Garmin HRM600 Heart Rate Monitor - Medium - XLarge 280 x 140mm 5mm BB Inclusion No Crank

5mm BB Inclusion No Crank Spindle Diameter 28

Rings 40Number of Chainrings Chain Retaining SingleDrivetrain Speeds 12Drivetrain Speeds 13Chainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm ChainstayChainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm ChainstayColor Natural CarbonCrank Length (mm) 172

From Rossignol:

model Verdict TCS Tough High Grip SG1 IP+ E50 size 27

Garmin HRM600 Heart Rate Monitor - Medium - XLarge 280 x 140mm 5mm BB Inclusion No CrankHRM 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