SRAM'S 10-speed PowerChain features the PowerLock connecting link for secure tool-less attachment. Compatibility extends to industry-standard 10-speed systems. For all road and mountain bike drive trains.Features-PowerLock non-reusable connecting link is included-Compatible with SRAM and 10-speed drive trainsItem Specifications-Links:144-Drivetrain Speeds:10-Chain Connection Type:Single Use Master Link-Color:Silver-Half Link Chain:No-Defined Color:Silver