SPO-S37997

^{DWG-D69706-004, Sprocket, Modified, No. 40, 1/2" Pitch, Ext TMS}

^{RPS-1236, Sprocket, 33T ASA40 Modified for ST11}

^{A352-132-02/02, Drive Sheave Type 4 TMS 30mm Tether BSPP}