Extend the life of your Coron Air Carbon SPIN helmet with a replacement Coron Air Carbon SPIN Interior. The Coron Air Carbon SPIN Interior only fits with the POC Coron Air SPIN and Coron Air Carbon helmet. Note: This item should only be used in the product it is intended for. POC accepts no responsibility for problems or injury as a result of wrongly fitted parts or if this part is used in another model. For the safety of our riders, we always recommend replacing your helmet every 1-5 years dependent on use, and especially if your helmet was involved in a crash.