Litrid CeramicSpeed for SRAM 12s AXS XPLR Alloy 607 stainless steel black (110661)

The 12-tooth narrow-wide design provides exceptional shift performance. The narrow-wide design delivers precise engagement of the chain, both on and off the pulley wheels. This product is designed, developed and hand-built in Denmark and offers improved chain friction performance and increased longevity. CeramicSpeed Standard Ceramic Bearings - low friction, high durabilityBearing race material: hardened-steelCompatible with ROAD 12-speed SRAM AXS XPLR derailleursPulley material: aluminiumBearing type: 607In the box:Two 12-tooth pulley wheelsAlloy Spacer KitCeramicSpeed Oil for Pulley Wheel Bearings, 15ml. bottleSticker SheetRELATED TECHNICAL INFORMATION:CeramicSpeed Standard Ceramic Bearings - put more of your energy into forward motion by reducing frictional drag wherever you can. CeramicSpeed balls are 100% smoother and 15% harder than ceramic competition. The bearings last at least 3x longer than other bearings. Maintenance:Depending on the riding conditions it is recommended once a year to re-grease your CeramicSpeed Bearings.If used in very wet or muddy conditions, maintenance might be required more often.If high pressure washer is used, please do not point jet stream to any of bearings (headset, bottom bracket, wheel hub, full suspension links) as it may wash out the grease. The kits come with CeramicSpeed oil in a 15ml dropper bottle. The bearings come with oil in them already. The oil is to keep them running smoothly.These pulleys may need to be installed with stock SRAM pulley spacers between the cages. Save those before installing CeramicSpeed.