Castelli Speedsuit Body Paint 4.X Brand_Look a huge 24% faster than

a huge 24% faster than our previous generation 6-pawl driver and DT's 54 tooth ratchet (6

Cool look and feel honeycomb material

This is the lightest Eagle cassette in history as well as our most precise and long lasting

dust and water-resistant

Castelli Speedsuit Body Paint 4.X Brand_Look a huge 24% faster thanSimply engineered to be the fastest suit for racing against the clock. YOU'LL THANK THE UCI. If we could we would keep this suit an industrial secret, a competitive advantage for our pro riders. But the UCI rules say we have to make it commercially available to keep the playing field even for all teams. So here it is. We don't want to give away too many of the secret details that make it so fast, but there are a few details that you can see: amazing