(at around 22 mins) When Ashe is getting dressed in the leathers, we see his hand running up the side of his leg. Here he is already wearing the long leather jacket. A few minutes later, he dramatically puts on the jacket (for the first time).
(at around 34 mins) When it shows the strip booth, the counter starts at 65, counts down to 62, then jumps back to 69.
(at around 58 mins) When Curve is running from the club after seeing Ashe there, he runs down the stairs and knocks over a shopping cart. A split second later, as he's running away, you can see the shopping cart again standing upright.
(at around 31 mins) When Sarah is talking to Noah in the tattoo parlor she is wearing one outfit but when Curve bangs on the door, she is wearing a different one.
(at around 1h 4 mins) The piece of metal from the motorcycle that pierces Curves stomach disappears in the water when the flower crow is made.
(at around 9 mins) When Sarah is tattooing the man's head, she makes a few mistakes. 1) She is not wearing gloves. 2) During her conversation with her client, she puts her fingers directly on the tattoo she is working on. 3) Her client's skin is not red, there is no bleeding, puffiness, etc., revealing she is not actually working on a tattoo.
(at around 59 mins) When Ashe is chasing Curve out of the bar, he jumps a railing and lands on top of a car. You can see the windows blow out before Ashe lands on the car.
(at around 59 mins) When Ashe gets on his bike to chase after Curve, a crewmember is visible squatting down behind Ashe's bike.