GARMIN HRM-SWIM HEART RATE TRANSMITTER discount_processed Shimano Saint Hollowtech II SM-BB80-B

Shimano Saint Hollowtech II SM-BB80-B bottom bracket with 68/73mm for Saint FC-M810 and FC-M820 cranksets

Wide angle for particularly flat or steep clipping-in

Exceptional tire wall design with a unique look

Aeolus RSL 62 is the perfect upgrade for the fastest you

Outer width: 81mm

GARMIN HRM-SWIM HEART RATE TRANSMITTER discount_processed Shimano Saint Hollowtech II SM-BB80-BTake 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),