Standard 5-Piece rims are made for tubeless operation with reinforced bead seat bands and back section. Based on GKN’s experience in the industry, coupled with extensive laboratory and field tests, it has been possible to re-engineer the traditional 5-piece rim to create an alternative 3-piece product. Changing from a 5-piece to a 3-piece rim offers cost and performance benefits which have resulted in this type of wheel becoming the industry standard in some sectors. With the driver on the outside, there is always a risk of damage (or even destruction) as a result of stone impacts and aggressive conditions. An inside driver is completely protected from such hazards. When the driver is on the outside, wheel components must be adjusted to the correct position after the tire is partly inflated to ensure the driver is also positioned correctly. However, with a driver on the inside, tire mounting is safer as the driver is in place before the tire is inflated. Wheels with the driver on the inside are also lighter and more stable.