ARISUN SCALE KNIGHT TIRE 20x4.0 BK WIRE/60 E50

Built for riders who want speed, stability, and all‑terrain confidence, this 20×4.0 tire delivers a fast‑rolling feel without sacrificing grip. Wide alternating rectangular knobs bite into loose surfaces, while deep channels between them shed water and debris to keep you planted on pavement, gravel, or dirt. Interior siping adds extra traction when conditions get slick, giving you a tire that feels sure‑footed no matter where you point your front wheel.

With an E50 rating, this tire is certified for e‑bikes up to 50 kph and meets the EU’s demanding ECE‑R75 standard—meaning it’s built to handle higher speeds, heavier loads, and tougher terrain. If you want a fat‑tire option that’s rugged, versatile, and ready for adventure, this one checks every box.

📊 Product Specs

Style: Standard Size: 20 × 4.0 ISO: 406 Bead: Wire Tread / Sidewall: Black / Black PSI: 30 TPI: 60 Features: E50 (E‑Bike 50 kph certified) Reflective Sidewall: No E‑Bike Rating: E50 Tread Style: Smooth with wide rectangular knobs and deep channels