Bike chains explained: structure, speeds, compatibility, chain length and more - BikeRadar
TOOPRE 6/7/8-Speed Bicycle Chain, 116 Links Steel High Strength Bike Derailleur Chain for 6/7/8-Gear Road Mountain Bicycle (4.9ft) : Amazon.co.uk: Sports & Outdoors
Review: KMC X11L Gold 11 Speed Chain | road.cc
Bike Chain, 11 Speed Road Bike Chain High Hardness Full Hollow Corrosion Resistance Flexible for Mountain Bike(Colorful) : Amazon.co.uk: Sports & Outdoors
Original X11.93-NPGY KMC 11 Speed Chain for Trekking 116 Links Half Nickel Plat | eBay
Bicycle Chain, Bike Chain High Hardness 11 Speed Full Hollow for Road Bike(Gold) : Amazon.co.uk: Sports & Outdoors
Vbest life Stainless Steel Bicycle Chain, Speed Bike Chain 11/33 Speed Bicycles Chain Electroplating Silver Chain for Mountain Bike Road Bike : Amazon.co.uk: Sports & Outdoors
6 Useful Facts About Your Bike Chain | Bicycling
Bike Chain, Professional 11 Speed Flexible Road Bike Chain Alloy Steel High Hardness with Chain Connector for Mountain Bike(Colorful) : Amazon.co.uk: Sports & Outdoors
Interesting experiment with chain life | EMTB Forums