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  • One end of the tool securely engages the 16 notches of the bottom bracket cups
  • The other end of the tool engages the 8 internal splines of the crankarm adjustment cap
  • Also fits rotor disc lock rings with 16 external notches

Made in USA.

View all Park Tool Drivetrain Tools

REI membership


Best Use Cycling
Weight 280 grams
Rated 5 out of 5 by from functions properly functions precisely as it should
Date published: 2013-06-06
Rated 5 out of 5 by from Park tool quality Excellent quality, which is what I expected. Recommended.
Date published: 2014-06-20
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