Thread: How to make a road bike ride smoother?
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Old 12-07-19 | 02:08 AM
  #24  
Nyah
QR-disc must die!!!
 
Joined: Sep 2018
Posts: 703
Likes: 199
From: Shenandoah Valley, Northern Virginia.

Bikes: '99 Trek 520, '20 Kona Sutra (FOR SALE 48cm), '21 Simon-Bikes mini-velo and a chromoly-framed folding bicycle with drop-bars and V-brakes, that rolls even while folded.

This article gives some info about GP4000S in its various sizes. Other articles on the site might helpful as well.

https://www.bicyclerollingresistance...0s-ii-23-25-28
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