The Composite C-hubs with 6° caster was in fact specially developed the GT on-road platform. After significant tests of a couple of caster perspectives, the last 6°caster was at reality plumped for because the smartest choice to possess factors how many competition conditions purchased at GT occasions. The C-hub geometry notably improves steering traits through the previous 16° hubs. The repaid caster angle also helps reduce tire use, producing more constant maneuvering during longer primary tasks. Utilize with #352289 C-hub 6° Left. Fits both GTX and GTXE.