Designed specifically for Campagnolo Ekar 13x drivetrain. Campagnolo Chorus 12 Speed Chainset Ultra Torque Carbon - 170mm 34/50T. Campagnolo Components. Campagnolo Spare Parts. Campagnolo Wheels. Chainring options: 38T, 40T, 42T, 44T (interchangeable without removing crankset).
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