I am 18 years old, 66kg (146lbs) and 180cm (5'11").
Gear: treadmill, power tower (pull/chin-ups and dips), two dumbbells with weights of 30kg (max. of 20kg per dumbbell), a resistance cable and a WonderCore II which I could use for a bench for dumbbell presses and sit-ups.
I am currently thinking about a training scheme, preferably every day except Friday. I have some experience but am completely new to pull-ups and dumbells. I would mostly want to train my chest, back, biceps, triceps and abs, since I train legs enough during cycling and running. I would prefer to not do too much cardio since I would like to gain a lot of muscle and my stamina is already sufficient.
Monday: Chest (dumbbell press, diamond pushup, chest dips) + triceps (tricep dips, diamond pushup, two-arm tricep extension).
Tuesday: Biceps + shoulders (bicep curls, pull-ups).
Wednesday: Back (chin-ups,?).
Thursday: Cardio (20 min running or HIIT with sprinting).
Saturday: Abs (sit-ups especially).
So my question is, what could I do on Sunday or how should I shuffle some of the muscle groups per day since this is hard to decide on for me. Also, do you know of any other good exercises (for my back and abs or anything else) with the equipment I've got? I will find warming ups on the internet.