40T AL 7075 Narrow Wide Chainring W/ Integrated Chain Guard
Stem Bolt
4 to 4 Speed Conversion Parts for P/T Shifter
4 to 5 Speed Conversion Parts for P/T Line Shifter (v2) for 3rd Party Derailleurs
Special Tool for Servicing Brompton Main Frame & Stem Hinges V4
4 to 5 Speed Conversion Parts for P/T Line Shifter (v1) for Brompton Rear Derailleurs
Hubsmith 5 Speed Compatible Rear Hub
Stainless Steel Spring for Brompton Calipers
5 speed kit for C line 2 Speed Bike - for Brompton OE Hub