Precision 50mm Magnesium Sprocket Carrier Size:50mm C0EKIT) is the standard-length magnesium

C0EKIT) is the standard-length magnesium front wheel hub kit for OK-class OTK kart chassis running the HST front hub system

This is the Tony Kart / Rookie 900 version

Whether you’re racing club events or pushing at national level

The Freeline KZ F-grade rear axle is a 50mm diameter

Precision 50mm Magnesium Sprocket Carrier Size:50mm C0EKIT) is the standard-length magnesiumThe Precision 50mm Magnesium Sprocket Carrier is a lightweight performance upgrade designed to make sprocket changes faster, easier and more consistent. Built for 50mm axles, it helps reduce weight in the axle assembly while improving efficiency in the pits during setup changes and race weekend maintenance. The threaded design keeps the sprocket bolts retained in the carrier at all times, helping them act as alignment points for quicker installation