Rapha Men's Pro Team Aero Jersey IV - Black/Black Size:S E-tube Di2 uses a fully

E-tube Di2 uses a fully removable individual cable system from the battery indicator junction box

while adding new tools including the most ergonomic and functional chain breaker ever featured in a portable multi-tool

The cuff features a Xefco Xreflex layering system to boost warmth and promote warmer blood flow entering into the hand

With an incredible variety of rim profiles in the market

flat overlock seams ensure next-to-skin comfort whilst the textured surface of SBR HEX through the shoulders and side panels help 'roughen' up the air as it flows over your limbs to keep it closer to the body to reduce drag

Rapha Men's Pro Team Aero Jersey IV - Black/Black Size:S E-tube Di2 uses a fullyOur fastest jersey. Wind tunnel tested fabrics, optimised seam placements and our most engaged fit means reduced air resistance in pursuit of the finish line. Features Aerodynamic Performance: Wind Tunnel Tested, Italian Clima Fabric And Strategically Placed Seams Minimise Drag, Creating Our Fastest Ever JerseyRefined Construction: Bonded Neckline And Low Cut Collar Improve Fit And ComfortTemperature Regulation: Material Combination Designed To Keep