Suitable for Shimano series brakes: M675/M785/M985/M7000/M8000/M9000Piston diameter: 21.9MM Piston thickness: 9MMThe piston weight is 15.6G, which is a few grams heavier than the , but it is more durable than the and is not fragileColour:WhiteMaterial:ceramicsPackage Contents:1 * Ceramics Piston1 * Rubber ringOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.Shimano SLX XT XTR oil brake ceramic pistons and sealsSuitable for Shimano series brakes: M675/M785/M985/M7000/M8000/M9000Piston diameter: 21.9MM Piston thickness: 9MM