Garmin HRM600 Heart Rate Monitor - Medium - XLarge CheckoutSpec= Zeb Cassette Body Type Shimano/SRAM 11

Cassette Body Type Shimano/SRAM 11 Speed Road Material Aluminum

74mm post-mount replacement calipers: if replacing IS-51mm caliper

28 straight pull steel spokes

6 inch x 0

Garmin HRM600 Heart Rate Monitor - Medium - XLarge CheckoutSpec= Zeb Cassette Body Type Shimano/SRAM 11HRM 600, the premium heart rate monitor, is built for data driven performance athletes. It provides accurate heart rate and HRV data plus running dynamics with step speed loss which helps runners improve their form when paired to a compatible smartwatch. After pushing hard, easily remove the module, and throw the strap in the wash. TECH SPECS Connectivity ANT+ BT Misc M XL