Just a collection of torque values for the Brompton. Some are really important and it is always a good idea to use a torque wrench.
| Part | Torque |
|---|---|
| seat clamp | 5-8NM |
| crank axle bolts | 32NM |
| pedals | 30NM |
| saddle clip bolt | 13NM |
| rear hinge screws (should never be moved) | 10NM |
| handlebar catch securing screw | 9NM |
| rear wheel nuts | 22NM |
| front wheel nuts | 15NM |
| expander bolt (handlebar) | 20NM |
| saddle clip | 13NM |
| chain tensioner nut 3-speed | 5NM |
| chain tensioner nut 5-speed | 10NM |
| Part | Size |
|---|---|
| handlebar diameter (M-Type) | 22.2mm |
| wheel size (bike computer) | 1316mm |
| rim tape | 10mm |
| Chain width 1-, 3-speed Brompton | 1/2 x 1/8” (8,6–9,4 mm) |
| Chain width 2-, 6-speed Brompton | 1/2 x 3/32” (7,1–7,3 mm) |
You might also like
One response to “Brompton torque values”
Panorama: Devon and Cornwall
Hi Anyone recommend a good torque wrench to cover Brompton parts please.