The 23-year-old made the move from Swansea to the Etihad Stadium in the summer after an impressive campaign with the Welsh side, in which he featured in every single Premier League match, netting eight times and bagging four assists.
The winger's form won him a place in Team GB's Olympics squad, where he played twice for Stuart Pearce's men, however since the £8 million switch he has turned out for City just five times in all competitions - twice as a substitute.
Despite the lack of game time the ex-Swans' attacker revealed that he is happy at his new club, where things are very different to the Liberty Stadium, and said he is willing to be patient while he learns.
“I’ve settled in very well at the club,” he told City's official website. “Hopefully I can get more game time and get on the pitch a bit more, but at the same time I have to be patient and wait my turn.
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“Obviously I came from Swansea and City is a different club, but I am adapting well and I just have to be patient. The important thing is that I’m learning every day.
“One of the biggest changes I have found is the winning mentality here. Being at City you want to win trophies and you want to win every game.
“At Swansea the important thing was staying in the league and battle on, so that has been the main difference for me.”
The wealth of attacking talent at the Etihad means that, since starting two league games in September, Sinclair has recorded just 15 minutes in a sky blue jersey this season - coming off the bench against West Ham and Aston Villa.
The former Chelsea man remains confident that he made the correct decision, however, arguing that being surrounded by world-class players can only improve his game, while acknowledging that he must take his chances.
“I knew it was going to be difficult, it was one of the hardest routes I could have taken, but in order to become a better player, you have to play with the best players,” he added.
"I’m doing that now and hopefully my time will come and I will get the chance to play and show everyone what I can do.
“The important thing is that I keep moving forward and improving and like I say, when my time comes around it’s important that I take my chances.
“It’s all about the timing and the impact when I come on. If I get five minutes or if I start the game, I’ve got to cause some trouble for the opposition and make an impression.”