The crank extractor is used to remove standard square taper and ISIS (splined) crank arms., all you need is either a 58 or 16mm spanner or just an adjustable spanner. Also suitable for standard square tapers.
FEATURES
Simply remove the bolt in the crank arm using a spanner
Fit for any brand bottom bracket
Screw the lower black part of the tool into the crank until tight
Screw in and continue to tighten the silver piece of the tool until the crank starts to move
Easy use & suitable for beginners
Suitable for standard square tapers
Strong & robust design