Freeline Black Rear Hub 50x90mm White this NOX filter is commonly

this NOX filter is commonly used on KZ and KZ2 engines

Driver development and training

Rotax Max and Rotax Mini engines

and secure support arms to keep your kart steady during maintenance or transport

Proven Performance

Freeline Black Rear Hub 50x90mm White this NOX filter is commonlyThe Freeline Black Rear Hub 50x90mm is a genuine Freeline OEM hub for 50mm rear axles on Birel ART and compatible kart chassis. Precision machined from alloy with a black anodised finish, it provides reliable axle clamping and a clean appearance. At 90mm in length, it offers a compact rear hub profile suited to a wide range of setup configurations. Key Specifications Axle bore: 50 mm Hub length: 90 mm Material: Alloy Finish: Black anodised