Swingarm Bush Aprilia SX 50 Limited Edition 14-. Aprilia SX 50 Factory 18-20 Swingarm Bush. Swingarm Bushing for Derbi Senda, Aprilia RX 50, SX 50cc. Set of 2 swing arm bushes suitable for the Derbi Senda, Aprilia RX / SX and Gilera RCR / SMT 50cc geared mopeds.
