Delta 425 Bottle Cage Hitch micro-perforated fabric that is highly

micro-perforated fabric that is highly breathable to keep you cool

3-inch tire on wider rims

and aluminum is light

The RZ3 improves upon the previous generation's aero frame bottle design: not only does it comply with UCI regulations

Delta 425 Bottle Cage Hitch micro-perforated fabric that is highlyLightest & stiffest adjustable rear carrier with repair storage options. Most adjustable single bottle system with both cage height & angle adjustments. Sturdy, reliable storage system with stiff stainless steel arms. Delta 425 comes equipped with our world championship winning Gorilla Cage with 10 lb of grip and 4 color options! Compatible with ISM Adamo saddles with transition hook, Adamo Attack & select PN models. Compatibility Delta 425 is ISM