SPIbelt - The Original Running Belt Color:Black Fabric/Black Zipper Made with our 15D Ultra-Sil

Made with our 15D Ultra-Sil Nano fabric with fully taped seams

It is compatible with both 10 and 11-speed freehubs

and workouts will all get a boost from the Bosch Active Line Plus motor with smart system technology that lets you map rides

The Inside:

SPIbelt - The Original Running Belt Color:Black Fabric/Black Zipper Made with our 15D Ultra-SilThe SPIbelt expands to hold larger smartphones; including the iPhone 13 Pro Max and Samsung Galaxy S20+. This fitness belt is called one of the best running belts for marathon runners, but its use doesnt stop there. It is perfect for walking, working out, travel, medical needs, and so much more. Keeps all your exercise accessories, headphones, keys, ID, and credit cards safe, secure, and close at hand. The SPIbelt expands to carry what you need.