Technical FAQ: Shimano GRX chainline, substitution for GRX flat-mount calipers

TECHNICAL GUIDE

Technical FAQ: Shimano GRX chainline, substitution for GRX flat-mount calipers

1 min read
Jul 29, 2020
Lennard Zinn
velonews ask lennard zinn technical q&a technical faq lennard zinn

Lennard answers questions about Shimano GRX chainline and derailleur adjustment, brake calipers, and also reviews questions about Salsa adjustable seatposts

Read the full article at Technical FAQ: Shimano GRX chainline, substitution for GRX flat-mount calipers 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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