ZTTO 12 Speed Chain Color: gold/silver/rainbow Material: Steel Usage: 12 Speed Length: 126 links Package: In-box DO NOT CONNECT THE CHAIN WITH USED PINS!!! Chain knotting treatment method Mass Compatibility Compatible with 12 speed mountain bike and road bike. Comes with a pair of missing link. Easy to install and clean. Stretch-Proof The chain is stretch-proof and is able to withstand a little more wear and tear which means you can get more mileage of the bike chain High-Quality With high-quality steel materials keeps the chain durable. This bike chain is stretch-proof and is able to withstand a little more wear and tear which means you can get more mileage of the bike chain.

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