OMPHOBBY M4 Helicopter Tail Bellcrank(Black) OSHM4030B Sale! from 811 /per Qty. Add to Cart This is a replacement Tail bell crank for the OMPHOBBY M4 Helicopters Contents Tail Bellcrank-1Flanged Bearing Φ2xΦ6x3-2 Qty available:2 SKU:OSHM4030B