Brompton Hub Gear Cable & Outer Integrated Shift Gear cable for Brompton bikes from year 2017 with 3 speed hub gears. The length of gear cable you require for your Brompton is dependent on the height of the handlebars, so please select the cable made for your bars - H, M, P or S-type. Available in four lengths For H, M, P or S-type bars For integrated gear shifters (introduced on year 2017 Brompton folding bikes) Integrated means that the gear shifter attaches directly to the brake lever - not clamped to the handlebars