COMPASS CYCLESは現在、日本語版Webサイトの制作を進めております。大部分のページは英語での表記に限定されておりますが、お支払い方法については日本語でご案内しております。ご不便をおかけいたしますが、何卒ご理解頂きますようよろしくお願い申し上げます。

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Is ____ compatible with my bike?

On the product page, click on ‘Tech Specs’ at the bottom of the page to find all the relevant information.

What is the difference between your handlebars?

Read this blog post about how our handlebars feel different on the road.

Which Berthoud saddle do you recommend for me?

Read this blog post about how different riding positions affect your saddle choice.

Which Kaisei tubeset do you recommend for me?

These blog posts describe the ride characteristics of bikes made from the three tubesets we offer:

  • Superlight with ultra-thinwall tubes for the lightest, most flexible frame
  • ‘Mule’ with a stiffer downtube and superlight top tube
  • Oversize for stiffer frames

Beyond the information in these blog posts, we cannot recommend a particular tubeset for you. The final tubing selection for your bike is something to discuss with your builder, who will design your frame based your build, riding style, preference, and intended use of the bike.

Didn’t find the answer you were looking for?

Write to and we’ll answer your question, usually within 2–3 days.