Easton EC70 AX Di2 Gravel Handlebar - 40cm - 31.8mm

The Easton EC70 AX handlebar is specifically designed to meet the demands of the growing gravel an...

Best current price£84.99from Merlin Cycles

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Merlin CyclesEaston Black Ec70 Ax Di2 Carbon Gravel Handlebar - / 42Cm / 31.8Mm
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£84.99
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TredzEaston Black Ec70 Ax Di2 Road Bike Handlebars Size 4
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Leisure Lakes BikesEaston EC70 AX Di2 Road HandleBar 31.8 Black
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Product Information

Full details

The Easton EC70 AX Di2 Gravel Handlebar is designed for gravel and adventure cyclists who prioritize control, stability, and cockpit ergonomics during long-distance rides on variable terrain. By leveraging a 16-degree drop flare and the proven MCD shape, it offers a secure platform for technical descents and efficient power transfer, though its specialized gravel geometry may feel overly wide for riders accustomed to traditional narrow road bars.

All features

Model Part Number20424-40-EC70
BrandEaston

Extended Product Information

FAQs

Is the EC70 AX compatible with mechanical shifting?

Yes, but this specific model is optimized for Di2 internal routing, so verify that your mechanical housing can navigate the internal exit points.

What is the clamp diameter for this bar?

The Easton EC70 AX is designed for a standard 31.8mm stem clamp diameter.

Can I use clip-on aero bars with these?

Check with the specific aero bar manufacturer regarding carbon handlebar compatibility, as some clamps can cause structural damage to carbon composite.

What is the weight of the 40cm version?

While weights vary by production run, the EC70 series is engineered for a competitive weight-to-durability ratio typical of mid-to-high-end carbon bars.

Do I need special tools to install this handlebar?

A torque wrench is strictly required for the safe installation of carbon components to prevent over-tightening and material failure.

Troubleshooting

Bars slipping in the stem clamp

Verify that you are using carbon-safe friction paste and that the stem bolts are torqued to the specific values recommended by the stem manufacturer.

Difficulty routing Di2 cables

Ensure the internal routing paths are free of debris and use a guide wire or thin cable to pull the electronic wires through the exit ports.

Creaking sounds during riding

Remove the bars, clean the clamping surfaces thoroughly, apply fresh carbon paste, and re-tighten to the correct torque specifications.

Pros and Cons

Pros

  • Excellent vibration damping properties from carbon construction
  • Enhanced stability in the drops due to the 16-degree flare
  • Clean, clutter-free setup with integrated Di2 cable routing
  • Ergonomic top shape mimics comfortable road bar geometry

Cons

  • Not compatible with all mechanical cable housing internal routing
  • Fixed width of 40cm may not suit all rider shoulder widths
  • Carbon fiber requires a torque wrench for safe installation

Setup, Compatibility & Care

Proper setup is critical for longevity and safety when using carbon handlebars. Always use a calibrated torque wrench and ensure that the stem faceplate is tightened to the manufacturer's specific settings to prevent crushing the carbon structure. When installing shifters or brake levers, apply carbon-specific friction paste to ensure they stay secure without needing excessive torque.

Compatibility note: This bar features a 31.8mm clamp diameter and is specifically optimized for internal Di2 routing. Always inspect the bar for scratches or deep gouges after a crash or impact, as carbon damage can compromise the structural integrity of the component. Clean the bar only with mild soap and water to avoid damaging the finish or material.

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