The tubes of this old Cannondale are far enough apart so one hand can reach both downtube shifters, but operating both at once is difficult because of their wide spacing. Stem Shifters Many bikes from the mid '70s through the mid '80s had shift levers mounted on the handlebar stem. St...
and some sizes are close enough to one another that mistakes are possible even during installation. If you do have Stein seatpost-diameter measuring tools, you can use these also to measure and compare all but the largest fork crown races. If you don't have these tools, a selection of ...
They avoid unnecessary friction between tires and tubes, which reduces the rolling resistance even more than with super light competition tires. Tubeless tires can be used with a lower inflation pressure without compromising performance. That brings clear advantages in comfort as well as clearly more ...