AAI Graphite Rails for Uneven Bars

AAI Graphite Rails for Uneven Bars are nearly unparalleled in their performance.  What's the difference between the Graphite X and Graphite E Rails? There are two different kinds of AAI Graphite Rails for Uneven Bars available: Graphite E Rails - these rails are "softer" and more flexible than the Graphite X Rails Due to their higher range of flexibility, Graphite E Rails can only be used with cabled equipment Made with less graphite strands, making it 15-17% less rigid than the Graphite X Rail Used in elite competitions SKU 407-352 8' rail w/collar SKU 407-179 8' rail w/collar and piston Graphite X Rails - the competition standard for several years Use with either cabled or bolt down equipment FIG approved SKU 407-152 8' rail w/collar SKU 407-178 8' rail w/collar and piston You may notice that we also offer two sizes of the Graphite X Rails. The 8' length is used for uneven bars while the 6' length can be used for your Carolina Gym Supply Adjustable Star Bar System. All AAI Grap