Direct Mount Chain Ring

These direct mount chainrings fit the HEIR cranksets.  Lightweight stamped alloy construction.

Teeth
Offset
Material

Determining Chain Ring Offset:

  • If your bike has 148mm rear spacing (Boost), choose 3mm chain ring offset
  • If your bike has 135mm or 142mm rear spacing, choose 6mm chain ring offset (most kids bikes fall under this category).
Liquid error (layout/theme line 722): Could not find asset snippets/primebcustomerloc-js.liquid