The SRAM PC-870 is an ideal upgrade or replacement chain for any bike with a 6,7 or 8 speed drivetrain. This durable chain will improve the shifting performance of any new bike with a 6, 7 or 8 speed drivetrain and is a great choice when rejuvenating your old mountain bike. SRAM features nickel outer-plates and chrome-hardened pins for improved corrosion and greater strength. Also, a PowerLink connector is included for tool-less installation. A PC-870 chain from SRAM will keep your favorite bike running smoothly.