No more punctures! Imagine how terrible it is to get a puncture with a fully loaded barrow, miles from your car. This wheel is a great investment. The Hi-tec wheel features a Keratek lining. This is a Kevlar material as used in bullet proof vests. Prestige have never had a reported puncture with this wheel. Suitable for Fat Boy or Mk4Sporters. Includes spacer fitting kit.