The 3 mm Allen Key Keychain is a compact tool designed for tightening spokes and hardware on compatible dragon staff hubs. Each keychain includes two doghead Allen keys attached to an O-ring, giving you a 3 mm hex key that’s easy to keep with your keys, prop bag, or other flow gear.
Unlike a traditional L-shaped Allen key, these keys use flat triangular heads that sit neatly against each other on the keychain. They’re small enough to carry around without much bulk, which also means you’re considerably less likely to lose the one tiny tool your dragon staff inevitably needs when you’re nowhere near your toolbox.
Two Keys for Extra Leverage
The two-key design isn’t just there so you have a spare. The keys can be connected together to give you additional leverage when tightening your dragon staff hardware.
Start by removing both Allen keys from the O-ring. Use one key to tighten your spoke or hub hardware until it feels snug. Then insert one Allen key into the triangular head of the second key to create a longer handle. From there, tighten approximately another half to full turn as needed.
This gives you considerably more leverage than using one of the compact keys by itself while still allowing the entire tool to fit conveniently on a keychain.
Compatible Dragon Staff Hubs
The 3 mm hex keys are compatible with Bonobo Flow Dragon Staff Hubs, Threeworlds Fusion Ultra Dragon Hubs, and Threeworlds Fusion V3 Dragon Hubs. They can be used for tightening compatible spokes and our Dragon Staff Hub Grub Screws.
If you’re installing or adjusting dragon staff spokes, check out our guide on How to Install Spokes into Dragon Staff Hubs for more information on proper installation.
Keep One With Your Flow Gear
Dragon staff hardware doesn’t always need frequent adjustment when properly installed, but having the correct tool nearby makes maintenance much easier when you do need it. The O-ring lets you attach the keys to your regular keychain, prop bag, or gear so your 3 mm Allen key can travel with your staff instead of slowly disappearing into whatever drawer Allen keys go to die in.












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