Prevelo Bikes

Direct Mount Chain Ring

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

Teeth
Offset
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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).