it's certainly lightweight and it's neatly made, and even comes with a little pot of carbon assembly paste. but it just doesn't function properly. failed to grip the inside of my carbon steerer tube with or without the use of carbon paste, as it just spins round as you tighten it. couldn't get close to the required installation torque. as soon as I tried to clamp the stem/top cap down it just pulls the expander up the steerer because you can't get it tight. there are 4 segments that expand, but I couldn't get them to expand evenly so you won't get an even clamping force either. oh, and the nice red aluminium bolt that's supplied wouldn't sit flush in my Deda top cap, so I had to use a standard bolt instead. took ages to get the headset properly preloaded. save your money and buy something elseRead full review
Verified purchase: Yes | Condition: New
Tried several versions of this by different manufacturers and this one is the lightest and works the best by far. It is a lot more expensive than some but works well and reliably.
Verified purchase: Yes | Condition: New
Weighs nothing and works really well, I would recommend a torque wrench for install to make sure not to over-tighten.
Verified purchase: Yes | Condition: New
Just as described. Easy way to shave 30g, weight weenies be aware.
Verified purchase: Yes | Condition: New
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