Prometheus 6mm Metal Bushing with Bearing.
Ultimate 5,9mm NEXT-GEN Ball Bearings.
Prometheus 6mm Metal Sintered Bearing.
Prometheus 7mm Metal Bushing with Bearing.
Ultimate 8mm Metal Bushings Graphite.
UFC (Union Fire Company) 7mm Stainless Steel Ball Bushing.
Complete set 7mm ball bearings gemaakt van stainless steel.