Sea to Summit X-Mug Surly Bikes lock down the silicon port

lock down the silicon port covers and the device is actually able to work underwater for short periods of time

This is the successor to the Yepp Maxi with the easy rack mounting system compatible with most Rad Power Bikes rear seat racks

CNC machined from 2014 T6 aluminium

Easy to use:

Dimension: 30 x 30 x 96mm (large cap) / 21

Sea to Summit X-Mug Surly Bikes lock down the silicon portThe X Mug is a collapsible mug that is also calibrated as a measuring cup. The flexible silicone sides fold flat making this a small compact disc sized dinnerware piece that nests neatly with other X Series dinnerware and X Pots. The rigid ring within the rim keeps it sturdy and easy to drink out of.