Serfas Waterproof Cell Phone Top Tube Bag Audio Components Gravity-defying PAINCAKES™ is a patented

Gravity-defying PAINCAKES™ is a patented cold therapy device designed to adhere directly to your skin without actually touching your skin

The ONLY paddle that allows a relaxed hand AND the responsiveness of a ‘strapless’ design

Presta and Schrader Valves

Computational Fluid Dynamics (CFD) optimized aerodynamic shape to minimize system drag

Sealant Is CO2 Compatible

Serfas Waterproof Cell Phone Top Tube Bag Audio Components Gravity-defying PAINCAKES™ is a patentedThe Serfas LT STM5 Waterproof Cell Phone Top Tube Bag safely keeps your mobile device mounted and within view as well as nice and dry if the sky decides to open up. The top facing see through waterproof sleeve is touch friendly so you can still easily swipe right, check local weather, or track your rides without having to remove the device.* *Mobile Device Not Included ; ) Features Include: Will Fit Mobile Phone Sizes Up To Apple iPhone 6 Plus