Bicycle Components & Accessories
Sram PC1170 Hollow Pin 11 Speed Chain 120 Link with PowerLock, Silver
newest narrower SRAM PC-1170 chain outer plates for improved shifting chrome hardened pin construction provides longer chain life
https://www.bizrate.co.uk/bicyclecomponents_accessories/sram-pc1170-hollow-pin-11-oid39430949032.html