• Graphite extensions for aluminum straight back uprights • 2mm paid down roll center jobs • licenses to hold camber url in identical location whenever uprights rises • Lightweight • Premium-grade graphite product • Fits XB8 & XT8 aluminum rear upright #353366 • 2 pcs in set The graphite extensions for aluminum rear uprights #353366 function camber hyperlink mounting holes 2mm reduced permitting to obtain hyperlink paid off whenever hub rises to put on hyperlink in identical spot. Made out of premium-grade graphite item. Band of 2. Fits: XB8 Aluminum straight back Upright #353366