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Chris King DropSet Headset

What the checker says2606will 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. 5887 produced no finding of any kind; that is DropSet 3. DropSet 4 clears 5498. Each variant produces 357 to 762 distinct errors and 0 distinct warnings.

Will not fit

  • Will not fiterror · ForkHeadset steerer mismatch: Chris King DropSet 4 accepts a Straight 1.125 (single-crown) steerer but RockShox 35 Gold RL is Tapered (1.5-1.125). On 3 of the 490 verified forks in this catalog. Applies to 1 of 5 variants.
  • Will not fiterror · ForkHeadset steerer mismatch: Chris King DropSet 6 accepts a Straight 1.125 (single-crown) steerer but RockShox 35 Gold RL is Tapered (1.5-1.125). On 3 of the 490 verified forks in this catalog. Applies to 1 of 5 variants.

Headset steerer, Fork. 1031 more findings from the same check, on up to 2 of the 490 verified forks each.

Headset upper, Frame. 808 more findings from the same check, on up to 2 of the 258 verified frames each.

Headset lower, Frame. 765 more findings from the same check, on up to 2 of the 258 verified frames each.

Open a variant in the builder to see the ones that apply to your own parts.

The checker compares the dimensions listed in what we check, and what we don’t. “No conflicts found” means no conflict among those dimensions — not a guarantee that a build works. Errors mean it won’t fit; warnings mean it works but check; infos are notes.

$180.00 MSRP

What the maker states

Upper
Assembly IS42/28.6 (S.H.I.S.) (on 3 of 5 variants); Assembly IS41/28.6 (S.H.I.S.) (on 2 of 5 variants)
Lower
Assembly IS52/40 (S.H.I.S.) (on 3 of 5 variants); Assembly IS41/28.6 (S.H.I.S.) (on 1 of 5 variants); Assembly IS42/28.6 (S.H.I.S.) (on 1 of 5 variants)
Steerer
Tapered (1.5-1.125) (on 3 of 5 variants); Straight 1.125 (single-crown) (on 2 of 5 variants)

A value shown as a set or a range differs between this model’s variants and is never one variant’s spec.

5 verified variants

VariantUpperLowerSteererPrice (MSRP)WeightSourceLast checkedBuild
DropSet 2assembly IS42/28.6 (S.H.I.S.)assembly IS52/40 (S.H.I.S.)Tapered (1.5-1.125)$180.00not statedmaker’s page2026-07-16Build with this
DropSet 3assembly IS41/28.6 (S.H.I.S.)assembly IS52/40 (S.H.I.S.)Tapered (1.5-1.125)$180.00not statedmaker’s page2026-07-16Build with this
DropSet 4assembly IS42/28.6 (S.H.I.S.)assembly IS42/28.6 (S.H.I.S.)Straight 1.125 (single-crown)$180.00not statedmaker’s page2026-09-08Build with this
DropSet 5assembly IS42/28.6 (S.H.I.S.)assembly IS52/40 (S.H.I.S.)Tapered (1.5-1.125)$180.00not statedmaker’s page2026-09-08Build with this
DropSet 6assembly IS41/28.6 (S.H.I.S.)assembly IS41/28.6 (S.H.I.S.)Straight 1.125 (single-crown)$180.00not statedmaker’s page2026-09-08Build with this
Source

Source: each variant links the maker’s own page in the table above. Last checked 2026-07-16 to 2026-09-08.

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.

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.

Where this sits

Chris King DropSet is the first model on that list.Next: Chris King InSetAll Chris King headsetsOpen a variant in the builder to see the ones that apply to your own parts