OMPHOBBY M4 Helicopter Bearing ∅3x∅6x2.5mm OSHM4085 Sale! from 491 /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 is a replacement bearing ∅3x∅6x2.5mm for the OMPHOBBY M4 Helicopters Contents bearing ∅3x∅6x2.5mm-4 Qty available:1 SKU:OSHM4085