Prestacycle UniBlock PRO Cassette - 12-Speed For Campagnolo 9-12 Speed Freehub 11-32t Silver CheckoutTitle=CST Vault Tire - 20 x 2.2 The light yet responsive button

The light yet responsive button clicks over rough terrain eliminate second-guessing for greater confidence and flow

Chain management keeps the drivetrain quiet and secure

Assorted aluminum headset stack spacers are precision cut to ensure proper headset function

Custom-engineered optics do not waste light and is specifically engineered to provide cyclists a wide beam ideal for handlebar illumination

Prestacycle UniBlock PRO Cassette - 12-Speed For Campagnolo 9-12 Speed Freehub 11-32t Silver CheckoutTitle=CST Vault Tire - 20 x 2.2 The light yet responsive buttonPrestacycle UniBlock PRO Cassettes are machined from a single solid block of cold forged Chrome Molybdenum alloy steel then heat treated tumble finished and electroplated for added durability low friction operation and longer service life. The UniBlock PRO cassettes feature ARC shifting tooth profile technology that provides the fastest smoothest possible shifting to all systems while minimizing the impact to power delivery. Single block design offers