Torque guide
Shimano and SRAM component torque, plus manufacturer frame charts for seatposts, axles, and hangers.
Shimano and SRAM component torque, plus manufacturer frame charts for seatposts, axles, and hangers.
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A figure printed on the part itself always wins. When nothing is printed, start at the low end of the range, then check again for slip or creak.
| Part | Torque(Nm) |
|---|---|
| Cockpit & seat | |
| Stem face-plateAny brandM5 / M6 clamp boltsAlloy bars often ~5 Nm. Carbon bars: use the lower of bar/stem printed specs. Cross-pattern in stages.Tool: 4 mm / 5 mm hex | 4–635.4–53.1 in·lb |
| Stem steerer clampAny brandM5 / M6 pinch boltsDefer to carbon steerer / stem stickers when present.Tool: 4 mm / 5 mm hex | 4–635.4–53.1 in·lb |
| Seatpost binder / collarAny brandM5 / M6Carbon frames/posts often 4–5 Nm with friction paste.Tool: 4 mm / 5 mm hex | 4–635.4–53.1 in·lb |
| Saddle rail clampAny brandSingle or twin boltTwin-bolt heads typically 8–12 Nm; single-bolt 5–7 Nm. Use printed value.Tool: 5 mm / 6 mm hex · Torx T25/T30 | 5–1244.3–106.2 in·lb |
| Bottle cageAny brandM5Tool: 4 mm hex | 2.5–422.1–35.4 in·lb |
| Brakes & rotors | |
| Disc rotor (6-bolt)ShimanoT25 TorxCross-pattern. Do not use SRAM’s higher rotor torque on Shimano rotors.Tool: T25 | 2–417.7–35.4 in·lb |
| Disc rotor (6-bolt)SRAMT25 TorxSRAM/Avid typically 6.2 Nm — more than double Shimano’s range.Tool: T25 | 6.254.9 in·lb |
| Center Lock rotor lockringAny brandExternal / internal lockringShimano Center Lock lockrings are commonly 40 Nm.Tool: TL-LR15 / cassette lockring tool | 40354 in·lb |
| Brake caliper (flat mount)ShimanoMount boltsTool: 5 mm hex · T25 | 6–853.1–70.8 in·lb |
| Brake caliper (post mount)ShimanoMount boltsTool: 5 mm hex | 6–853.1–70.8 in·lb |
| Brake caliper mountSRAMPost / flat mountConfirm per caliper model (SRAM ranges often 5–9 Nm).Tool: 5 mm hex · T25 | 5–944.3–79.7 in·lb |
| Brake / STI lever clampShimanoBand clamp boltRoad STI band bolts commonly 6–8 Nm.Tool: 5 mm hex · T25 | 6–853.1–70.8 in·lb |
| Brake / shifter lever clampSRAMClamp boltSRAM AXS hood clamps typically 5–7 Nm.Tool: T25 · 4 mm hex | 5–744.3–62 in·lb |
| Hydraulic hose banjo / oliveShimanoBanjo bolt / connecting boltReplace olive/insert when reseating. Follow bleed doc for the group.Tool: 8 mm hex · flare nut | 5–744.3–62 in·lb |
| Drivetrain & BB | |
| Hollowtech II crank pinch boltsShimanoNon-drive arm pinch (×2)Alternate passes. Preload cap is hand-tight only (0.5–0.7 Nm) — never torque-wrench it.Tool: 5 mm hex | 12–14106.2–123.9 in·lb |
| Hollowtech II bearing preload capShimanoPlastic capHand tool (TL-FC16) only. Over-torquing ruins bearings.Tool: TL-FC16 | 0.5–0.74.4–6.2 in·lb |
| Hollowtech II external BB cupsShimanoThreaded cupsTool: TL-FC25 / BB wrench | 35–50309.8–442.5 in·lb |
| SRAM DUB / GXP crank-arm boltSRAMSelf-extracting 8 mm hexNo pinch bolts on modern DUB road/MTB arms — one crank bolt draws the arm on.Tool: 8 mm hex | 48–54424.8–477.9 in·lb |
| SRAM DUB threaded BB cupsSRAMThreaded cupsTool: BB wrench / DUB cup tool | 34–41300.9–362.9 in·lb |
| Chainring boltsShimanoM8 / direct-mountSteel bolts often 12–14 Nm; check crank-specific docs for DM rings.Tool: 5 mm hex · Torx | 12–16106.2–141.6 in·lb |
| Chainring / direct-mount spiderSRAMDM lockring or boltsDirect-mount lockrings commonly ~40 Nm; multi-bolt rings lower — check model.Tool: Lockring tool · T25 | 40–50354–442.5 in·lb |
| Rear derailleur mounting boltShimanoDerailleur hanger boltTool: 5 mm hex | 8–1070.8–88.5 in·lb |
| Rear derailleur mounting boltSRAMDerailleur hanger bolt / UDHSRAM UDH hanger nuts are often 25 Nm — that is the hanger, not the RD B-bolt.Tool: 5 mm hex | 8–1070.8–88.5 in·lb |
| Front derailleur clamp / braze-onShimanoClamp or support boltTool: 5 mm hex | 5–744.3–62 in·lb |
| Front derailleur clamp / braze-onSRAMClamp or support boltTool: T25 · 5 mm hex | 5–744.3–62 in·lb |
| Wheels & cassette | |
| Cassette lockring (HG / Microspline)ShimanoLockringTool: TL-LR15 / cassette tool + chain whip | 40354 in·lb |
| Cassette lockring (HG)SRAMLockringTool: Cassette tool + chain whip | 40354 in·lb |
| Cassette (XD / XDR)SRAMLockring / cassette bodyTypically ~40 Nm; confirm for the specific XD/XDR cassette.Tool: XD/XDR lockring tool | 40354 in·lb |
| Thru-axleAny brandAxleFrame/fork maker wins. Many road axles 10–12 Nm; some MTB levers are hand-tight.Tool: 6 mm hex · lever | 8–1570.8–132.8 in·lb |
| Pedals & cleats | |
| Pedal axle into crankShimano9/16″ × 20 tpiLeft pedal is left-hand thread. Grease threads.Tool: 15 mm pedal wrench · 6/8 mm hex | 35–55309.8–486.8 in·lb |
| Pedal axle into crankSRAM9/16″ × 20 tpiLeft pedal is left-hand thread. Grease threads.Tool: 15 mm pedal wrench · 6/8 mm hex | 35–40309.8–354 in·lb |
| SPD / SPD-SL cleatsShimanoM5 cleat boltsTool: 4 mm hex | 5–644.3–53.1 in·lb |
| SRAM / Time-style cleats (common)SRAMCleat boltsFollow the shoe + cleat maker when they disagree.Tool: 4 mm hex · Torx | 4–635.4–53.1 in·lb |