rebound – 10 Clicks
Rebound settings will vary depending on rider size, ground speed and terrain. Ideally rebound is set fast enough to allow the fork to return to neutral before the next obstacle without being a pogo-stick!
*note (per FOX’s site): 34 FLOAT, FLOAT SC, and Rhythm maximum pressure is 120psi/ 8.3 bar
The FOX Float EVOL air spring has been fine tuned over the years to provide riders exceptional performance.
Using volume spacers the FOX Factory 34 Step-Cast fork can modify its progression rate creating either a more linear (less volume spacers, more total air volume) or more progressive (more volume spacers, less total air volume) feel.
FOX 34 Step-Cast Fork Maximum Volume Spacers
Do not use more volume spacers than FOX specifies. Severe damage to the fork and or loss of control will occur.
FOX 34 Step-Cast Maximum Volume Spacers
120mm: 4
100mm: 5
*note (per FOX’s site): 32 FLOAT and Rhythm maximum air pressure is 140psi/ 9.6 bar
The FOX Float EVOL air spring has been fine tuned over the years to provide riders exceptional performance.
Using volume spacers the FOX Factory 32 Step-Cast fork can modify its progression rate creating either a more linear (less volume spacers, more total air volume) or more progressive (more volume spacers, less total air volume) feel.
FOX 32 Step-Cast Fork Maximum Volume Spacers
Do not use more volume spacers than FOX specifies. Severe damage to the fork and or loss of control will occur.
FOX 32 Step-Cast Maximum Volume Spacers
100mm: 4
FOX Step-Cast Factory Fork Shared Features
Upper Tube Finish: Kashima Coat

Rotor Size 160 direct Post Mount, Up to 180 compatible
Air Spring FLOAT EVOL
Steerer 1.5 Taper
Steer Tube: 1.5″ Taper

FOX Factory 34 Step-Cast Fork Configurations and Part Numbers
Both the 27.5″ and 29″ FOX Factory 34 SC Forks are offered with the FIT4 damper.
The gloss orange lowers are available from FOX only in the 29″ configuration.
FOX 34 Step-Cast FIT4 3-Position

Gloss Orange: FOX 34 SC
The following are the details for the FOX Factory 34 SC Shiny Orange fork available from FOX.
29″ FOX Factory 34 Step-Cast FIT4 Shiny Orange
120mm Travel with 44mm Offset Lowers and Kabolt Axle
FOX Part Number: 910-21-011
100mm Travel with 44mm Offset Lowers and Kabolt Axle
FOX Part Number: 910-21-057
120mm Travel with 51mm Offset Lowers and Kabolt Axle
FOX Part Number: 910-21-012

Gloss Black: FIT4 3-Position
The following are the details for the FOX Factory 34 SC Shiny Black fork available from FOX.
29″ FOX Factory 34 Step-Cast FIT4 Shiny Black
120mm Travel with 44mm Offset Lowers and Kabolt Axle
FOX Part Number: 910-21-013
100mm Travel with 44mm Offset Lowers and Kabolt Axle
FOX Part Number: 910-21-053
120mm Travel with 51mm Offset Lowers and Kabolt Axle
FOX Part Number: 910-21-014
10mm Travel with 51mm Offset Lowers and Kabolt Axle
FOX Part Number: 910-21-060
27.5″ FOX Factory 34 Step-Cast FIT4 Shiny Black
120mm Travel with 44mm Offset Lowers and 15QR Axle
FOX Part Number: 910-20-947
FOX 34 Step-Cast FIT4 3-Position Remote

Shiny Orange: FIT4 Remote
29″ FOX Factory 34 Step-Cast FIT4 Remote Shiny Orange
120mm Travel with 44mm Offset Lowers and Kabolt Axle
FOX Part Number: 910-21-042
100mm Travel with 44mm Offset Lowers and Kabolt Axle
FOX Part Number: 910-21-042

Shiny Black: FIT4 Remote
29″ FOX Factory 34 Step-Cast FIT4 Remote Shiny Black
120mm Travel with 44mm Offset Lowers and Kabolt Axle
FOX Part Number: 910-21-059
100mm Travel with 44mm Offset Lowers and Kabolt Axle
FOX Part Number: 910-21-043
120mm Travel with 51mm Offset Lowers and Kabolt Axle
FOX Part Number: 910-21-058
100mm Travel with 51mm Offset Lowers and Kabolt Axle
FOX Part Number: 910-21-044
FOX Factory 32 Step-Cast Fork Configurations and Part Numbers
Both the 27.5″ and 29″ FOX Factory 32 SC Forks are offered with the FIT4 standard or remote.
The gloss orange lowers are available from FOX only in the 29″ configuration.
FOX 32 Step-Cast FIT4 3-Position

Gloss Orange: FOX 32 SC
The following are the details for the FOX Factory 32 SC Shiny Orange fork available from FOX.
29″ FOX Factory 32 Step-Cast FIT4 Shiny Orange
100mm Travel with 44mm Offset Lowers and 110mm Kabolt Axle
FOX Part Number: 910-21-219
100mm Travel with 51mm Offset Lowers and 110mm Kabolt Axle
FOX Part Number: 910-21-218

Gloss Black: FOX 32 SC
The following are the details for the FOX Factory 32 SC Shiny Black fork available from FOX.
27.5″ FOX Factory 32 Step-Cast FIT4 Shiny Black
100mm Travel with 44mm Offset Lowers and 100mm Kabolt Axle
FOX Part Number: 910-21-230
29″ FOX Factory 32 Step-Cast FIT4 Shiny Black
100mm Travel with 44mm Offset Lowers and 110mm Kabolt Axle
FOX Part Number: 910-21-222
100mm Travel with 51mm Offset Lowers and 110mm Kabolt Axle
FOX Part Number: 910-21-220
100mm Travel with 44mm Offset Lowers and 100mm Kabolt Axle
FOX Part Number: 910-21-223
100mm Travel with 51mm Offset Lowers and 100mm Kabolt Axle
FOX Part Number: 910-21-221
FOX 34 Step-Cast FIT4 3-Position Remote

29″ FOX Factory 32 Step-Cast FIT4 Remote Shiny Orange
100mm Travel with 44mm Offset Lowers and 110mm Kabolt Axle
FOX Part Number: 910-21-035
100mm Travel with 51mm Offset Lowers and 110mm Kabolt Axle
FOX Part Number: 910-21-034

27.5″ FOX Factory 32 Step-Cast FIT4 Remote Shiny Black
100mm Travel with 44mm Offset Lowers and 110mm Kabolt Axle
FOX Part Number: 910-21-040
100mm Travel with 44mm Offset Lowers and 100mm Kabolt Axle
FOX Part Number: 910-21-041
29″ FOX Factory 32 Step-Cast FIT4 Remote Shiny Black
100mm Travel with 44mm Offset Lowers and 110mm Kabolt Axle
FOX Part Number: 910-21-038
100mm Travel with 51mm Offset Lowers and 110mm Kabolt Axle
FOX Part Number: 910-21-036
100mm Travel with 44mm Offset Lowers and 100mm Kabolt Axle
FOX Part Number: 910-21-039
100mm Travel with 51mm Offset Lowers and 100mm Kabolt Axle
FOX Part Number: 910-21-037
Check out a quick video to learn more about how your MTB suspension functions and how each setting interacts with the others.
FOX Step-Cast: FOX Performance vs. Factory Kashima
Let’s look at some differences from the Factory SC compared to the FOX Performance SC or a OEM Performance 34 SC.
Defining The Differences
FOX Factory
FOX Factory forks feature the Kashima coating as well as the top tier FIT4 damper in standard or Remote configuration.
They’re called Factory or Kashima options. And they’re pretty easy to spot with the dark brown hue.
The FIT4 provides a 3 position OPEN – MEDIUM – FIRM switch for climbing on those long days. The standard FOX Step-Cast features a lever on the top of the fork uppers. The Remote offering uses a shift cable to manipulate the lever (requires remote purchased separately).
FOX Performance ELITE
FOX Performance Elite forks typically feature the top tier damper systems, with all the adjustments of the Factory fork, but have a black ano coating.
FOX Performance
Some forks are available from FOX in a Performance configuration. The FOX Performance forks tend to have a less sophisticated GRIP damper, generally without as many compression controls as the Factory or Performance Elite shocks are spec’d with. The damper body has a black ano coating.
OEM FOX Step-Cast
You might see take-off shocks in a variety of configurations. Manufacturers can spec differences in the body, dampers, etc so understanding which damper is spec’d on an OEM fork will allow you to compare “apples to apples” so to speak.
FOX Factory SC vs Performance SC
Improved Compression Setup
This is the biggest difference.
The FOX Factory FIT4 offers a 3 position OPEN – MEDIUM – FIRM as well as the 22 clicks of Low-Speed compression adjustment in the OPEN mode.
The Factory forks use the low-speed compression with volume spacing to control support and bottom out.
The Performance GRIP damper has some adjustment to compression, however the circuit is simplified compared the FIT4.
Therefor a Performance fork leans on the volume spacing and PSI to produce support and bottom out characteristics.
This added Compression control is exceptionally notable as your ground speeds increase as well as for larger riders.
Kashima Coating vs Black Ano
Without access to all of FOX’s testing I’m referencing my years of experience riding both FOX coatings as well as our background on custom shock manufacturing and tuning.
The Black Ano coating works well. I ran a Performance Elite fork and shock with the black ano for years without noticing any wear in the coating.
The Kashima coating is slightly more “slippery” – which means less stiction – probably more notable for smaller riders.
When BikeCo has done custom internals or custom branded shocks we work closely with our coating specialists. Many of the additive packages aimed at producing a surface with less surface friction have an additional benefit that they work really well at negating or minimizing heat input on the shaft. This helps minimize performance changes to the shock during a fast run with thousands of shaft inputs. BTW: these additive packs tended to produce a rich, brown color… Just saying…
So in conclusion: Factory forks have notable advantages in overall tuning setup as well as direct benefits for large and small riders on different sides of the spectrum!
Comparing the FOX Step-Cast to other forks
The 34 SC fork is available in 100mm or 120mm travel aimed at the Cross Country, Endurance and into the Down-Country bike lineups.
The 120mm Step-Cast is unique to the FOX 34 while an even more “ultra-light” version of the FOX 32 Step-Cast is available in 100mm travel.
Riders on the fence for a 100mm option should look at their physical size and riding style. The FOX 34 Step-Cast will be slightly stiffer and more robust than the FOX 32 SC.
Riders looking for slightly longer travel options will shop the standard FOX 34 fork.
Questions on which fork is right for you? No worries – chat, email or call our expert staff and let’s go over your riding specifics to get you on the perfect fork for that dream build bike.
Shop In-Stock & Available Forks Below
(Don’t see what you’re looking for? Scroll down for a contact form and let us know what you need!)
Narrow by In-Stock and Available Forks
Don’t see what you’re looking for?
Use the inquiry form and our team will contact you with availability or similar options.
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27.5″ FOX Factory 32 Step-Cast FIT4 Fork Shiny Black Lowers 100mm, 44mm Offset 100mm Kabolt
$949.00Available: updated 01/27/23.
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27.5″ FOX Factory 32 Step-Cast FIT4 Fork Shiny Black Lowers 100mm, 44mm Offset 110mm Kabolt
$949.00Available: updated 01/27/23.
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27.5″ FOX Factory 32 Step-Cast FIT4 Remote Fork Shiny Black Lowers 100mm, 44mm Offset 100mm Kabolt
$1,039.00Use Inquiry form for product ETA!
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27.5″ FOX Factory 32 Step-Cast FIT4 Remote Fork Shiny Black Lowers 100mm, 44mm Offset 110mm Kabolt
$1,039.00Available: updated 01/27/23.
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27.5″ FOX Factory 34 FIT4 Fork Shiny Black Lowers 140mm, 44mm Offset
$969.00Use Inquiry form for product ETA!
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27.5″ FOX Factory 34 GRIP2 Fork Shiny Black Lowers 140mm, 44mm Offset
$1,039.00Use Inquiry form for product ETA!
Read more -
27.5″ FOX Factory 34 Step-Cast FIT4 Fork Shiny Black Lowers 120mm, 44mm Offset
$1,019.00Use Inquiry form for product ETA!
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27.5″ FOX Factory 36 FIT4 Fork Shiny Black Lowers 160mm, 44mm Offset
$1,079.00Available: updated 01/27/23.
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27.5″ FOX Factory 36 GRIP2 Fork Shiny Black Lowers 160mm, 37mm Offset
$1,149.00Available: updated 01/27/23.
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27.5″ FOX Factory 36 GRIP2 Fork Shiny Orange Lowers 160mm, 44mm Offset
$1,149.00Available: updated 01/27/23.
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27.5″ FOX Factory 36e GRIP2 Fork Shiny Black Lowers 140mm, 44mm Offset
$1,149.00Available: updated 01/27/23.
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27.5″ FOX Factory 36e GRIP2 Fork Shiny Black Lowers 160mm, 44mm Offset
$1,149.00Available: updated 01/27/23.
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27.5″ FOX Factory 38 GRIP2 Fork Shiny Black Lowers 170mm, 44mm Offset
$1,249.00Available: updated 01/27/23.
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27.5″ FOX Factory 38 GRIP2 Fork Shiny Black Lowers 180mm, 37mm Offset
$1,249.00Available: updated 01/27/23.
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27.5″ FOX Factory 38 GRIP2 Fork Shiny Black Lowers 180mm, 44mm Offset
$1,249.00Available: updated 01/27/23.
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27.5″ FOX Factory 38 GRIP2 Fork Shiny Orange Lowers 170mm, 44mm Offset
$1,249.00Available: updated 01/27/23.
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27.5″ FOX Factory 38e GRIP2 Fork Shiny Black Lowers 170mm, 44mm Offset
$1,249.00Available: updated 01/27/23.
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29″ FOX Factory 32 Step-Cast FIT4 Fork Shiny Black Lowers 100mm, 44mm Offset 100mm Kabolt
$949.00Available: updated 01/27/23.
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29″ FOX Factory 32 Step-Cast FIT4 Fork Shiny Black Lowers 100mm, 44mm Offset 110mm Kabolt
$949.00Available: updated 01/27/23.
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29″ FOX Factory 32 Step-Cast FIT4 Fork Shiny Black Lowers 100mm, 51mm Offset 100mm Kabolt
$949.00Available: updated 01/27/23.
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29″ FOX Factory 32 Step-Cast FIT4 Fork Shiny Black Lowers 100mm, 51mm Offset 110mm Kabolt
$949.00Available: updated 01/27/23.
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29″ FOX Factory 32 Step-Cast FIT4 Fork Shiny Orange Lowers 100mm, 44mm Offset 110mm Kabolt
$949.00Available: updated 01/27/23.
Add to cart -
29″ FOX Factory 32 Step-Cast FIT4 Fork Shiny Orange Lowers 100mm, 51mm Offset 110mm Kabolt
$949.00Use Inquiry form for product ETA!
Read more -
29″ FOX Factory 32 Step-Cast FIT4 Remote Fork Shiny Black Lowers 100mm, 44mm Offset 100mm Kabolt
$1,039.00Available: updated 01/27/23.
Add to cart
Buy with BikeCo: Advantages
Shopping suspension? There are notable reasons to work with The Bike Company. We care about Expertise & Experience: Yours!
Our staff is excited to help you get the right product, setup for your riding. Whether you’re looking to understand your product front to back or simply want to know you got the best product for your needs dialed in for your riding we are here for you.
BikeCo.com Pro Tune Suspension
Ready to take your Fox 34 StepCast fork’s performance to the next level? Then it’s time for BikeCo’s Pro Tune Suspension.
BikeCo’s suspension tuners take Fox’s excellent performing forks and shocks and personalize the tune parameters to your specifics.
We will contact you for a riding bio to assess your riding level, terrain, riding disposition, ground speeds, etc. Our proprietary modifications then narrow the fork’s performance window, and thus improve the adjust-ability for you!
Out of the box Fox makes a great product. But it has to “fit” everyone. From the lightweight, smooth rider to a biggest, burliest basher. And everything in between. Well, chances are you’re somewhere in a narrower window with your riding… Let’s dial it in for you.
After Sales Service from BikeCo.com
Another aspect that sets BikeCo apart is our after sales service. The best components for each budget is the first step. Dialing in the exact setup combination is the next step. No other shop has the experience to help you understand and setup modern mountain bikes.
Our team will reach out with a variety of loaded questions to help you find that “ah-ha” moment with your bike. A click here, a turn there, a bit of stack, a couple PSI – it can be intimidating. But not for BikeCo clients. We’re here by phone, email, chat or in-store to help you enjoy your MTB.
Contact Me: FOX Factory Step-Cast Fork
Questions on this product? Looking for a specific spec? Use this form and we will be in contact ASAP.Return to Top of Page