ROCKBROS flessenhouder-adapter onder het zadel - aluminium, zwart

Mount a water bottle behind your saddle for easy access during long rides. This ROCKBROS adapter clamps onto standard saddle rails, providing a secure platform for a bottle cage without frame mounts. Ideal for road cyclists, mountain bikers, and tourers who need extra hydration capacity or have limited frame space.

Key specifications

• Material: Aluminum alloy with anodized finish
• Color: Black
• Mounting position: Under-saddle
• Compatibility: Standard dual-rail bicycle saddles
• Bottle cage mount: Standard 2-bolt pattern
• Angle adjustment: Adjustable tilt
• Installation: Bolt-on with included hardware
• Corrosion resistance: Yes
• Weight: Lightweight design
• Number of bottle cages supported: 1

Why choose it

The adapter offers a practical solution for cyclists who need extra hydration without compromising frame geometry. Its aluminum construction ensures durability and corrosion resistance, while the anodized finish adds a sleek look. The adjustable angle allows you to position the bottle for easy reach, and the included hardware makes installation straightforward with a hex key.

Ideal use cases

• Road cycling: Keep a spare bottle for long training rides.
• Mountain biking: Carry extra water on technical trails where frame space is limited.
• Touring: Increase hydration capacity for multi-day adventures.
• Bikes without bottle mounts: Add a bottle cage to frames lacking braze-ons.

Good to know

The adapter fits most saddles with standard round rails. Ensure your saddle has enough clearance for the bottle and cage. Installation requires a hex key (Allen wrench). The package includes mounting bolts for both saddle rails and bottle cage.