No weak links
SRAM’S Super Narrow 10-speed PowerChain™ features the PowerLock® connecting link — the only secure tool-less attachment device for a sub 6mm chain in todays market. SRAM PC-1071 series chains also feature HollowPin™ construction for weight savings with no sacrifice of strength. Lightweight, smooth, precise-shifting. A true high-performance product. Compatibility extends to industry standard 10-speed systems.