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  1. Home » Good enough for Thor … riding the Cervelo S5 » Solid aero chainrings

Solid aero chainrings

Riding the Cervelo S5

Many sprinters use Rotor’s Aero chainring. It’s stiffer and can also be used to add weight to bikes just under the UCI minimum. Hushovd had a 53/39 chainring combo on his 175mm crank arms. The pedals are battered but serviceable Shimano 7900s. The front derailleur is a SRAM Red Black (confusing?) with a steel cage.