The triple Grand Slamming prop has rejoined the Blues after a 12-month stint in France with Toulon.
It was a bittersweet experience for Jenkins, who was often left to play second fiddle to Andrew Sheridan at Stade Felix Mayol.
But he is relishing the opportunity for regular rugby at the Arms Park and reckons it will prolong his international career as he stands on 98-caps.
“I didn’t really know what to expect going out there,” said Jenkins.
“I enjoyed where I was and the team spirit of the boys. There were a lot of good players there who I got on with.
“It was just the rugby. I would have liked to play a lot more.
“I found it hard coming back international wise. I didn’t have the fitness that perhaps I would have if I was here being managed as well as I am.
“I really enjoyed the experience and the culture, but I suppose rugby took priority in the end.
“I’m just looking forward to getting back out on that field again now.”
Jenkins, who was sent home from the British & Irish Lions victorious tour of Australia due to a heartbreaking calf injury, is set to be fit for the start of the season.
And injury permitting he will be available for Wales’ autumn internationals which kick-off against South Africa on November 9.
“That was one of the reasons for coming back,” added Jenkins.
“I wanted to get 100 caps and keep playing for my country. You never bank on your next cap, so I’ve got to work hard to get towards that goal. Hopefully I’ll get those extra two.”
Jenkins would become Wales’ fourth centurion, following in the footsteps of Gareth Thomas (104), Stephen Jones (100) and Martyn Williams (100).
