The Peak bicycle tire is the perfect choice for mountain biking. With a round profile, narrow tread and smooth carcass, it offers low rolling resistance and excellent traction and braking performance. The multi-dimensional A/T-compound dynamics ensure optimum grip on different surfaces. Item number: Gr.001.57.622.v003.r EAN: 810432030458 Brand: Goodyear Model: Peak Cycling type: mountain bike Net weight (G): 730 Tire size (inch): 29x2.25 Tape type: folding tape TPI: 120 Tape diameter Inch: 29 Color name: black Tubeless spot: yes Passing tread: 57 inside or to tire: outer tire (Etro) Tire size: 57 - 622 The Peak bicycle tire is a functional wire tire without inner tube. It is ready tubeless and uses a butyl-coated bead to seal the tire against the rim. The rim is sealed with non-porous tape and the tire carcass requires a sealant to retain air.