WHEEL FRAME FOR WINGS 230 MM (9") SPACING 6.5 M (21'4"), 7.4 M (24'2"), 8.3 M (27'1") AND 9.2 M (30'1") SIZES 280 MM (11") SPACINGS 6.4 M (20'10"), 7.4 M (24'4"), 8.5 M (27'10") AND 9.6 M (31'4") SIZES [A23] 0 Non Sectionalized Catalog 331 Power-Flex Wing-Fold Disk PC1633 in DISK 331