Slice through the air. Release all your power and accelerate right up to the finish line. Against the clock or against your rivals, with Racing SpeedTM XLR the winner is you.
Light, reactive, and smooth: Racing SpeedTM XLR represents the maximum level of technology available and the best choice for finishing ahead of the pack.
The Racing SpeedTM XLR are now also available in the Dark Label version.
Racing Speed XLR with Shimano Inc. FW body is compatible with 10 and 11 speed sprockets.
The Racing Speed XLR wheel is entirely hand-assembled by a specialised Fulcrum® technician and is checked in every tiny detail with electronic instrumentation. This ensures maximum performance and reliability for all Fulcrum® wheels. - See more at: http://www.fulcrumwheels.com/en/collection/road/carbon/products/racing-speed-xlr#sthash.Avaxgp5E.dpuf