As we walk the pits at some of the largest races in the world, one of the most impressive things about the pro’s road bikes isn’t the new tech or next-model-year frames. It’s the complete and utter lack of friction or drag in their drivetrains. Sure, they have mechanics to clean and lube everything nightly, […]
The post BBinfinite boosts your speed with new Delrin/Ceramic road derailleur pulleys appeared first on Bikerumor.
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