Castelli Espresso 15 Socks Size:2XLARGE This is a DH derailleur

This is a DH derailleur that is easier to shift

Available in four popular sizes from 13mm to 18mm

Exact Actuation™ for fast and accurate shifts using SRAM's 1:1® actuation ratio (shifter cable travel : derailleur movement)

Series: ULTEGRA R8100 Series

0 Tyres and 2 x FREE Vittoria 700x20/28c Butyl  60mm Threaded Presta Valve Inner Tubes with removable valve cores

Castelli Espresso 15 Socks Size:2XLARGE This is a DH derailleurAbout Castelli Espresso 15 SocksThe Castelli Espresso 15 Socks are a performance cycling sock with extra cushion for added comfort. With Q Skin yarns and antimicrobial silver ions, these socks reduce odor and provide maximum comfort. The mesh, compression cuff ensures breathability and a secure fit, while the extra cushion on the footbed and arch support offer added comfort during long rides. Features Q Skin yarns with antimicrobial silver ions to