Size Chart


  Small Seat
<19.5 inches
Medium Seat
19.5-23 inches
Large Seat
23+ inches
Small  works best works no
Medium  no works best works
Large  no no  works best

*Medium Caddystrap™ is our standard size fits most seats. Small and large coming later 2020. Please contact us for sizing issues. 


  1. Place helmet in the desired/optimal place on the seat. take note of the chin strap and their locations
  2. Remove the helmet and measure the circumference of the noted location
  3. Refer to size chart

Disclaimer: Caddystrap™ not to be used as an extension for chinstrap, do not overstretch, overstretching will compromise the integrity of Caddystrap, keep away from exhaust, do not store heavy items inside helmet when in motion, ensure Caddystrap is correctly placed (in front of rear anchor/ connection point of seat), do not use if any noticeable wear and tear or defect is visible.