You are reading a single comment by @gbj_tester and its replies. Click here to read the full conversation.
  • I know they will be slightly slower

    Citation needed. The rolling resistance is very close, and the tread on the GP4000S seems to act as a trip, so some wheels have less drag with a 4000 than they do with a completely slick tyre.

About

Avatar for gbj_tester @gbj_tester started