Trango BigBro Expandable Tube Chock

$177.95to $212.95

Trango BigBro™ Expandable Tube Chocks are must-have pieces for wide cracks. Their huge range and sleek design save on weight and racking space compared to large cams.


  • In addition, they resist pull in any direction, giving you added security as you confidently climb past them
  • BigBro chocks are spring loaded for easy 1-handed placement; locking collar keeps spring at desired width
  • Tube contracts to fit into straight-sided cracks or pockets and expands to fit snugly in large cracks where cams would be too small
  • 5.5mm tech cord (not included) recommended for tethering
  • Available in 4 sizes

Made in USA.

View all Trango Tube Chocks

Technical Specs

Best Use



12 kilonewtons


GREEN: 135 - 203 millimeters

BLUE: 191 - 305 millimeters


GREEN: 235 grams

BLUE: 338 grams

4 reviews with an average rating of 4.5 out of 5 stars

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