The 50mm KillerBee Grip is for people with larger hands or like to wrap their grip extra thick. The added weight of the fat grip pushes the balance of the machine all the way to the front.
To alter the balance of your KillerBee grips are available in different metals. The aluminium grip moves the balance of the machine towards the back and the brass grip moves the balance towards the front.
On grips made from other materials or a different finish other than polished aluminium there may be a 10 working day lead time before shipping.