Birzman Chain Keeper Elite Direto XR will automatically adjust

Direto XR will automatically adjust resistance and manage your training session

Great data accuracy with the integrated ANT™+ and Bluetooth Smart speed/power/cadence sensor

RealVideo & My RealVideo

The high levels of elastic within the fabric composition allow you to maintain complete freedom of movement

Birzman Chain Keeper Elite Direto XR will automatically adjustA great way to make cleaning easier is to remove your wheels. While this may seem excessive, removing the wheels from your bike opens up many tight areas that are tough to clean, allowing easier access and better visibility of these surfaces The Birzman's Chain Keeper was designed with this wheels off technique in mind and makes sure your chain stays off your frame preventing damage and keeping your drivetrain free to turn as is commonly needed during