Chasing a modest target of 132, RCB's famed batting line-up comprising the likes of Virat Kohli, AB de Villiers, Chris Gayle and Kedar Jadhav collapsed in no time.
On the eve of their next match against Rising Pune Supergiant, Gambhir said it will be a difficult task to continue in the same vein.
"It's difficult to set the trend, but it's more difficult to maintain it," Gambhir told reporters on the eve of their away game.
"We have set the benchmark, now we need to maintain it. You know one game it's easy to do but now people will be expecting us to deliver again. I hope the guys realise that and what I expect from the team and myself as well. It has to start from me," he added.
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Nathan Coulter-Nile, Chris Woakes and Colin de Grandhomme took three wickets each to bundle out the Bangalore outfit.
"If everyone is contributing, it's great for the team. In a T20 format, a team that has everyone chipping in is far better than ones who are dependent on one or two individuals," Gambhir said.
"If Pune is doing that, it's great. There is more surety of the team performing than one or two individuals doing it every time," he added.