Sram PC 870 8 speed Silver ChainThe Sram PowerChain II-870 is an excellent replacement upgrade to any bike. Optimized for increased front and load shifting performance at the same time retaining excellent rear shifting precision. Step2 riveting process increases push pin power to provide increased strength and durability. The PowerLink makes it easy to join links together without tools. Will workon 5/6/7/8 speed index and non-index systems. 7.1mm width.710845504723
