The GPM MZA803FR+1.5 front and rear sinkage rims are produced to provide repeatable fit and correct tyre seating for Mini-z AWD applications. The 18-spoke configuration with a 1.5mm offset maintains track stability, and the 8.5mm rim width supports proper tyre mounting for consistent handling. These rims are suitable for hobbyists tuning ride height and wheel alignment on compact AWD chassis.