Silca Aero Socks - White Size:XL To supply a Shimano Di2

To supply a Shimano Di2 rear derailleur with power from the Bosch system

Offset: 44 mm

21mm shorter band than the conventional size to create a secure

As an attractive andonized black alumminium

Mount: 8-Bolt Direct Mount

Silca Aero Socks - White Size:XL To supply a Shimano Di2An unbelievably comfortable sock made of the finest materials that can also save you 4 8W. Why not save a few extra watts while you get the added comfort benefit. Features Save 48w (tested 3045kph) Q Skin stitching is antimicrobial Anti odor No toe seam 19. 5cm cuff Sock Size Chart (Based on EU shoe size) S 35 37 M 38 41 L 42 44 XL 45 48 Mfr Claimed Weight TBC