Knurled shoulders, K-Shield belting and deep siping make this the go to trekking/urban tire 3mm K-Shield belting beneath the tread surface for improved longevity and puncture protection Reflective sidewall accents from improved night time safety SRC - Standard Rubber Compound, combines the best attributes of low rolling resistance, extreme durability and tread longevity REF - Reflective sidewall striping or hotpatch to aid in low light visibility KS+ - Increased thickness of the K-Shield to 5mm to create a the best balance of flat proof and maintaining great ride quality EBIKE50 - has achieved a passing rating for use with E-Bikes up to 50kph and is ECE-R75 approved *Please note that EBike rated tires also can be used with non-Ebikes and are generally more durable than standard tires Standard 700x50 622 Wire Belted Bk/Blk 80 60 REF/SRC/KS+/EBIKE50 YesUPC/EAN/GTIN: 047853632200