The FlashFender DF from Topeak is ultralight, stylish, and simple to slide and click then ready to go when wet weather arrives. Included Duo Fixer allows fast and easy tool-free mounting and removal and provides dual use with Topeak Duo Fixer system accessories, including Topeak QuickClick saddle bags or most strap type saddle bags, Tubi tools, CO2 inflators, and lights underneath the saddle.Material: Polypropylene / Engineering grade polymerCompatibility: Upper - TubiMaster GX DF, NanoMaster DF, TailLux DF lights, and FlashFender DF with upper bracket Lower - Topeak QuickClick saddle bags or most strap type saddle bags, FreePackAttachment: Duo Fixer on saddle rail Size: 29 x 8.5 x 2.15 cm / 11.4 x 3.3 x 0.84 (Upper) Weight: 26 g / 0.92 oz (Upper)