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Carbon for carbon's sake


Just been writing up the BMC SLC01 Pro Machine that's just in, and it got me all angry about carbon stems again. Not because it has one – sensibly BMC spec the EA90 – but just because they exist, really. Why do they exist? The EA90 and EC90 are a good case in point. The EA90 is an excellent stem. The EC90, which is £100 dearer and 5g heavier, is average at best. Why even bother?

I test rode an MTB with an '07 EC90 stem a year or so back. I could move the bars an inch up and down at the ends. Carbon doesn't cope well with the twisting forces that a stem encounters. In an ideal world you want some kind of large diameter metal tube with... oh.

Dave is a founding father of, having previously worked on Cycling Plus and What Mountain Bike magazines back in the day. He also writes about e-bikes for our sister publication ebiketips. He's won three mountain bike bog snorkelling World Championships, and races at the back of the third cats.

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