The Challenge Gravel Grinder bike tire is perfect for all-around gravel and adventure use. With a fast-rolling diamond tread pattern and outer knobs that only engage when the ground becomes soft or muddy, or when you slide around corners, this tire offers optimal grip and control. Made of durable nylon, it's suitable for gravel bikes. With a maximum pressure of 75 PSI (5.2 bar) and a 28-inch tire size, this folding tire provides a comfortable and stable ride. The tire has a TPI of 120 and is tubeless compatible. With a tire width of 38 and an ETRTO tire size of 38-622, this black tire is a perfect fit for any bike. Product specifications:

• Article number: 02004
• EAN: 8855627020045
• Brands: Challenge
• Model: Gravel Grinder
• Material: Nylon
• Bicycle type: Gravel bike
• Maximum Pressure (PSI): 75
• Maximum pressure (Bar): 5.2
• Tire Size (Inch): 28
• Tire type: Folding tire
• TPI: 120
• Segment: Gravel
• Tire size (French): 700x38C
• Tubeless: Yes
• Bandwidth: 38
• Inner or outer tire: Outer tire
• (ETRTO) Tire size: 38 - 622
• Color: Black