XRIVAL Crumb bumper plates are a type of weightlifting plates commonly used in fitness and strength training. Here are some general details about XRIVAL crumb bumper plates:

1. Material: Crumb bumper plates are typically made from recycled rubber crumb material. This material is known for its durability, shock-absorbing properties, and resistance to damage from drops and impacts.
2. Design: Crumb bumper plates usually have a circular shape with a center hole that fits Olympic barbells. They are designed to be dropped from overhead or from a height without causing damage to the floor, equipment, or the plates themselves.
3. Weight Options: Crumb bumper plates come in a range of weight options, typically starting from 10lbs and increasing in increments of 5lbs or 10lbs. The specific weight options may vary based on the manufacturer and the intended use of the plates.
4. Versatility: Crumb bumper plates can be used for a variety of exercises, including Olympic lifts, powerlifting movements, CrossFit workouts, and general strength training exercises. They are commonly found in commercial fitness facilities and home gyms.
5. Standard Dimensions: Crumb bumper plates generally adhere to standard Olympic plate dimensions, with a diameter of 17.7 inches for the larger plates. The center hole has a standard diameter of 2 inches to fit Olympic barbells.

Please note that the information provided is based on general knowledge of XRIVAL crumb bumper plates, and specific details of XRIVAL Crumb Bumper Plates may differ. For accurate and comprehensive information about XRIVAL Crumb Bumper Plates, it is recommended to consult the product description, contact the manufacturer directly.