I went to Sinbi around 4 months ago. I thought I should do a review as it seems to be quite a popular gym.  Class Format - 3.5/5 Classes are 2 hours each and usually follows this format: 15 minute running or skipping -> stretching -> hand-wrapping -> shadowboxing -> bag work & pad work (5 rounds of each, usually 3 mins each round but may be 2 if it gets too busy) -> sparring or clinching or technique (I didn't like this format as technique is only ever taught as the