C-ONE Sports Trunk bar type:S Brand C-ONE Motorsport (Japan) Website C-ONE.co.jp Part number FT5362-ST205 C-ONE Sports Trunk bar and Sports Rear tower bar Chassis stiffening helps to improve the car's handling. The C-ONE trunk bar connects the outer ends of the main chassis beams. You should be able to fit a space saver spare wheel when using the trunk bar. Related links C-ONE Sports Rear tower bar type:S Jspeed front strut brace Modifications - Chassis