Serfas Co&sup2; Combo Kit 4 (Black, One) Carry everything you need for your next bike ride Check out one of our expandable bags to accommodate an extra tube or a bigger Multi-tool Our secure zipper closures give you the Peace of mind that what you put in your bag will be there when you need it Includes a MB-3N Micro Blast Inflator and two 16 gram threaded cartridges Medium Saddle Bag 6 function Mini tool Tire Levers