9 Speed E-Bike Chain with superior rust prevention technology for E-Bike Applications 1/2' X 11/128' Pin Length: 6.6 mm 136 Links Colour: Silver Hi-Performance Triple X-Durability e-Bike Non Directional Nickel Plated Mid-motor e-Bike 9-speed derailleur systems Weight: 344g
Best Price: £39.95 from Cyclestore