Smooth, minimal tread tire for city riding, bike paths or commuting. Continuous center ridge for added speed and easy pedaling. Afforability and longevity make this tire a no brainer for daily commuters SRC - Standard Rubber Compound, combines the best attributes of low rolling resistance, extreme durability and tread longevity into one universal package that benefits riders of all disciplines KS - K Shield, A layer of aramid and ceramic particles inside the tire under the tread area only Kenda`s entry level belting EBIKE25 - has achieved a passing rating for use with E-Bikes up to 25kph and is ECE-R75 approved Standard 27x1-1/4 630 Wire Belted Bk/Bsk 90 500 60 SRC/KS/EBIKE25 YesUPC/EAN/GTIN: 047853628845