Tested

ONEUP COMPONENTS EDC STEM & TOOL SYSTEM

£78 (stem), £53 (tool system)

SPECIFICATION Weight: Stem 157g, EDC Tool 126g • Stem length: 35 and 50mm • Contact: oneupcomponents.com

OneUp’s EDC (EveryDay Carry) Tool system is a compact and convenient way to store tools on your bike — a storage tube, containing a selection of tools, simply slots into the steerer. It’s recently been given an update.

With the original you needed to thread the top of your steerer tube (you had to buy a £31 cutter to do this), but this was impossible with carbon forks, and several fork manufacturers said that making this modification would void the warranty. To get around the warranty issue, and allow the EDC to work on any steerer, OneUp has developed a new EDC stem.

This stem has an integrated pre-load adjuster, so you can remove the star-fangled nut and then take any slack from the headset by tightening a collar on the bottom of the stem. This actually works in a similar way to the old Dia-Compe Diatech headset system, but because it’s housed inside the bottom of the stem, it’s much lower profile. Rather than screwing into the steerer, the coloured top cap that holds the EDC tool clips into a dedicated washer on top of the stem.

Once the stem is in place, eliminating play in the headset is a little counter-intuitive because you have to lock the stem in place first and then tighten the pre-load adjuster, which expands slightly. The thing about doing it this way is you have to have everything aligned first and if the stem is crooked, or gets knocked off-line, you will need to repeat the whole process.

The EDC tool storage is modular, which