SRAM's 1x Eagle component system boasts a twelve-speed cassette. We have built pulleys that can handle the load better than stock. These CeramicSpeed Pulley Wheels work with less drag, adding to the power transmitted to the rear wheel, and greater durability, too, going longer between replacement intervals.The upper and lower pulleys both have a narrow-wide tooth design. Both pulleys have 14 teeth.Our Titanium Eagle 14 are available in two versions; with Standard Bearings (proven to surpass the competition in testing) and Coated Bearings. Coated Bearings add an extra layer to the performance of the product and offer even longer lifetime and lower friction. Learn more about the advantage of our CeramicSpeed Coated Bearings here.Designed in light and strong Titanium, these Pulley Wheels offer three times longer lifetime over our alloy Pulley Wheels.In the box2 x 14-tooth pulley wheels.CeramicSpeed Bearing Oil in 15ml dropper bottle.CeramicSpeed Grease in 5ml syringe.Sticker sheet.