Ritchey Headset
9 models, 11 verified variants. Only rows checked against Ritchey’s own page are listed.
A value shown as a set or a range differs between this model’s variants and is never one variant’s spec. A cell marked not stated is a field the maker does not publish, so nothing here checks it.
| Model | Variants | Upper | Lower | Steerer | Price (MSRP) |
|---|---|---|---|---|---|
| Ritchey Classic External Cup EC Threadless Headset | 1 | Assembly EC34/28.6 (S.H.I.S.) | Assembly EC34/30 (S.H.I.S.) | Straight-1-1-8 | $65.95 |
| Ritchey Comp External Cup EC Headset | 1 | Assembly EC34/28.6 (S.H.I.S.) | Assembly EC34/30 (S.H.I.S.) | Straight-1-1-8 | $39.95 |
| Ritchey Comp Integrated IS Headset | 3 | Assembly IS42/28.6 (S.H.I.S.) | Assembly IS52/40 (S.H.I.S.) (on 2 of 3 variants); Assembly IS42/30 (S.H.I.S.) (on 1 of 3 variants) | Tapered 1.125-1.5 (on 2 of 3 variants); Straight-1-1-8 (on 1 of 3 variants) | $29.95 to $35.95 |
| Ritchey Comp Semi-Integrated ZS Headset ZS44/28.6 - ZS55/40 | 1 | Assembly ZS44/28.6 (S.H.I.S.) | Assembly ZS55/40 (S.H.I.S.) | Tapered 1.125-1.5 | $31.95 |
| Ritchey External Cup EC Threadless Headset | 1 | Assembly EC34/28.6 (S.H.I.S.) | Assembly EC34/30 (S.H.I.S.) | Straight-1-1-8 | $22.95 |
| Ritchey RL1 External Cup EC Threadless Headset | 1 | Assembly EC34/28.6 (S.H.I.S.) | Assembly EC34/30 (S.H.I.S.) | Straight-1-1-8 | $39.95 |
| Ritchey WCS External Cup EC Threadless Headset | 1 | Assembly EC34/28.6 (S.H.I.S.) | Assembly EC34/30 (S.H.I.S.) | Straight-1-1-8 | $89.95 |
| Ritchey WCS Logic-e External Cup EC Headset | 1 | Assembly EC44/28.6 (S.H.I.S.) | Assembly EC44/40 (S.H.I.S.) | Tapered 1.125-1.5 | $89.95 |
| Ritchey WCS Switch External Cup EC Headset | 1 | Assembly EC44/28.6 (S.H.I.S.) | Assembly EC44/40 (S.H.I.S.) | Tapered 1.125-1.5 | $83.95 |
Source for every row: Ritchey’s own product pages, last checked between 2026-07-27 and 2026-09-19.
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.