Brompton Gear indicator chain for 3 speed Sturmey, Alloy shell

Sturmey Archer gear indicator chain Mk II

As used on the current (as at 2018) Brompton BSR - Brompton Standard Ratio and BWR - Brompton Wide Ratio wheels

This chain pulls the internal hub gear to actuate a gear change (don't pedal as you change hub gears)

Suitable for Sturmey Archer / Brompton alloy shell hubs

This has a longer axle than the MK I - but you won't be able to compare unless you have both

We have added a picture with approx size to help you measure the axle length (we make it approx 65.5mm from the tip of the the screw - into the axle - to the end of the knuckle on the first link of the chain)

Compatible hubs include:

Brompton Sturmey Archer BWR - Brompton Wide Ratio
Brompton Sturmey Archer BSR - Brompton Sturmey Archer
Sturmey Archer AW / SAB3 / AB / AG with 6 1/4 inch (159 mm) axle length
Sturmey Archer SC3 with 6 inch (152 mm) axle length
Sturmey Archer S5 with 5 13/16 inch (148mm) axle length - used on left hand side
Sturmey Archer S5 with 6 1/16 inch (154mm) axle length - used on both left and right hand sides
Sturmey Archer S5 with 6 5/16 inch (160mm) axle length - used on right hand side

Brompton Q part code: QGICH3-SA[2]
Brompton old (pre-2013) Q part code: QGICH3-SA
Brompton part number: 9011094

Sturmey archer part code / sales no: HSA126 - Gear Indicator MK2
This can be identified by SA II carved into the the spindle (you will need to remove the indicator chain to check what yours says) - you will also need to remove the dirt covering the marking on your existing indicator chain