Crown Gem E-CTRL is a versatile tire that excels in a variety of conditions and driving styles. The Crown Gem was engineered with a high-volume, rounded profile that makes the transition from top speed to cornering unmatched. The directional tread pattern with siped tread blocks provides ultimate driving and braking traction with comfort and cushioning that keeps you in control throughout the day.

ECE-R75 test mark for fast e-bikes (with E-Ctrl compound)

More about the Crown Gem : Vee Tire Co. Crown Gem 27.5+ & Apache Chief - YouTube
Vee Rubber Crown Gem // MTB Tire Review, Is It A Good Value? - YouTube
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