Presses out the links to lengthen or shorten your bicycle chain to fit multiple cassette configurations
Helps in retracting pin guide supports and guides chain pin out of link to prevent damage and misalignment to the chain
Guide pin sheer slot for a clean break every time
Works with most bicycle chains single to 12-speed; specifically made for Shimano type HG/UG/IG chains and fits 8/9/11/12-speed cassettes
Shop-quality tool
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