What Integrated Handlebars Fit on My Bike?

If you’re considering upgrading your cockpit with the Sculpture Handlebar from Polymer Workshop, one of the first questions you might ask is: Will it fit my bike? This guide will help you find the answer, covering compatibility with top bike brands, available spacers and adapters, and how to choose the right setup for a clean, aerodynamic integration.

Why Upgrade to the Sculpture Handlebar?

The Sculpture Handlebar is a one-piece carbon cockpit designed for performance-focused cyclists. With its integrated stem, internal cable routing, and aerodynamic shaping, it delivers:

• Reduced drag through a narrow frontal profile and sleek lines
• Precise handling for technical descents and fast corners
• Lightweight construction to improve responsiveness and ride feel

To make integration seamless, Polymer Workshop offers a curated range of custom 3d-printed adapters and spacers to match a wide variety of modern headset systems.

Spacer & Adapter Compatibility: What’s Available?

Polymer Workshop offers tailored adapters for some of the most popular road bikes on the market. Here's a breakdown of the most in-demand options:

1. Specialized

• Designed for Tarmac SL7 and Tarmac SL8
• Allows full integration with the factory headset system

2. Cervélo

• Compatible with models using the ST31/32 integrated system, including:
  - R5
  - R5-CX
  - Áspero-5
  - Caledonia-5

3. ENVE In-Route / FSA ARC

• Adapters available for:
  - ENVE In-Route systems
  - FSA ARC headset systems
• Ideal for custom builds or frames with advanced cable routing

4. Factor

• Designed for:
  - O2 VAM
  - Ostro VAM
  - Ostro Gravel

5. Universal 56 / 46 Round

• Compatible with standard round headsets:
  56mm and 46mm outer diameter
• Perfect for custom steel, titanium, and boutique carbon builds
• Works with most third-party compression rings for fine-tuning stack height

6. Colnago

• Supports:
  - V4RS
  - C68
  - V4

Each adapter is precision-engineered to ensure a snug fit and clean cable routing, without compromising performance or aesthetics.

If your bike is listed above, simply select the corresponding adapter in the checkout.

How to Choose the Right Spacer or Adapter
To determine the correct adapter or spacer for your build:

1. Identify Your Headset System
   - Check your bike’s manufacturer specs or consult your local bike shop.
2. Check Cable Routing
   - The Sculpture Handlebar is designed for fully integrated cables. Ensure your frame supports internal routing from the cockpit.
3. Find Your Fit
   - Use the compatibility list above to match your bike model to the right adapter. If your bike isn't listed, reach out to Polymer Workshop — new models are regularly added.
4. Stack Height Adjustments
   - Fine-tune your fit with additional spacers or third-party compression rings, especially on custom round headsets.

Conclusion: A Seamless Upgrade for Performance Cyclists

The Sculpture Handlebar is built for riders who demand more from their cockpit setup - more speed, more control, more elegance. With a wide range of adapter and spacer options, it’s easier than ever to bring integrated aero performance to your bike, no matter the brand.

Find the Right Adapter for Your Ride

Explore the Sculpture Handlebar and choose the correct adapter for your frame.