Carbon fiber bicycle handlebar on a gray background

Vision Metron 5D ACR EVO Integrated Compact Carbon Road Handlebar & Stem

Vision
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Regular price £54799
Regular price Sale price £54799
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The Vision Metron 5D ACR EVO represents the pinnacle of integrated cockpit engineering—a carbon bar and stem system where every millimetre is shaped for aerodynamic efficiency and internal cable routing is seamlessly baked into the design.

This is a full integration: the handlebar and stem form a single structural unit with internal channels for brake cables, shifter cables, and electronic wiring routed through the stem and bar without external routing. The five-dimensional (5D) design language refers to Vision's optimisation across five aerodynamic parameters simultaneously—not just front-facing drag, but pressure distribution, yaw stability, and integration with your helmet and body position.

The Metron 5D uses Vision's ACR (Aerodynamic Cable Routing) interface, allowing drop-bar attachment via industry-standard integration. Stem lengths span 80–140mm; bar widths range from 360–440mm. All variants maintain the same aero profile, so you're choosing fit without sacrificing aerodynamic intent.

Carbon construction keeps weight down while the integrated cable routing eliminates the visual clutter and mechanical complexity of external housings. The bar offers multiple hand positions (hoods, drops, tops) and integrates cleanly with Di2 systems thanks to the internal routing capability.

Fit matters with cockpit systems. The Metron 5D suits riders with smaller frame sizes (50–56cm) and those prioritising aero efficiency on time trial bikes or long road races. It's not a casual weekend bar—this is purpose-built equipment for performance-minded cycling.

Eminence stocks all Metron 5D variants and can advise on stem length and bar width based on your bike geometry and intended discipline. Consider pairing with Browse Vision Wheelsets or Browse Carbon Seatposts for a complete integrated build.

Frequently Asked Questions

Is cable routing only for Di2, or can I use mechanical shifters?
The ACR system is cable-agnostic. You can route mechanical or electronic shifter cables, brake housing, or Di2 wiring through the internal channels with equal efficiency.

What reach and drop does the Metron 5D bar offer compared to traditional bars?
Reach is compact by design; drop is moderate. The aero shape trades some drop angle for drag reduction. Measure your current bar and test fit before ordering.

Does the integrated stem-bar system reduce rigidity compared to separate components?
No. The unified carbon structure is actually stiffer than separate components bolted together, improving steering response and power transfer.

Shipping information

SHIPPING POLICY

Shipping Overview

At Eminence Cycle Co., we are committed to providing fast and reliable shipping for all our products. All orders are shipped from the United Kingdom and are subject to the following shipping policies.

Processing & Dispatch Times

 Components, Accessories & Framesets: Dispatched within 5 working days.

 Complete Bikes (Pre-Owned & New): Dispatch may take up to 14 working days to ensure proper assembly and quality checks.

International Shipping & Customs

 Orders shipped outside the UK may be subject to import duties and taxes, which vary by country. These charges are the responsibility of the buyer.

 Eminence Cycle Co. will not be liable for delays or returns due to customs clearance.

 If an item is returned due to customs refusal, a reshipping fee will be applied and sent to the customer prior to resending the item.

Damaged Shipments & Claims

 If a package arrives damaged, it must be reported immediately in writing to info@eminencecycleco.com upon receipt with clear photos and a damage report to initiate a claim.

 Eminence Cycle Co. reserves the right to refuse claims if damages are not reported immediately upon receipt.

For any shipping-related inquiries, please contact our support team before placing your order.

Thank you for choosing Eminence Cycle Co.!

RETURNS

We have a 14-day return policy, which means you have 14 days after receiving your item to request a return. 

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. 

To start a return, you can contact us at jmcyclesltd@gmail.com. 

If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at jmcycles@gmail.com

Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items
Certain types of items cannot be returned, like special orders—including custom-built bicycles, non-stock components, and any items specifically ordered at a customer’s request—are non-refundable and non-returnable unless deemed faulty or defective upon arrival.

By placing a special order, you acknowledge and agree that:

 No cancellations, refunds, or exchanges will be accepted once the order has been confirmed and processed.

 Special order items are procured specifically for you and cannot be resold as standard inventory.

 If a special order item arrives damaged or defective, you must notify us immediately, providing clear photographic evidence. We will work with the manufacturer to determine an appropriate resolution, which may include repair or replacement at our discretion.

• Certain Special Order items may be sourced from outside country of purchase and may be shipped directly to client - these items may be subject to import duties which shall be borne by the buyer

This policy does not affect your statutory rights under consumer law.

If you have any questions regarding special orders, please contact us before making a purchase.

We do not accept returns for Pre Owned Bicycles and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item. 

Unfortunately, we cannot accept returns on sale items or gift cards.

Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

European Union 14 day cooling off period
Notwithstanding the above, if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at jmcyclesltd@gmail.com

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