RACETECH Seat Foam HONDACRF250 22-26 CRF450 21-26 RACETECH SEAT FOAMRACETECH seat foams are produced in high density polyurethane, which does not absorb water and keeps its excellent qualities for a long time. They are made following the best world championship racing teams. They are quite interchargeable with the original ones. Standard SizeZadelschuim StandaardRacetech Partnumber SPUCRFH0021