Compatible with ISM Adamo saddles with transition hook, ISM Adamo Attack models and ISM PN 1.X. Lightest & stiffest adjustable rear carrier with repair storage options. Customize your setup with the ideal cage, color and finish. GORILLA cage featuring a 10 lb grip on the bottle. FEATURES: Aerodynamic Location: Mounts to saddle, hiding in body’s draft. Highly Adjustable: Can adjust cage angle and cage height for a perfect custom position. Stable Design: Stiffest mount on market with alloy arms. Flared Cage Design: Makes inserting bottle easy. Anti-Vibration: Locking hardware for safety and security Repair Storage Options: Compatible with AERO POUCH 300 bag or MULTI-STRIKE REPAIR HOLDER. Delta 425 is ISM saddle compatible with the following models: models with transition hooks, Adamo Attack™ and PN1.X models. SPECS: Includes: (1) XLAB Cage Mount (1) XLAB GORILLA XT Cage Hardware Color: Gloss Black Weight: 141.5 grams