1/2" or 3/8"
with a large torque adjustment range
TÜV certificated
You will need one when you work on your rear wheel, oil filling screw, sump drain plug, handlebar and so on.
High-quality Allen keys made of chrome-vanadium-steel are...
The small but powerful diagnostic tool Bike-Scan 100...
Refill pack for Dynaplug Ultralite Tubeless Tire Repair Kit...