OTK Stiffener Bush – 50mm Axle
Reinforce your rear. Dial in your drive. Stay planted through the push.
The OTK Stiffener Bush is engineered to add rigidity and control to your rear axle setup—especially when you're chasing grip through high-load corners or dialing in for variable track conditions. Designed for 50mm axles, it’s a must-have for karters who want to fine-tune flex without compromising speed.
🔧 Key Features:
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Precision-Machined Alloy – Built to OTK spec for a snug, secure fit on 50mm axles
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Stiffens Rear Axle Flex – Improves traction and stability under acceleration and cornering
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Quick Install – Slide-on design makes setup fast and pit-lane friendly
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Race-Proven Durability – Trusted across OTK chassis platforms in national and club-level competition
🏁 Why It Matters:
Whether you're running a Tony Kart, CS55, Kosmic, or LN Kart, this stiffener bush helps you:
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Reduce rear-end chatter on bumpy circuits
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Maintain consistent grip through long sweepers
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Fine-tune handling balance for changing track temps
We appreciate your business and are committed to providing you with exceptional service and timely delivery. Please review the shipping information below for your order.
Order Processing Time:
Orders are usually processed within 24-48 hours after the order has been placed.
Custom or special order items may take longer to process, typically 3-5 business days.
Shipping Methods:
Standard Shipping (3-7 business days)
Expedited Shipping (2-3 business days)
Express Shipping (1-2 business days)
Packaging:
Rest assured that all items will be securely and safely packaged to prevent any damage during transit. Fragile or high-value parts will be packaged with additional protective materials, such as bubble wrap or foam padding.
Shipping Rates:
Shipping rates vary based on the size, weight, and destination of the package. You can view the estimated shipping costs for your order during the checkout process before placing your order.
Order Tracking:
Once your order has been shipped, you will receive an email with the tracking number and carrier information. You can also track your order status by logging into your account.
International Shipping:
We ship worldwide! Please note that international shipping rates and delivery times may vary based on destination. Customers are responsible for any customs fees, import taxes, or additional charges that may apply.
