Fox 32 Step-Cast Fork
What the checker says233will not fit11check before you buy343worth knowing
Run variant by variant through the mountain bike builder’s own engine. Every sentence below is the checker’s, unedited. Nothing here says this part fits your bike; it says what it does and does not fit among the parts we hold.
Checked against 5684 verified mountain bike parts in this catalog. 4903 produced no finding of any kind; that is 32 Step-Cast Performance 100 (2025). 32 Step-Cast Factory 100 (2025) clears 4774. Each variant produces 222 distinct errors and 4 to 11 distinct warnings.
Will not fit
- Will not fiterror · Front TireFront wheel size mismatch: Fork 29", Front tire 27.5". On 223 of the 617 verified tires in this catalog. Applies to all 2 variants.
- Will not fiterror · Front WheelFront wheel size mismatch: Fork 29", Front wheel 27.5". On 90 of the 270 verified front wheels in this catalog. Applies to all 2 variants.
- Will not fiterror · Front RimFront wheel size mismatch: Fork 29", Front wheel 27.5". On 33 of the 75 verified rims in this catalog. Applies to all 2 variants.
- Will not fiterror · Front WheelFront axle mismatch: Fork is Boost 15x110 but Front wheel hub is 20x110 Boost (DH). On 32 of the 270 verified front wheels in this catalog. Applies to all 2 variants.
- Will not fiterror · Front TireFront wheel size mismatch: Fork 29", Front tire 26". On 21 of the 617 verified tires in this catalog. Applies to all 2 variants.
- Will not fiterror · Rear TireUnsupported wheel setup: front 29" / rear 26" matches no configuration (24"/24", 26"/26", 27.5"/27.5", 29"/29", 32"/32", mullet = 29" front / 27.5" rear). On 21 of the 617 verified tires in this catalog. Applies to all 2 variants.
- Will not fiterror · Front RotorFront rotor too small: 140mm is below the Fox 32 Step-Cast Factory 100 minimum of 160mm (its native mount size). Post-mount adapters only space the caliper up, so no adapter can make a smaller rotor fit. On 18 of the 177 verified rotors in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Front RotorFront rotor too small: 140mm is below the Fox 32 Step-Cast Performance 100 minimum of 160mm (its native mount size). Post-mount adapters only space the caliper up, so no adapter can make a smaller rotor fit. On 18 of the 177 verified rotors in this catalog. Applies to 1 of 2 variants.
Fork travel min, Frame. 166 more findings from the same check, on up to 2 of the 258 verified frames each.
Wheel config, Frame. 19 more findings from the same check, on up to 1 of the 258 verified frames each.
Front brake mount, Front Brake. 12 more findings from the same check, on up to 1 of the 92 verified brakes each.
Headset steerer, Headset. 8 more findings from the same check, on up to 1 of the 70 verified headsets each.
Front axle, Front Wheel. 4 more findings from the same check, on up to 10 of the 270 verified front wheels each.
Front axle, Front Hub. 3 more findings from the same check, on up to 2 of the 40 verified front hubs each.
Front wheel size, Front Rim. 2 more findings from the same check, on up to 3 of the 75 verified rims each.
Front wheel size, Front Wheel. 2 more findings from the same check, on up to 3 of the 270 verified front wheels each.
Steerer, Frame. 2 more findings from the same check, on up to 17 of the 258 verified frames each.
Wheel config, Rear Rim. 2 more findings from the same check, on up to 3 of the 75 verified rims each.
Wheel config, Rear Wheel. 2 more findings from the same check, on up to 7 of the 607 verified rear wheels each.
Front wheel size, Front Tire. 1 more finding from the same check, on up to 3 of the 617 verified tires each.
Wheel config, Rear Tire. 1 more finding from the same check, on up to 3 of the 617 verified tires each.
Open a variant in the builder to see the ones that apply to your own parts.
Check before you buy
- Check before you buywarning · Front TireFront tire clearance: 2.5in tire is wider than Fox 32 Step-Cast Factory 100's 2.4in chassis max. On 109 of the 617 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Front TireFront tire clearance: 2.6in tire is wider than Fox 32 Step-Cast Factory 100's 2.4in chassis max. On 108 of the 617 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Front RotorFront rotor: 203mm exceeds the fork max of 180mm. A post-mount adapter is the part that steps a caliper up to a bigger rotor, sold in the maker’s own discrete size steps (commonly +20mm, e.g. 160 to 180mm or 180 to 200mm) rather than for any gap - and not every step is offered for every caliper model, so check the maker’s own fitment before buying. On 40 of the 177 verified rotors in this catalog. Applies to all 2 variants.
- Check before you buywarning · Front RotorFront rotor: 220mm exceeds the fork max of 180mm. A post-mount adapter is the part that steps a caliper up to a bigger rotor, sold in the maker’s own discrete size steps (commonly +20mm, e.g. 160 to 180mm or 180 to 200mm) rather than for any gap - and not every step is offered for every caliper model, so check the maker’s own fitment before buying. On 15 of the 177 verified rotors in this catalog. Applies to all 2 variants.
- Check before you buywarning · Front TireFront tire clearance: 2.8in tire is wider than Fox 32 Step-Cast Factory 100's 2.4in chassis max. On 15 of the 617 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Front RotorFront rotor: 200mm exceeds the fork max of 180mm. A post-mount adapter is the part that steps a caliper up to a bigger rotor, sold in the maker’s own discrete size steps (commonly +20mm, e.g. 160 to 180mm or 180 to 200mm) rather than for any gap - and not every step is offered for every caliper model, so check the maker’s own fitment before buying. On 11 of the 177 verified rotors in this catalog. Applies to all 2 variants.
- Check before you buywarning · Front RotorFront rotor: 223mm exceeds the fork max of 180mm. A post-mount adapter is the part that steps a caliper up to a bigger rotor, sold in the maker’s own discrete size steps (commonly +20mm, e.g. 160 to 180mm or 180 to 200mm) rather than for any gap - and not every step is offered for every caliper model, so check the maker’s own fitment before buying. On 5 of the 177 verified rotors in this catalog. Applies to all 2 variants.
- Check before you buywarning · Front TireFront tire clearance: 3in tire is wider than Fox 32 Step-Cast Factory 100's 2.4in chassis max. On 5 of the 617 verified tires in this catalog. Applies to 1 of 2 variants.
Front tire fork, Front Tire. 3 more findings from the same check, on up to 1 of the 617 verified tires each.
Open a variant in the builder to see the ones that apply to your own parts.
Worth knowing
- Worth knowinginfo · FrameHeadset: Antidote Carbonjack takes ZS44 upper / ZS56 lower cups (S.H.I.S.) to mount the fork - many frames ship with one; pick one here if yours does not. On 2 of the 258 verified frames in this catalog. Applies to all 2 variants.
Headset advisory, Frame. 342 more findings from the same check, on up to 1 of the 258 verified frames each.
Open a variant in the builder to see the ones that apply to your own parts.
$649.00 to $1,079.00 MSRP·1276 to 1330 g
What the maker states
- Travel
- 100 mm of travel (maker-stated)
- Wheel
- Built for a 29" wheel
- Axle
- Front axle Boost 15x110
- Steerer
- Tapered (1.5-1.125)
- Minimum front rotor
- Front rotor no smaller than 160 mm
- Maximum front rotor
- Front rotor up to 180 mm (maker-stated maximum)
2 verified variants
| Variant | Maximum tire | Price (MSRP) | Weight | Source | Last checked | Build |
|---|---|---|---|---|---|---|
| 32 Step-Cast Factory 100 (2025) | Tire up to 2.4" (maker-stated maximum) | $1,079.00 | 1276 g | maker’s page | 2026-07-13 | Build with this |
| 32 Step-Cast Performance 100 (2025) | not stated | $649.00 | 1330 g | maker’s page | 2026-07-17 | Build with this |
The rest of what the maker states2 stated·2 not published
- Brake mount Post mount.
- Tire up to 2.4" (maker-stated maximum) (on 1 of 2 variants).
2 further fields the checker looks for are not published by Fox, so we leave them blank rather than estimate them, and those 2 checks stay silent on this fork. They are maximum tire mm and maximum tire basis. Each is recorded as “not stated by the maker (not checked)”.
Source: each variant links the maker’s own page in the table above. Last checked 2026-07-13 to 2026-07-17.
Checked against
The checker ran this model against every verified part below that it has a slot for, the same way it checks a build in the builder. What follows is the verdict it actually produced for that specific pairing — not a recommendation, and not a guarantee any of these parts fits your own bike.
- 5DEV R-SPEC Trail/Enduro Cranks (Crankset) No conflicts found
- 9point8 Fall Line (Dropper Post) No conflicts found
- 9point8 Stout (31.8, 30mm) (Stem) No conflicts found
- ACID SLX 30 front (Front Wheel) No conflicts found
- ACID SLX 30 rear (Rear Wheel) No conflicts found
- Acros ZS44/ZS56 (Headset) No conflicts found
6 of 1831 counterparts with a page of their own that the checker actually probed this model against, in alphabetical order by brand and model — never by price, popularity or the verdict itself.