This is an optional XRAY Composite Aero Disc Rear Upright. This compact rear uprights are small in size but are very strong due to the special composite mixture used. Thanks to superior molding tolerances, bearings fit perfectly into the rear uprights without any extra play, giving maximum stability.
Features two mounting positions for the upper roll center linkage to allow easy roll center changes.
The rear uprights accommodate the optional graphite Aero Discs XRA335370 for improved stability and traction.
This product was added to our catalog on August 12, 2015