450 class Integrated linking ball set Sale! from 598 /per Qty. Add to Cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. This integrated linking ball set great replacement for your Align Trex 450 helicopter. Compatible with - Align Trex 450 S, SE, DFC, Tarrot, Blade and many other helicopters Qty available:4 SKU:450-060