SRAM PC 971 Bicycle Chain - 9 Speed This SRAM PC 971 9 speed chain is chrome hardened and compatible with Shimano 9-speed drive trains. Excellent for power transfer and efficient cycling,the SRAM PC 971 is a go-to chain for beginners, intermediate and advanced cyclists. Pick yours up today from ProBikeKit. - T.H Key Features: Chrome hardened with Nickel plated external pin plate and grey steel internal pin plate. Recommended for high end groupsets. Gold connector. Compatible with Shimano 9-speed drivetrains. 114 links. Weight: 297g (Manufacturer claimed).