These puppies are big! For fist crack and offwidth aficionados, Big Bros rule. The expanding tube chock design is stable, lightweight, easy to use and strong. Because of their stable nature when they're placed correctly they're almost impossible to dislodge when you're grunting by them, and they make a nice smooth rope guide at the lip of a roof. Their expansion range is phenomenal—a #5 Big Bro has greater range than an entire set of traditional cams
Big Bro's are to be slung with 5mm tech/dyneema cord or 5.5mm spectra cord. Blue Water Titan cord comes in a nice 6m length.
Description of Trango Big BroThese puppies are big For fist crack and offwidth aficionados, Big Bros rule. The expanding tube chock design is stable, lightweight, easy to use and strong. Because of their stable nature when theyre placed correctly theyre almost impossible to dislodge when youre grunting by them, and they make a nice smooth rope guide at the lip of a roof. Their expansion range is phenomenala 5 Big Bro has greater range than an entire set of traditional cams FeaturesIdeal protection for big cracks and offwidthsTo be slung with 5mm or 5.5mm cordSize 0.5 69mm-86mm, 2.7-3.4, 133g, 4.7oz, 15kN, SilverSize 1 81mm-109mm, 3.2-4.3, 175.8g, 6.2oz, 15kN, RedSize 2 101mm-145mm, 4.0-5.7, 204.1g, 7.2oz, 15kN, PurpleSize 3 135mm-203mm, 5.3-8.0, 263.7g, 9.3oz, 15kN, GreenSize 4 191mm-305mm, 7.5-12.0, 348.7g, 12.3oz, 15kN, BlueSize 5 287mm-467mm, 11.3-18.4, 578.3g, 20.4oz, 15kN, Gold
As the title says in the smaller sizes I prefer the larger camming units as they are easier to place, can be walked and are more quickly removed. However from the green size and up (larger than #6 BD camalot) are the only protection usually available for squeeze chimneys and other wideness. Furthermore, these can only be used in perfectly parallel cracks. They also take some finesse to place but once placed they are completely bomber and wont walk.
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