Trango BigBro Expandable Tube Chock

$169.95 to $199.95
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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.

  • Features

    • 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

  • Reviews
    3 reviews with an average rating of 4.3 out of 5 stars

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