Description: Material: Bike Rear Sprocket is crafted from aluminum alloy, this chain sprocket is resistance to wear and tear, ensures long term use Perfectly Fit: 420 Chain 42 Tooth bike sprocket is designed for Predator 212cc 196cc 420cc 389cc 301cc 79cc 98cc models, this split sprocket offers a perfectly fit that enhances the efficiency of your vehicle's drive system Go Kart Parts: This Go Kart Split Sprocket is easy to replace, mini bike go kart accessories Easy Installation: The split design do not need to remove the axle on your mini bike, allowing you to quickly upgrade or replace your existing component High Performance Parts: Universal Split Sprocket fits most go-karts and mini bikes, this Split sprocket provides reliable performance across different terrains and conditions Specification: Material: Aluminum  Size Chart: Diameter: 172mm/6.77inch Distance between two holes: 134mm/5.28inch Package Includes: 1 Split Sprocket Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.