Tightening torques for screws

The values indicated are meant for a friction value µ=0,125 (greased threads and screw heads).They only refer to the indicated parts. Please do always follow the values given in the manuals of the parts manufacturers since the following values may not be the latest due to changes in the product line!

part

connection

screw

tightening torque

brake lever

handlebar/grip clamping

M6

SW5

4

Nm

brake lever

compensating tank

Torx T7

0,6

Nm

brake caliper

caliper/frame

M6

SW5

6

Nm

brake disc

disk/hub

M4 Torx T25

4

Nm

brake house

brake lever

SW8

4

Nm

dynamo

dynamo/mount

M6

SW5

6–8 Nm

 

mount/frame

M6

SW5

6–8 Nm

suspension element

element/frame

M6

 

6–8 Nm

rear swing arm

axle

 

 

 

 

 

- without rear rack

M8x25

14–16 Nm

 

- with rear rack

M8x45

17–19 Nm

b.b. set

cartridge/frame

 

 

50–60 Nm

chain roller

roller/frame

M8

SW 6

14–16 Nm

crank

crank/axle

 

 

35

Nm

 

chain ring screws

 

 

8–11 Nm

hub

safety ring of the

 

 

38–42 Nm

 

rear cassette

 

 

 

 

 

quick release

 

 

9–12 Nm

 

disc brake adapter

 

 

 

 

 

- centering screws

 

 

1,5–2 Nm

 

- safety ring

 

 

35–40 Nm

pedal

pedal/crank

SW15

35–40 Nm

twist grip

grip/handlebar

SW3

1,9

Nm

derailleur

derailleur/frame

SW6

8–10 Nm

 

cable clamping

 

 

4–6 Nm

mudguard

stay/frame

M5

SW4

4–6 Nm

seat

seat/seat mounts

M6

SW4

8–10 Nm

 

quick release

 

 

9–12 Nm

frame

front boom clamping

M8

SW6

22–24 Nm

front derailleur

front derailleur/frame

M5

SW4

5–6 Nm

 

cable clamping

 

 

4–6 Nm

stem

fork/stem

M8

SW6

18–20 Nm

 

stem adjustment

M8

SW6

18–20 Nm

 

handlebar/stem

M6

SW5

10–12 Nm

 

 

 

 

 

 

Maintenance and care

HPVelotechnik 55