R3 Single Rear Carrier : Wind tunnel developed, the Speedfil R3 single puts your rear hydration in the optimum aerodynamic location for each rider’s unique body position and riding style.

The R3 single contains single mount with hardware and Z4 cage.  This product is interchangeable with the complete R3 Carrier system .

NOTE: The R3 Single Rear Carrier is currently not compatible with ISM saddle model# PN3.0 and model #PN3.1