Size: 428 Chain, The 104 links include 51 internal links and 51 external links, Master link can be added or removed according to your needs, with extra connect link 428 Chain for 110cc 125cc 150cc Pit Dirt Bike 4 Wheeler ATV Quad 4-Stroke CRF50 XR50 TTR 225 Grom 50cc 70cc 90cc Tao Tao DB17 DB27 Coolster Apollo RFZ Blazer Sunl Vitacci Go Kart Motorcycle Package includes: 1 x 428 Chain 104 Link. 10 Master Link Easy to install, can be used to extend the existing 428 chain, using high-quality materials, fine processing, precision processing, strong, anti-oxidation, durable. Professional after-sales: Please check whether the chain size of your motorcycle is correct before purchasing