At DMG Motorsports, we present the Shinko 421 Series Front/Rear 3.50-10 51J Bias TT tire (SR421), a rugged, purpose-built mini bike tire engineered to handle a wide range of off-road terrain. Built with a tough nylon carcass and an aggressive dimpled knob tread, this bias-ply, tube-type tire is designed to deliver dependable traction whether you're carving through dirt, gravel, or mud. Its open tread design sheds debris quickly, keeping the tire clean and grippy even in sloppy conditions, making it a favorite choice for mini bike, scooter, and moped riders who demand a reliable trail tire. DOT approved for legal use, the SR421 is sized 3.50-10 with a 51J load/speed rating and fits both front and rear positions, giving riders flexibility when outfitting their machine. Pick up this Shinko SR421 from DMG Motorsports and get your mini bike ready for its next off-road adventure.

Features:

• Tough nylon carcass construction for durability on rough terrain
• Dimpled knob tread design provides reliable traction across varied terrains
• Open tread pattern cleans out well in muddy, sloppy conditions
• Bias-ply, tube-type (TT) construction
• DOT approved for on- and off-road legal use
• Fits both front and rear positions on mini bikes
• Size: 3.50-10 with 51J load/speed rating (max load approx. 430 lbs, max speed approx. 62 mph)
• Not intended for extended highway use - best suited for mini bike and trail applications

Fitment