NEW Topeak SideKick Wedge Seat Bag: Medium, Black variant-size-md and power cable are universal

and power cable are universal between Dura-Ace 7970 and Ultegra 6770 Di2 systems

Tightly spaced center knobs minimize rolling resistance

Wheel size versatility to run 27

Back and bottom reflective accents: Enhance visibility

NEW Topeak SideKick Wedge Seat Bag: Medium, Black variant-size-md and power cable are universalThe SideKick Wedge seat bags offer large, side opening molded panels to provide complete access to contents. Large, side opening molded panels provides complete access to contents 600 Denier and EVA Foam construction Semi rigid design holds its shape well and is weather resistant QuickClick mount with seatpost strap for stability Total Volume: 42 in3 Primary Material: 600D Polyester Waterproof: No Attachment Method: Quick Connect Weight: 190 g Color: