Circle Engineering Circle Engineering
Carbon fiber texture background

We Offer Carbon Fiber Wheel Solutions

Rather than just building wheels

Circle Engineering 48mm carbon fiber disc wheel — front view

Carbon Fiber Wheel Expert

  • Taiwan company headquartered in Taichung
  • More than 50 years of experience in the composite material industry
  • More than 15 years of bicycle carbon wheel design and manufacturing
  • Dedicated to carbon fiber wheel development and production
  • Complete in-house capability: from raw carbon fiber to finished wheels and rims
  • Production capacity of 150+ pairs per day

Our Capabilities

Every detail controlled inside one system, from raw fiber to finished wheel.

In-House Manufacturing

Every rim is wound, cured, machined, and inspected on our own line in Taiwan.

Patented Dual-Axis Winding

Our proprietary filament winding process delivers unmatched consistency and strength.

Wheels & Rims

Complete carbon fiber wheels and rims — not just one component, but the entire system.

Beyond-Standard Testing

Endurance testing that far exceeds common protocols such as UCI and ISO standards.

Pro cycling peloton crossing a mountain pass, monochrome

International Brand Customers From All Over The World

We offer various suitable solutions to the manufacturing process of bicycle wheels, from the supply of raw materials to all associated industries that construct a high quality and reliable complete product.

Leave the ODM & OEM job to us. Put all your energy in the market — we are your solid support from Taiwan to all over the world.

Certified Quality

ISO 9001

Quality Management

ISO 14001

Environmental Management

ISO 14064-1

Greenhouse Gas Accounting