Compatibility - Banjo Bolt & O-Ring (Y2RT98010). Shimano part no.: Y2RT98010. Shimano Banjo Bolt & O-Ring for BR-M8100/7100. Shimano Banjo Bolt with two O-Rings for hydraulic brake hose in combination with XT BR-M8100 and SLX BR-M7100 brake calipers.