Super Record 12-Speed Wireless Cassettes Race-series A shallower rear rim cuts

A shallower rear rim cuts unnecessary weight for faster acceleration and improved

It features a big

Lifts bikes up to 100 lbs using air pressure with no electricity or batteries required

Stretch reflective trim at armholes

Super Record 12-Speed Wireless Cassettes Race-series A shallower rear rim cutsThe Super Record Wireless cassettes were conceived, studied and designed to guarantee cyclists with the smoothest shifting across the entire range of combinations. For this reason, closer jumps are key to the pedaling experience of all cyclists, who are always guaranteed perfect cadence in any situation. These cassettes embody excellence in the search for performance, lightness and durability. Smooth shifting is guaranteed by single tooth jumps up to