Prestacycle UniBlock PRO Cassette - 11-Speed HG 12 Interface HG 12/11/10 Freehubs 11-28t Silver Color-Black/Tan Carbon crank arms and aluminum

Carbon crank arms and aluminum 50t X-Sync aero chainring results in a lighter weight stiffer more durable crankset

24") thickness

5" Rim Material Alloy Tire Type Tubeless Ready Clincher Hub/Brake Compatibility 6-Bolt Disc Rim Size 27

Superior chain management with MTB-inspired spring clutch

The FR 571 is built for aggressive gravity riding where strength durability and precision handling are critical

Prestacycle UniBlock PRO Cassette - 11-Speed HG 12 Interface HG 12/11/10 Freehubs 11-28t Silver Color-Black/Tan Carbon crank arms and aluminumPrestacycle 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