40/41/420 Chain Sprocket 48 Tooth with 1" Bore 1/4 Keyway Go Kart Sprocket Hub Replacement for Predator 212cc 196cc Go Cart Mini Bike Powersports Parts

This 420 chain sprocket hub is specifically designed for wide fitment, featuring a 1" bore and 1/4" keyway that makes it compatible with most Predator 212cc, 196cc, and 6.5hp mini bikes, go karts, carts, dune buggies, and drift trikes, meeting the needs of various small off-road and recreational vehicle owners. Crafted from high-quality steel material, the sprocket hub boasts excellent structural integrity—solid and durable, able to withstand the mechanical stress and wear during regular use, ensuring long-term reliability and reducing the need for frequent replacements. It is important to note that this go kart sprocket is an 8-hole, 48-tooth model intended for use with #40/#41/#420 size chains; to guarantee proper fit, users must check if the center hole diameter and mounting hole distance of their existing sprocket match this product’s specifications, as mismatched dimensions will result in incompatibility. In terms of detailed sizing, the hub has an outer diameter of 4", a bore diameter of 1", and an axle key/keyway of 1/4"; the sprocket itself is designed for #420 chains with 48 teeth, and its additional dimensions include a mounting hole distance (center to center, bolt hole circle) of 90mm (3.54 inches), a center hole diameter of 54mm (2.13 inches), an overall diameter of 197mm (7.76 inches), a mounting hole diameter of 10mm (0.39 inches) (with 8 such holes), and a thickness of 6mm (0.236 inches), providing precise measurements for users to verify compatibility. The comprehensive package includes all necessary components for installation: 1 x Sprocket Hub, 1 x 420-48T Sprocket, 1 x Keyway, 4 x Screws, and 4 x Nuts, eliminating the hassle of purchasing additional parts separately and streamlining the installation process for both DIY enthusiasts and professional mechanics, ensuring that users can quickly upgrade or replace their sprocket system to restore or enhance their vehicle’s performance.