Ultraverse Ultraverse Bike Inner Tube for 27.5 X 1.75/1.95/2.10/2.125 inch Bicycle Tire with Schrader Valve – Rubber Tubes for Mountain and Trail, Cruisers, MTB, Gravel, Enduro, Downhill, City Bikes - 2 Pack

Complete Kit - The bike tube set contains two butyl rubber tubes and two tire levers for a fast and easy replacement process Reliable Tested Material – Resistant to puncture, thicker walls retain air longer and prevent high pressure blow outs thanks to mould cured rubber Schrader Auto Valve – The reinforced rubber base and extremely robust 37mm Schrader AV Valve prevents shearing off All 27.5in Bike Types Covered - User-friendly tube system is suitable for bike sizes from road, trail bicycles to mountain bikes and beach cruisers Our products are backed by a 100% satisfaction guarantee. If you have any concerns, contact us through Amazon's messaging centre and we'll do whatever it takes to make sure your experience meets or exceeds expectations!