Sturmey Archer 5 speed (Red) gear indicator chain
If you have a 5 speed Sturmey Archer hub gear on your Brompton and need to replace the indicator / gear change chain - then it's best to clean it and check the end (see picture).
It will be marked red (this one) or blue - or something else!
It's worth checking in good light so you don't get confused with red / orange / purple!
You can also check on the hub itself - where Sturmey Archer will have stamped the manufacture date - just to double check.
Hub compatibility:
Sturmey Archer Sprinter S5
Sturmey Archer Sprinter Elite
Sturmey Archer Sprinter SC5
Sturmey Archer SAB-5
Sturmey Archer AB-5
Brompton Q part code: QGICH5R
Brompton part number: 9011131
Sturmey Archer part reference / sales code: HSA490
Note: We previously sold this as a Brompton part - they discontinued it as a spare part in 2017, but it is still available direct from Sturmey Archer