Description
The Unior Cartridge Bottom Bracket Tool – 20 Tooth is a precision-engineered tool designed for installing and removing Shimano® and ISIS® Drive bottom brackets. Made from premium Flex Plus carbon steel, it delivers long-lasting durability and exact fitment on 20-tooth cartridge-type bottom bracket cups.
Perfect for workshop or home mechanics, this compact tool ensures a secure grip and minimizes the risk of damage to the bottom bracket splines during maintenance or replacement.
Features
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Manufactured from premium Flex Plus carbon steel for superior strength and longevity
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Designed for Shimano® and ISIS® Drive 20-tooth bottom brackets
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Precisely machined for an exact, non-slip fit
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Ideal for installation and removal of cartridge bottom bracket cups
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Professional-grade quality for workshop or personal use






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