This is my first instructable so I've decided to make it simple. I usually ride my bicycle in outdoors and sometimes I need some specific tools for different situations. As a result I decided to prepare a kit that is always maintained on the bicycle so I dont have to carry these items in a backpack or spend money on bicycle bags.
Step 1: Find a Secondary Bottle With Canteen Holder and Put Items Into the Bottle
if you have holes for the secondary canteen holder screws you only need to tighten the screws. if you dont have any, you can use few zip ties to attach the holder to your bicycle. and you'll need a non-transparent bottle in order to avoid your items being seen from the outside. Finally put the items into the bottle.
2. Hex key
3. Extra battery
4. Swiss army knife
6. Cotton balls
7. Paracord bracelet with whistle
Since there was a indent on the bottle I wrapped my paracord bracelet around it. There is still some place to put a small tire repairing kit or whatever you want.