Three speed, five speed and six speed Brompton bikes use a hub gear rear wheel. Here we list all of the controls needed for the hub gears, from triggers / shifters, to gear cables and indicator chains.
Brompton Gear indicator chain for 3 speed Sturmey, Alloy shell and BWR 6 speed hubs - SA II
Brompton gear indicator chain for older (pre-2004) 3 speed Sturmey Archer hub-gears (hubs with a steel shell - rather than the current alloy shell)
Sturmey Archer MKII Gear indicator chain for 3 speed Sturmey as used on Brompton Bicycles, Alloy shell
Brompton hub gear indicator chain for red 5 speed Sturmey Archer (pre 2000) - QGICH5R (Non-ball locking hub)
Brompton hub gear indicator chain for blue 5 speed Sturmey Archer (post 1999) - QGICH5B
Sturmey Archer gear indicator chain for newer 5 speed hubs
Sturmey Archer gear indicator chain for 5 speed
Brompton Gear indicator chain for 12 speed introduced in 2024
Sturmey Archer gear indicator chain MK IIII / IV
Brompton hub gear cable, 3 speed - Sturmey Archer and SRAM, S-type brompton for Brompton 3 speed trigger. For pre-2017 model Brompton triggers
Brompton 3 speed gear cable for M-type handlebars - suitable for both SRAM and Sturmey Archer hub gears on a long wheel base Brompton. Note: For Pre-2017 gear levers