Arundel Medio Seat Bag Headsweats Perfectly secures your Shimano Di2

Perfectly secures your Shimano Di2 junction box under your stem without clunky rubber bands or zip ties

Great for use with padded bike shorts

Clear is specifically designed to discreetly provide bomb-proof protection for your seat and chain stays against impact and wear

the colors of this bodyglower fade from neon coral into a reflecting grey

Get some variety in your life

Arundel Medio Seat Bag Headsweats Perfectly secures your Shimano Di2Medio is you guessed it the mid sized sibling of Arundel's range of water resistant, extra durable seat bags. Constructed of nylon fabric impregnated with thermoplastic polyurethane, with sonic welded seams and extra wide strap for greater security. The materials don't make for a cheap bag, but the value is superb. And like all Arundel seat bags there is no strap around the seatpost, so no bits of webbing or exposed velcro to tear up your expensive