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Brompton Superlight Advance Chain - 106 Links

For 4-speed and 12-speed Brompton folding bikes with 56T front chainring

P Line T Line

Brompton Superlight Advance Chain - 106 Links

Brompton SL Advance 4SPD Chain - 106 Links for the following bikes equipped with 4-speed or 12-speed drivechain with a 56 tooth front chainring and for a G Line Electric with a 50 tooth chainring:

  • C Line
  • C Line Electric
  • P Line
  • P Line Electric
  • T Line
  • G Line Electric (4-speed)

This chain is for the following:

  • 4-speed or 12-speed Brompton folding bike with 56-tooth chainring
  • G Line Electric e-Motiq (4-speed) with 50-tooth chainring

This chain is not compatible with:

  • Brompton 1-speed
  • Brompton 2-speed (incl. Brompton Electric MK1)
  • Brompton 3-speed (e.g. A Line)
  • Brompton 6-speed bikes (incl. Brompton Electric MK1)

The pack consists of:

  • 106 link chain
  • Connecting link 

Data sheet


Tools required for removal:

  • Master link pliers

Tools required for installation:

  • Master link pliers

Marked as 10-speed (yes - it is actually a 10 speed chain - the spacing on the Brompton 4 speed is the same as a 10 speed derailleur system)

Introduce by Brompton in 2022
Made for Brompton by YBN

Chainring Gearing  Variant
56 4-Speed / 12-speed 106 link 
54 4-speed / 12-speed 104 link 
54, 56 1-speed 102 link
50 4-speed / 12-speed 102 link