GARMIN HRM-SWIM HEART RATE TRANSMITTER trek kids This high-quality cassette is ideal

This high-quality cassette is ideal for those with a Shimano or SRAM 10 speed drivetrain

Fully sealed bearings for smooth

Compatible chain:  PC-1090R

Specially adjusted design for front and rear wheel use

Drivetrain cleaning tools

GARMIN HRM-SWIM HEART RATE TRANSMITTER trek kids This high-quality cassette is idealTake your training to the next level by pairing HRM Swim with your Garmin Watch. Specifically designed for use in the pool, the sleek, non slip strap stays in place, even during wall push offs. Once you're out of the water, including when the torso is lifted out of the water mid session, real time heart rate, interval summaries and stored heart rate are transmitted to the 920XT. Use Pool swims Open water swims Triathlon competition (pool swim),