NEW Shimano XTR CS-M9100 12-Speed Cassette CS-M9101-12 12-Speed, 10-45t, height_6ft-06in-and-up Brand: Fizik

Brand: Fizik

but not optimized

Includes metal brake pads

Shoe Size (US): 13

NEW Shimano XTR CS-M9100 12-Speed Cassette CS-M9101-12 12-Speed, 10-45t, height_6ft-06in-and-up Brand: FizikShimano XTR CS M9100 cassette features better chain retention and ground clearance. This cassette is built with a strategic application of aluminum, titanium, and steel materials for an optimal blend of weight savings, rigidity, and durability. Compatible with Shimano Hyperglide+ chains Hyperglide+ technology offers better chain engagement, stronger retention, and smoother pedaling for greater power and confidence over rapidly changing terrain Micro