Buy 7mm Allen Key -

7 mm hex key - old handlebars, cranks & more - Bike Gremlin US

Because they are rarely in standard sets, you will often need to purchase them as individual tools or in specialized "automotive" kits. buy 7mm allen key

: Occasionally found in high-end or older RTA (ready-to-assemble) furniture that doesn't follow the more common 4mm/5mm standard. Purchase Options 7 mm hex key - old handlebars, cranks

: Used for some vintage quill stems, seat posts, and specialized handlebar clamps. and specialized handlebar clamps.