Torque specifications
Brakes torque specs
Torque specifications for brakes bolts on a bicycle — exact Nm values, tool sizes, and notes for safety-critical fasteners.
| Bolt | Torque | Tool | Notes |
|---|---|---|---|
| Disc rotor bolts (6-bolt) | 6.2 Nm ⚠ critical | — | T25 Torx; **always use blue threadlock** |
| Disc rotor centerlock lockring | 40 Nm ⚠ critical | — | Same tool as cassette lockring |
| Caliper mount to frame/fork | 6–9 Nm ⚠ critical | — | Confirm per brake brand |
| Caliper pad pin | 2–3 Nm ⚠ critical | — | Small bolt — easy to overdo |
| Hydraulic hose pinch (banjo / olive bolt) | 5–7 Nm ⚠ critical | — | Per brake brand |
| Bleed port screw | 0.5–1 Nm | — | Tiny — finger-tight plus 1/8 turn |
| Brake cable pinch (mechanical) | 5–7 Nm | — | — |
| Lever clamp on bar (hydraulic & mech) | 4–6 Nm | — | Don't overspec |
Brakes 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.