OTK Genuine 50mm Rear Axle Breathable Inspect brake pads at every

Inspect brake pads at every service interval

Kosmic — Senior OK chassis with 30mm tubes and 92mm rail spacing

Redspeed chassis using a 50mm rear axle

The soft compound provides excellent mechanical grip for fast lap times while maintaining consistent performance throughout practice

OTK Genuine 50mm Rear Axle Breathable Inspect brake pads at everyAxle selection is one of the most consequential setup decisions in karting. The stiffness of the rear axle directly influences how the chassis transfers load through corners a stiffer axle reduces rear flex and can help the kart maintain stability in high grip conditions, while a softer axle allows more chassis movement and can assist rear end rotation in lower traction situations. The 0054G0 is the genuine OTK 50mm rear axle for OK, OKJ, and single