Stery aluminiowe 1 1/8' Brompton G-line - czarne

Stery aluminiowe 1 1/8' Brompton w kolorze czarnym 

Replacement G Line and G line electric Brompton headset
This is a replacement Brompton headset as used on the Brompton G line and G line electric Brompotn bicycles as introduced in 2023
Size: 1 1/8 inch
Tools required:
4mm allen key / hex wrench
Torque wrench
Suitable grease
Fitting the headset:

Lightly grease all bearings and mating surfaces, including the head and thread of the bolts
Apply a small amount of grease inside the fork steerer (FS)
Avoid getting the grease clamping surfaces
Fit the headset angular contact bearing (HB L) to the fork (as shown in the data sheet included in the headset)
Fit the upper angler headset bearing  (HB U) to the top of the head tube
Fit the headset compression ring (HCR) followed by the headset steerer seal (HS-RS) and headset ring (HSRS)
Fit the steerer hinge clamp (SHC) over the fork steerer (FS) and tighten the preload bold to 4Nm using a 4mm Allen (Hex) key
Unfold the handlebar support and align the handlebar with the front wheel
Partially tighten the righthand steerer hinge clamp bolts bolts (SHCB-3 and 4) on the right of the fork, followed by the two bolts on the left
Take the bike out of the stand and check the alignment of the handlebars
Tighten the bolts to 8Nm following the same sequence
It is very important to tighten the bolts to the correct torque
Removal:

To separate the steerer hinge clamp (SHC) and the fork steerer (FS), fold the handlebar stem to reveal the pinch Bolt (PB) int he center of the steerer hinge clamp (SHC)
Undo the bolt and remove it
Undo the 4 steerer hinge clamp bolts (SHCB) by 3 - 4 turns
Do not remove completely to prevent the steerer clamp plate from falling out
Gently twist the steerer hinge clamp and pull upward to seperate form the fork steerer
Colour: Black
Do not try to adjust the steerer stop band, this requires specialised tools
Brompton Q part code: Q103697
Note this headset is not compatible with the A, C, P or T line Brompton bicycles