OUR CULTtm TECHNOLOGY AND A NEW CORROSIONPROOF TREATMENT EXALT ITS STRENGTH AND ENDURANCE. The use of unidirectional and multidirectional carbon fibre in the UltraHollowtm structure gives the cranks rigidity and lightness. ESP Enhanced Shifting Performance ACTUATION SYSTEMtm technology ensures precision and speed when shifting. We have redesigned the tooth profile to optimize 11speed operation. Our studies led to the ESP Enhanced Shifting Performance ACTUATION SYSTEMtm, specia
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