Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
This cassette is built with a strategic application of aluminum
Redesigned
It also features spine relief slots for easy zip-tie mounting—no drilling required
Cassette/Freehub Compatibility: MICROSPLINE (not compatible with standard HG cassettes)
Low-profile collar
Aspero Apex Size:61 This cassette is built withIn 2019, spero took the gravel world by storm, heralding a new era of speed in gravel. Fun, but flat out. The new spero remains true to its original brief, but with some improvements: a threaded BB shell, neater cable routing, and a UDH compatible derailleur hanger for those who want to use SRAMs Transmission drivetrains. And its more aero, of course. In the case of spero, aerodynamic performance is less about pure speed as a result of drag reduction,