Kwick Journey K1129 27.5´´ x 38 Rigid MTB Tyre.Size:27.5´´ / 38.Always on the road and no time for flats From bike path to city streets, townline to town square, there is no route that you cannot take with this fast rolling and reliable trekking tire.The Kwick Journey was designed for all the roads your journey will lead you on.Built to last with a reinforced sidewall and K-Shield or K-Shield Plus protection and approved for use up to 50km/h, this tire is truly made for your journey.Features:- K-Shield and enhanced K-Shield Plus options available for reliable puncture protection.- Deep sipes for water channeling in wet conditions and knurled shoulder knobs for cornering confidence.- Be seen.- Reflective tape across sidewalls for better nighttime visibility.- E-bike ready -This tire was certified according to ECE-R75 norm and is approved for use on e-bikes up to 50 km/h.Tire Technology:Standard Rubber Compound (Src):- Standard Rubber Compound combines the best attributes of low rolling resistance, high durability and tread longevity into one universal package that benefits riders from daily commuting to weekend touring.K-SHIELD + (KS+):- We increased the thickness of the K-Shield to 5mm to create a the best balance of flat proof and maintaining great ride quality.For anyone looking to go that extra mile.E-BIKE 50KPH (E-50):- Indicates that tire has passed the ECE-R75 E-Bike certification for E-Bikes with speeds up to 50 kilometers (30 miles) per hour.K SHIELD (KS):- A 3mm layer of light, flexible rubber containing aramid and ceramic particles inside the tire under the tread area only.Designed to prevent punctures and increase tire life.