The name Sram stands for quality and innovation.The new super narrow 10-speed Power Chain which features the PowerLock connecting link is the only secure toolless attachment device for a less than 6mm chain in today's market. The Sram PC1031 10 speedc chain also boast a hollow pin construction for weight savings with no loss of strength. Lighter weight plus smooth, positive, precise shifting adds up to true performance. Compatibility extends to industry standard 10 speed systems. SRAM PC1031 10-Speed Chain Features Pins: Chrome hardened pins Quick Link: PowerLock tool-less connecting link Compatibility: Industry-standard 10 speed systems Links: 114 links Weight: 277 grams