Given the phrasing, it is almost certainly not a mass-produced retail toy. The term "Custom" suggests it is a unique, one-of-a-kind creation built by an individual artist or for a specific collector.
Are there specific associated with the Y111 designation? Share public link Katya Y111 Custom 21
We had the opportunity to test a configured for “Canyon Carving” with the 6-speed manual and Stage 2 tuning. Here are the verified numbers: Given the phrasing, it is almost certainly not
