Training Tip #5: Fly through Flats and Make the Most of Your Time on the Bike March 07, 2015 - 8:06
"For a sleek, minimal flat kit, use electrical tape to wrap a CO2 container, inflation adapter, and tube together. Then wedge it under your saddle between the rails and secure it by using electrical tape to tape it to your saddle. Your saddle/seat post configuration
might not be conducive to this, but hopefully it get you think about other possibilities - taping two metric Allen keys under your aerobars is another idea."