To me and it may just be the picture, but it appears that your seat looks too far back. When you are in the position of pedalling where you are in the stroke front foot forward you should be able to drop a plumb bob from the bone at the bottom of your knee down to the pedal. The plumb bob should be very close to where the spindle of the pedal is. Yours does not appear to be anywhere close. I would check this. You can put a little weight on a string to check this.
Does your seatpost have an offset that goes backwards from the seatpost?
You don't look too far off on reach, but you should always have your elbows slightly bent when riding (which you do not). If your elbows are slightly bent, you will be much more steady on the bike as well as being more comfortable in your arms. This requires you to use your core to balance and hold yourself in position instead of locking your elbows to hold you on the bike.



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