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BROMMIE+ 4 to 5 speed conversion kit - Version 3

This is the BROMMIE+ 4 to 5 speed conversion kit for use with the Brompton Advance 4SPD Shifter + Brake Lever - this is now the version 3

BROMMIE+ 4 to 5 speed conversion kit - version 3

BROMMI+ call this 4 to 5 Speed Conversion Parts for P/T Line Shifter (v2) for 3rd Party Derailleurs

The kit contains the following parts: 

Part  Material 
Modified shifter internal Aluminium 7075 with stainless steel insert 
Revised indicator lens Plastic 
Gear cable  31 strand stainless steel
Stronger hook spring Stainless steel 
Stronger lever spring  Stainless steel 
Logo button Aluminium 6061

This kit is intended to be used to modify a P / T line 4 speed shifter into a 5 speed shifter. This change means that the shifter can operate five 11 speed sprockets.

It is compatible with the Brompton and third party detailers 

Brompton shifter not included 

This version has been improved over Version 2 - the cable is slightly longer so may need to be tensioned slightly further to ensure it moves into the fifth gear