THM is manufacturing some the most unique and lightweight cranks in the industry. The M3 is a very versatile crank given its modularity and the ability to switch quickly between 130 BCD and 110 BCD compact spiders. The Clavicula, weighing in 40 grams less than the M3, is the lightest raceable crank on the market. Its spider is integrated into the crank so compact or standard must be chosen up front, but is worth the 342g weight!
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