Super B Bicycle Chain Drift 5-12 vit

Intuitive 3-step operation: press the button, insert the bracket and release the button.You can then disassemble various types of chains, including 3/32" to 3/16" and 5 to 12 speed.The bracket holds 4 links to ensure users disassemble/install the chain stably on the bike and to avoid damaging the chain.