Chain #35-110 (Part #10245) Fits Burromax TT1600R electric mini bike model year 2023 and later. Chain includes master link. This chain is heavy duty, has an 9.5mm (3/8") center to center spacing between each link pin, a 3.58mm (5/32") spacing between inner plates, and is approximately 13.3mm (1/2") wide. This chain has 110 links.