Torque specifications
Cockpit torque specs
Torque specifications for cockpit bolts on a bicycle — exact Nm values, tool sizes, and notes for safety-critical fasteners.
| Bolt | Torque | Tool | Notes |
|---|---|---|---|
| Stem to steerer (faceplate clamp) | 5–6 Nm ⚠ critical | — | Tighten in criss-cross pattern, in stages |
| Stem to handlebar | 5–6 Nm ⚠ critical | — | Same |
| Top cap (preload) | 1–2 Nm | — | Sets headset preload, then stem bolts secure it |
| Brake/shift lever clamp on bar | 5–6 Nm | — | Don't overspec — clamps crack carbon bars |
| Bar end plug (if bolt-in) | 4–5 Nm | — | — |
Cockpit torque reference #
Typical torque values for the bolts in this category. Always defer to your component’s manufacturer spec when one is printed; these are baseline values for when no spec is available.