NO WEAKEST LINK
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. The SRAM PC-1031 chains feature our solid rivet pin construction. Lighter weight plus smooth, positive, precise shifting adds up to true performance. Compatibility extends to industry standard 10-speed systems.