【Wide Compatibility】3.75-19 inner tubes fit 3.50-19,3.50-19,3.50/4.00-19; 3.75/4.00×19,4.00-19; 110/100-19,110/90-19,110/80-19,110/70-19 tire CB125 K750ƨ KZ400 GN400 BMW R71/R61
【Heavy-Duty, Leak-Resistant】These 3.75-19 inner tubes use premium butyl rubber, composition plus thickened sidewalls makes them puncture and explosion-resistant. They have excellent air retention/hold air for up to 90 days
【Durable & Leak-resistant Valves】TR4 straight valves are fitted into thick valve seats for enhanced durability. Pure copper dust caps have built-in rubber seals that keep out dust and water can function as a tool to remove the valve core
【Better Shock Absorption】110/90-19 inner tube uses Butyl adds to more stretch, shock absorption, impact and puncture resistance for a smoother ride
【Package Includes】2 Pcs 3.75-19 Inner tubes with TR4 straight valves + 2 x Red Stem Valve Caps + 2 x Black Stem Valve Caps + 1 x Valve Core Wrench + 5 x Brass Valve Stem Cores