K-EDGE Wahoo Max XL Mount BlackTodays cycling electronics give you all the features you could want, battery life and max lumens, but it comes with added weight. The K EDGE Max XL mount was designed for this reason. Attributes (specs): CNC Machined Aluminum Weight 50g Combo Compatible (K13 580 Add On sold separately) Wahoo approved replaceable computer insert protects computer tabs Anodized Black with laser etched logos Made in house, Boise, Idaho USA Lifetime Warranty