yes
A BMX stem is what connects the handlebars and forks to the frame.
To measure BMX handlebars accurately, use a measuring tape to determine the width of the handlebars from end to end. Additionally, measure the rise of the handlebars from the center of the stem to the top of the bars. These measurements will help ensure a proper fit for your BMX bike.
To fix BMX handlebars, you might need to bend the handlebars back to their correct position. You might also need to tighten the bolt that anchors the handlebars to the bike. Fixes will vary depending on what is wrong with the bike.
Yes, all handlebars have the same diameter out by the grips.
Primo strands or Odyssey cs2 race forks
Tighten the stem
A BMX detangler is a device that allows the handlebars of a BMX bike to rotate freely without tangling the brake cables. This helps in improving the performance of the bike by allowing the rider to perform tricks and maneuvers that require the handlebars to spin without interference from the brake cables.
you can searh online on skatehut , winstanleys bmx and dogg scooters are the best.
you probably want to replace them. They can be pretty cheap to buy off the internet.
the fork gyro (if have) and stem and mostly important the headset
It´s the Stem, it holds the bars and match with the frame with the help of a headset.
check for any obstructions on the frame if there is anything get it off