During a Zwift ride I noticed my Decathlon Van Rysel Trainer Tire developed these lumps. I removed everything, inflated the inner tube and no lumps. Inspected the interior of the tire and
Van Rysel In'Ride 100 Home Trainer | Decathlon
How To Easily Fit Turbo Trainer Tire? | Btwin Inride 500 | Decathlon #inride500 - YouTube