KMC - Chain, Anti-Rust (EPT), 9 speed, 1/2 x 11/128 106L (Sport) – tokyobike London
WBias&Belief Bike Chain Links,1/2 X 11/128 Inch 114/116 Links,Reusable MTB Chains,Bike Hollow-Out Chains,Duty Bike Quick Release Chain for Mountain Road Bike Accessory,9S : Amazon.co.uk: Sports & Outdoors