Michelin Wild XC Performance Tire - 29 x 2.25 Tubeless Folding BLK Performance Line GUM-X HD Protection E-BikeMichelin Wild XC Performance Tire 29 x 2. 25 Tubeless Folding Black Performance Line GUM X HD Protection E Bike. The Wild XC Performance tire provides everyday confidence with inspiring grip. Maximum grip on soft and mixed terrain thanks to the wide spaced studs and Gum X technology Light and resistant thanks to the 3x60 TPI casing with puncture protection provided by the high density fiber layer under the tread The XC tire designed for downcountry