The GPM DMZA601F/R/0 Delrin front and rear ridge rims deliver a durable upgrade path for Mini-z AWD cars. With a 0mm offset and an 8.5mm rim width, these Delrin rims improve lateral stability and deliver predictable handling characteristics. The Delrin construction is chosen for wear resistance and consistent dimensional stability, making these rims a practical upgrade for enthusiasts seeking repeatable on-track behaviour.