57
teChniCal data
Recommended tightening torque values of the bicycle components
Stem
Handlebar clamp screw
M5
Allen wrench 4mm
5.5 Nm max.
Stem
Clamp screw adjusting angle
M6
Allen wrench 5mm
9.5 Nm max.
Stem
Clamp screw steer tube
M6
Allen wrench 5mm
9.5 Nm max.
Seat post
Clamp screw saddle
M6
Allen wrench 5mm
9.5 Nm max.
Seat post Clam
-
ping screw
Clamp screw for seat post
M5
Allen wrench 4mm
5.5 Nm max.
Front wheel
Axle nut; Hexagon
9mm axle diameter
15mm open-end
wrench
20 Nm max.
Rear wheel
Axle nut; Hexagon
12mm axle diameter
19mm open-end
wrench
30-40 Nm
Rear wheel
Clamp screw locking washer
M5
Allen wrench 3mm
5.5 Nm
Stand
Clamp screw
M10
Allen wrench 8mm
46 Nm max.
Brake lever
Clamp screw
M6
Allen wrench 5mm
9.5 Nm max.
Brake body
Mounting screw
M6
Allen wrench 5mm
9.5 Nm max.
Brake
Mounting screw
M5
Torx25
5.5 Nm max.
Shift lever
Clamp screw
M6
Allen wrench 5mm
9.5 Nm max.
Carrier
Clamp screw
M5
Allen wrench 4mm
5.5 Nm max.
Carrier
Clamp nuts; Hexagon; self-
locking
M5
8mm open-end
wrench
5.5 Nm max.
Pedals
15mm small open-
end wrench
35 Nm max.
Button bracket
Bearing cups
BSA Threat
Special bearing tool
50-70 Nm
Crankset
Mounting screw
M10
Allen wrench 8mm
45 Nm max.
Derailleur
Mounting screw
M10
Allen wrench 5mm
8-10 Nm
Derailleur
Clamp screw cable
M5
Allen wrench 5mm
6-7 Nm
Derailleur
Clamp screw jockey wheels
M4
Allen wrench 3mm
2.5-5 Nm
Front lamp
Clamp screw
M6
Allen wrench 5mm
9.5 Nm
General maximal screw tightening torque (for lubricated DIN screws)::
Screw
M4
M5
M6
M8
M10
Tightening torque in Nm
2.9
5.5
9.5
23
46
The torque indications always refer to the upper limit of the screws resilience.
You should always adjust the torque key to a little more than 50% of the value stated by the manu
-
facturer and tighten the screw. Check the firm fit of the connection afterwards.
If the clamping connection is not strong enough, increase the value gradually in steps of 0,5 Nm.
If necessary, adjust the maximal value (never exceed it) and loosen the screw by half a revolution
before finally tightening it.
Summary of Contents for Q-Powe
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