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MTB Mechanic: Crank – Bottom Bracket Square Taper

  • By Lennard Zinn
  • Published Jul. 1, 2011
  • Updated Oct. 12, 2012 at 12:56 PM EDT

Is your mountain bike covered in mud? Chances are the part hit hardest by the mud was the bottom bracket. Singletrack.com’s Lennard Zinn explains how to remove, clean, and replace a bottom bracket square taper crank.


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FILED UNDER: Bikes and Tech / MTB / Video TAGS: /

Lennard Zinn

Lennard Zinn

Our longtime technical writer joined VeloNews in 1987. He is also a framebuilder, a former U.S. National Team rider, and author of many bicycle books, including Zinn and the Art of Mountain Bike Maintenance and Zinn and the Art of Road Bike Maintenance, as well as Zinn and the Art of Triathlon Bikes and Zinn's Cycling Primer: Maintenance Tips and Skill Building for Cyclists. He holds a Bachelor’s degree in physics from Colorado College. Readers can send brief technical questions to Ask LZ.

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