Thule doesn't specify weight in their specification but other sources suggest 15

The Absoluteblack Oval Guide chain guide is here

Event and Home mechanics that have an obsession with quality

There is added room through the shoulders and back for MTB posture and the fabric does have some stretch

Granite Design Juicy Presta Valve Stem Extender - 80mm - Black Back in Stock Thule doesn't specify weight inGranite valve stem extenders allow you to extend the length of your Presta valve stems by 40mm, making it easier to reach and inflate your bike tires. Sold in pairs, the extenders are compatible with standard Presta valves. Whether you have deep section wheels or just want a little extra reach, this valve stem extender is an easy and convenient way to ensure proper tire inflation. Versatile Ratchet Wrench: Includes a dual head for hex bits and sockets