Alphacool Silicone Bending Insert, 100 cm – for HardTubes ID 3/8 / 10 mm, Blue (29117)

The Alphacool 29117 tube is a precision cooling system component intended for liquid-cooling loops in desktop computers. This 100 cm blue tube combines flexibility and clarity for routing coolant between blocks, radiators and pumps while maintaining a neat appearance. Its low weight and straightforward handling make it suitable for both new custom builds and upgrades of existing systems.

Advantages

The tube provides reliable coolant flow with a consistent internal diameter and smooth inner surface to minimise turbulence and deposits. Its blue colour offers visual identification of cooling lines and contributes to an organised aesthetic in a custom loop. The material balances flexibility for easy bending and firmness to resist kinking, while the length allows for multiple routing options without excessive joins.

Suitable for

• Custom liquid cooling loops in desktop PCs
• Replacing or extending existing tubing in a water-cooling system
• Prototype rigs and test benches requiring visible coolant lines
• PC builds where cable and tube management and appearance are important

Key specifications

• Length: 100 cm
• Colour: Blue
• Weight: 0.123 kg
• Material characteristics: flexible yet resistant to kinking
• Intended application: liquid-cooling tubing for computers

How to use

Measure the routing path in your cooling loop and cut the tube to the needed lengths using a clean, straight cutter to ensure proper sealing against fittings. Slide the tube over compatible push-fit or compression fittings until it seats fully; if required, use clamps designed for your fitting type. Ensure all connections are secure before performing a leak test with the system powered off and the pump running. Replace sections showing wear, clouding, or micro-cracks to maintain system integrity.

Recommendations

Flush new tubing before installation if instructed by the coolant or tubing manufacturer, and perform a thorough leak test after assembly. Avoid sharp bends with radii smaller than the tube's tolerance and keep the tube away from heat sources that could deform the material.