SRAM® Power Chain(tm) II PC 850 Chain - Open packaging in a box of 25 - Gears: 8-speed - Length: 114 links - Color: gray inner and outer plates - Closing mechanism: Power Link(tm) - Recommended groups: X 5 / SX 4 / 3.0 - Additional features: specially hardened and chrome-plated pins - Weight: 310g