Prestacycle UniBlock PRO Cassettes MFPN=WHX1700THDSSA18396 Now compatibility with Shimano’s newest

Now compatibility with Shimano’s newest Di2 semi-wireless groupsets

Tip Size 13mm

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Prestacycle UniBlock PRO Cassettes MFPN=WHX1700THDSSA18396 Now compatibility with Shimano’s newestPrestacycle 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