Q: What brands of tires had successfully mounted onto a N1s? A: Owners reported these tires to be “compatible”, i.e. tested on their NIU: For the record, these are the required sizes Front: 90/90-12 Rim: 2.15×12 Back: 120/70-12 Rim: 3.50×12 Recommended for bad weather: Heidenau K58 mod. Snowtex [have your tire listed here] If you’ve mounted any other brand, feel free to share your experience in the comments (which then will be added to this FAQ). Thanks! Continue reading Alternative tires