Scicon Sports Rear Triangle Frame Shield is the ideal solution to increase safety, protect against violent blows, and reduce the risk of damaging the bike while carrying it in a bag. It attaches quickly using straps and Velcro and is compatible with most racing, triathlon, gravel and cyclocross frames. Made with LinerTex(TM) tear-resistant fabric, ImpactSafe(TM) high-density padding and DuraShield(TM) protection, it covers also the rear derailleur. A perfect accessory for the Aerocomfort bag and other soft bike bags.