I did it on my 20 years old bike corratec superbow world cup from 2004-2006 so NO you don't need fancy equipment that cost a lot of money, just work your ass. STAY HARD
https://www.instagram.com/p/DYbvTFdsu4S/
This is my try to personal best, in next few year i want to archive 100 pull ups...
This is my try to personal best, in next few year i want to archive 100 pull ups...
This is my try to personal best, in next few year i want to archive 100 pull ups...
This is my try to personal best, in next few year i want to archive 100 pull ups...
This is my try to personal best, in next few year i want to archive 100 pull ups...