Germany’s Clavicula MTB cranks are gorgeous, lightweight and R20 000

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Not only very easy to spin around. But absolutely terrific to look at, too. (Photo: THM)
Not only very easy to spin around. But absolutely terrific to look at, too. (Photo: THM)

In mountain biking, weight matters. And the lighter your components are, the faster you’ll go, especially uphill.

Many mountain bike brands claim to have some trace of 'aerospace' grade design in their product offering. But few do.

THM is different. The German component supplier makes some of the world’s best – and most expensive – carbon-fibre cycling bits. And its founder, Thomas Mertin, is a qualified aerospace engineer.

Ultralight cranksets are a speciality item for THM. And despite making some of the world’s lightest mountain bike cranks, Mertin and his design team, have managed to shed almost 30% from its existing Clavicula XC crankset.

Carbon cranks aren’t a new development, but the meticulous attention to detail enables THM to remove weight without compromising design integrity. How much do they weigh? Only 299g. The design goal was clearly a sub-300g crank, even if only by a single gram.

THM’s Clavicula XC cranks look gorgeous, with their exposed carbon-fibre weave surfacing. Despite only weighing as much as half a dozen energy bars, these updated Clavicula XC cranks are tremendously strong.

A weakness of extreme lightweighting in mountain biking, is fragility. But THM claims that the Clavicula XC cranks are adequately robust to ride on any terrain and support a rider up to 110kg.

How much lighter are these cranks than those from other brands? Nearly half, as an average carbon-fibre mountain bike crankset weighs about 500g.

THM’s Clavicula XC cranks aren’t cheap, at R20 000, but they should last forever. Are they the lightest mountain bike cranks you can buy? Not quite. That would be these.

 

 

 

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