Reply To: Tubed or Tubeless? Great British Handcrafted Motorcycles › Forums › CCM Motorcycles – General Discussion › Tubed or Tubeless? › Reply To: Tubed or Tubeless? 12 November, 2020 at 12:30 pm #7084 Peter ConnorMember It is my understanding that if you have the CCM machined wheels then you will need to fit tubes irrespective of whether the tyre is tubed or tubeless. The reason for this is the the profile of the machine wheel is for a tube. I hope this helps Peter