This derailleur cage has almost zero friction (but will cost you at least £630) – plus, SpongeBob goes aero, new shoes from Sidi and Giant, and loads more from Bianchi, 3T, Silca… – Cycling News | Bike Reviews

This derailleur cage has almost zero friction (but will cost you at least £630) – plus, SpongeBob goes aero, new shoes from Sidi and Giant, and loads more from Bianchi, 3T, Silca… – Cycling News | Bike Reviews | road.cc

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