Although labelled as a bridge obstacle, the obstacle required no balance. Instead, the competitor had to hang onto two outward-facing ledges and cross a small gap. Competitors usually crossed the gap by alternating arms and leaping to the landing mat below.
This functioned more as a time waster. Only Izumiyama Yūta failed it; he was low on time and tried rushing through the obstacle. It only lasted one tournament, and the Balance Tank was brought back in its place for SASUKE 17.
The function of the obstacle became similar to the Unstable Bridge.
The name of this obstacle can be derived from Greek uppercase letter "Δ" (delta), with the obstacle being similar to a triangle upon frontal view.
American Ninja Warrior Version
The Deltra bridge (called as the Grip Hang) appeared as the fifth obstacle on American Ninja Warrior 5 in Denver.
However unlike the SASUKE version, there were three sets of two outward-facing ledges instead of one set, with a gap between each ledges.
After the reach the end of one set, the competitor must swing and gain momentum to grab the next set of ledges.
This version eliminated several competitors, but almost half of the number of competitors could complete the obstacle. Later, 48 competitors could complete the Denver qualifiers course and advanced to Denver finals.
During Denver finals, the gap between each ledge was increased by a few inches. As the result, some competitors failed there.
Competitors' Success Rate
- All results based on the TBS broadcast and external information found