X3 Unibody Cog Set (MiniMODs) 3 sprockets (11-14-17T) in a single unit.

Precision CNC machined SCM440H heat treated steel.

Plug and play. Simple to install and finetune. Stock components compatible.

11 Speed and up (narrower) chain recommended.

Circlip type for maximum compatibility (1.5mm custom snap ring included).

For 9 spline Shimano spec, compatible with Stock Brompton 2 speed hub (BWR 3x2 6 speed hub) and most third party external cog wheel mods (e.g. MiniMODs, Orz, Hubsmith, Joseph Kuosac, etc. )

*Not compatible with Sturmey Archer SRF-5 (W) 5 speed hub or Brompton BSR 3 speed, but compatible with SRF-5(N) 10 (5x2) speed hub, so 5x3 is possible

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