GARMIN HRM-Pro Plus Heart Rate Monitor Vest SRAM engineered the oversized DUB

SRAM engineered the oversized DUB spindle to work across every bottom bracket standard

it matches the machined shoulder of our single-speed cassette cogs (not included)

Saddle:  WTB Silverado Medium CroMo

Molded pins and ribs for grip

Roller wheels for rolling when folded

GARMIN HRM-Pro Plus Heart Rate Monitor Vest SRAM engineered the oversized DUBWhether youre training indoors or out, the HRM Pro Plus heart rate strap provides the accurate data you need to push limits and reach goals. HRM Pro Plus transmits real time heart rate data to compatible devices, equipment and apps. The tool free door makes changing your battery easy, plus get up to 1 year of battery life. Connect to your compatible Garmin smartwatch, and get pace and distance data for your indoor runs. Its not just a heart rate