Same performance as higher end Campagnolo race options at a price for evey discipline Specific Chorus technical treatment of the surface to increase product life Excellent option for all road and endurance applications New 11-34t option is perfect for longer endurance rides and all road tours 11-34t 12sp 11,12,13,14,15,16,17,19,22,25,29,34 Silver CN20-CH1214UPC/EAN/GTIN: 8053340454288