No weakest link. SRAM'S new Super Narrow 10-speed Power Chain features the PowerLock connecting link ? the only secure toolless attachment device for a sub 6mm chain in todays market. SRAM PC1071R series chains also feature hollow pin construction for weight savings with no sacrifice of strength. Lightweight, smooth, precise-shifting. A true high-performance product. Compatability extends to industry standard 10 speed systems.
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