Order O-Rings Quick and Easy X-Ring Seals Rubber Washers
Enduro chains
Sealing ring X-ring Quad ring XR 0 - 99 mm NBR | eBay
Modern O-Ring and X-Ring chains DO NOT NEED LUBRICATED! ONLY CLEANED! I am prepared to die on this hill, but please, hear me out first :) : r/motorcycles
Quad Rings | X-Ring Seals - Ace Seal
X-Rings: Standard & Metric Sizes | Global O-Ring and Seal
Metric Buna O-rings 120 x 3.5mm Minimum 2 pcs - OringsandMore
RK Chain Technical Information :: MotorcycleGear.com