MIniMODs

MiniMods 5 Speed Upgrade Kit for Brompton Bicycle

$530.00 USD
Color
$530.00 USD

Includes:

  • X5 Cog Set

  • Rear Derailleur Assembly

  • 7-Speed Thumb Shifter

Key Features:

  • Optimized for use with an 11-speed chain for best performance

  • CNC-machined aluminum alloy components: lightweight derailleur, tensioner arms, fixture, and thumb shifter

  • Compatible with A Line, C Line frames (P/T Line-specific version available in a separate listing)

  • Comes with the X5 Advanced Cog Set pre-installed on the stock wheelset, offering a 5-speed range of 11–25T 

  • Maximum cog size: 25T (compared to the original 15T max on A/C Line)

  • Titanium tensioner spring for improved durability and responsiveness

  • Precision CNC-machined advanced parallelogram derailleur: spring-activated main body, dual jockey wheels, and mounting fixture

  • Double-tap 7-speed thumb shifter with included cable