Chris King InSet Headset
What the checker says871will not fit
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 6104 verified mountain bike parts in this catalog. 5957 produced no finding of any kind; that is InSet 2. InSet 5 clears 5866. Each variant produces 178 to 404 distinct errors and 0 distinct warnings.
Will not fit
- Will not fiterror · FrameHeadset lower cup mismatch: Chris King InSet 5 lower is EC49/40 but Antidote Carbonjack's lower head tube is ZS56 (S.H.I.S.) - cups press in at their exact bore only. On 2 of the 258 verified frames in this catalog. Applies to 1 of 3 variants.
- Will not fiterror · FrameHeadset lower cup mismatch: Chris King InSet 7 lower is EC44/40 but Antidote Carbonjack's lower head tube is ZS56 (S.H.I.S.) - cups press in at their exact bore only. On 2 of the 258 verified frames in this catalog. Applies to 1 of 3 variants.
- Will not fiterror · FrameHeadset upper cup mismatch: Chris King InSet 5 upper is ZS49/28.6 but Antidote Carbonjack's upper head tube is ZS44 (S.H.I.S.) - cups press in at their exact bore only. On 2 of the 258 verified frames in this catalog. Applies to 1 of 3 variants.
Headset lower, Frame. 375 more findings from the same check, on up to 1 of the 258 verified frames each.
Headset upper, Frame. 310 more findings from the same check, on up to 1 of the 258 verified frames each.
Headset steerer, Fork. 183 more findings from the same check, on up to 1 of the 490 verified forks each.
Open a variant in the builder to see the ones that apply to your own parts.
$210.00 MSRP
What the maker states
- Upper
- Assembly ZS44/28.6 (S.H.I.S.) (on 2 of 3 variants); Assembly ZS49/28.6 (S.H.I.S.) (on 1 of 3 variants)
- Lower
- Assembly EC44/40 (S.H.I.S.) (on 1 of 3 variants); Assembly EC49/40 (S.H.I.S.) (on 1 of 3 variants); Assembly ZS56/40 (S.H.I.S.) (on 1 of 3 variants)
- Steerer
- Tapered (1.5-1.125)
A value shown as a set or a range differs between this model’s variants and is never one variant’s spec.
3 verified variants
| Variant | Upper | Lower | Price (MSRP) | Weight | Source | Last checked | Build |
|---|---|---|---|---|---|---|---|
| InSet 2 | assembly ZS44/28.6 (S.H.I.S.) | assembly ZS56/40 (S.H.I.S.) | $210.00 | not stated | maker’s page | 2026-07-16 | Build with this |
| InSet 7 | assembly ZS44/28.6 (S.H.I.S.) | assembly EC44/40 (S.H.I.S.) | $210.00 | not stated | maker’s page | 2026-07-10 | Build with this |
| InSet 5 | assembly ZS49/28.6 (S.H.I.S.) | assembly EC49/40 (S.H.I.S.) | $210.00 | not stated | maker’s page | 2026-07-16 | Build with this |
Source
Source: each variant links the maker’s own page in the table above. Last checked 2026-07-10 to 2026-07-16.
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
- Airdrop Edit MX (Frame) Will not fit
6 of 1881 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.