The Composite C-hubs with 6° caster had been particularly developed the GT on-road platform. After substantial tests of various caster perspectives, the ultimate 6° caster had been selected once the best choice to exert effort within the number of race conditions bought at GT occasions. The C-hub geometry significantly improves steering characteristics over the past 16° hubs. The paid down caster angle also really helps to reduce tire use, producing more consistent handling during longer main events. Utilize with #352279 C-hub 6° Right. Fits both GTX and GTXE.