Multi-tool (10 function)
This extremely useful multi-tool has the following tools:
- Phillips-head screwdriver
- Slot-head screwdriver
- 2, 2.5, 3, 4, 5, 6, 8mm allen keys
- Torx 25 key
That will have you sorted for most bolts and screws on your bike. It should be all you need to adjust brakes and gears on the road too.