Kogel Aluminium Derailleur Pulley Narrow Wide 1x11 - Pair cassettes Very fast rolling tire

Very fast rolling tire

Wide flange custom hubs

5mm and 2x3

7g package

This makes them very quiet

Kogel Aluminium Derailleur Pulley Narrow Wide 1x11 - Pair cassettes Very fast rolling tireSpin Specific fit and shape for SRAM 1x11 drivetrains with the narrow wide profile. It's known that your pulley wheels are subject to a lots of spinning. Have really clean or good quality pulleys can reduce drivetrain friction up to 15%. Not only that your bike runs quieter and will shift better. Kogel Ceramic Pulley feature Grade3 Abec 5 ceramic beraings, they offer smoother spinning over typical steel bearings and have an aluminium body for extra