Technical FAQ: Oversized Pulley Wheels, long chains, and rear racks

TECHNICAL GUIDE

Technical FAQ: Oversized Pulley Wheels, long chains, and rear racks

1 min read
Mar 24, 2021
Lennard Zinn
velonews ask lennard zinn technical q&a technical faq lennard zinn
Technical FAQ: Oversized Pulley Wheels, long chains, and rear racks

Chain friction in systems with oversized pulley wheels, and more solutions for mounting a rear rack on a carbon frame.

Read the full article at Technical FAQ: Oversized Pulley Wheels, long chains, and rear racks on VeloNews.com.
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Written by Lennard Zinn
As a frame builder, Lennard Zinn has been designing and building custom bicycles for over 42 years; he founded Zinn Cycles in 1982 and co-founded Clydesdale Bicycles in 2017. His Tech Q&A column on Substack follows his 35-year stint as a technical writer for VeloNews (from 1987 through 2022). He is a former U.S. National Cycling Team member and author of many bicycle books including Zinn and the Art of Mountain Bike Maintenance, Zinn and the Art of Road Bike Maintenance, and The Haywire Heart. He holds a bachelor’s degree in physics from Colorado College.
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