XLAB Delta 425 Rear Hydration System - 2356
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Product Information
Full details
The XLAB Delta 425 Rear Hydration System is designed for competitive triathletes and serious cyclists who need a secure, aerodynamic method to carry hydration behind the saddle. By mounting directly to the saddle rails, it sits within your body's aerodynamic draft to minimize drag while offering a high-grip cage that prevents bottle ejection on rough roads. While it provides excellent stability and customization, users should verify their specific saddle model compatibility before purchase to ensure a secure fit.
All features
| Model Part Number | 2356 |
|---|---|
| Brand | XLAB |
Extended Product Information
FAQs
Is the Delta 425 compatible with all saddles?
No, it is designed specifically for certain ISM saddle models, including the Adamo Attack and PN1.X. Check compatibility before installation.
Can I store my repair tools on this system?
Yes, it is designed to be compatible with the XLAB Aero Pouch 300 or the Multi-Strike Repair Holder for storage.
Does the system affect my bike's aerodynamics?
The system is designed to mount behind the body in the draft, which is generally more aerodynamic than frame-mounted bottle cages.
What is the grip strength of the Gorilla cage?
The Gorilla cage features a high-grip design with approximately 10 lbs of grip force to prevent bottle launch.
Can I adjust the angle of the bottle?
Yes, the system allows for custom cage angles and heights to ensure the bottle is positioned for easy access.
Troubleshooting
Bottle feels loose in the cage
Check the Gorilla cage for dirt or debris that may interfere with the grip, and ensure the bottle is pushed fully into the cage until it clicks.
System vibrates or moves during the ride
Verify that all mounting hardware is tightened to the recommended torque specifications and that the arms are correctly seated on the saddle rails.
Pros and Cons
Pros
- Extremely secure bottle retention with 10 lb grip
- Aerodynamically efficient rear-mount position
- High level of adjustability for custom fit
- Sturdy alloy construction limits vibration
- Expandable for tool storage
Cons
- Not compatible with every saddle model
- Requires careful alignment to avoid interference
- Higher weight compared to minimal single-bolt designs
Setup, Compatibility & Care
Installation involves securing the system to the rear rails of your compatible saddle. The Delta 425 is specifically designed to work with various ISM models, including the Adamo Attack and PN1.X. To install, follow the included manual to attach the alloy arms to your saddle rails, then adjust the cage height and angle to your preferred position using the locking hardware provided. For maintenance, periodically check the mounting bolts to ensure they remain tight, especially after traveling with your bike. Keep the Gorilla cage clean of road debris to maintain optimal grip strength on your bottles.