Aventon Level.4 ADV Step-Through Commuter Ebike

🏆 Aventon Top Shop 2025 | Aventon Signature Dealer | Huntington Beach, CA

Price includes professional assembly and a complimentary 90-day tune-up — backed by our Quality Assurance Guarantee.

View full specs & colors on Aventon.com →

The Level.4 ADV Step-Through is Aventon's most advanced commuter ebike — combining effortless step-through access with a powerful mid-drive motor, 110-mile range, and next-level smart features including Autoshift and E-Shift. Built for riders who demand the absolute best for their daily ride in and around Huntington Beach.

You're not buying from a warehouse. HB Electric is an authorized Aventon Signature Dealer and Top Shop 2025 on Main Street in Huntington Beach — every Level.4 ADV is professionally assembled, inspected, and ready to ride before it leaves our shop.

Key Specs

• Motor: Aventon Ultro S Mid-Drive, 750W Peak, 100Nm torque
• Battery: 36V, 20Ah, 800Wh (Samsung 21700 58E cells), removable
• Range: Up to 110 miles
• Weight: 61 lbs | Weight Limit: 300 lbs
• Rider Height: Regular 4'11"–5'7" | Large 5'7"–6'1"
• Class: Class 1 (convertible to Class 2 and/or Class 3)
• Frame: 6061 Aluminum Step-Through
• Fork: 100mm Travel, Adjustable Coil Spring with Preload & Lockout, 15x100mm Thru Axle
• Tires: Kenda K1052, 27.5"x2.2"
• Brakes: Tektro HD-M3120 2-Piston Hydraulic Disc, 180mm rotors
• Drivetrain: Shimano Cues 10-Speed, E-Shifter, 11-39T cassette
• Seatpost: Aventon Suspension Post, 50mm travel
• Smart Features: 4G/GPS, E-lock, Ride Tune, Autoshift, E-Shift, Uphill Start Assist, Hold Mode, unusual activity detection, remote notification
• Included: Rear rack, fenders, integrated front & rear lights
• Water Resistance: Bike IPX6 / Motor IP67
• Safety: UL 2849 (ebike) & UL 2271 (battery) certified

Why Buy from HB Electric in Huntington Beach?

• ✅ Aventon Top Shop 2025 — recognized among Aventon's top dealers nationwide
• ✅ Aventon Signature Dealer — full lineup, expert staff, factory-authorized service
• ✅ Professional Assembly — every bolt torqued, every brake dialed before you ride
• ✅ Free 90-Day Tune-Up — bring it back after break-in, we'll dial it in for free
• ✅ Concierge Warranty Service — if anything goes wrong, we handle all claims with Aventon directly
• ✅ 10% Off Accessories for Life — helmets, locks, racks, and more, with free installation
• 📍 In Stock in Huntington Beach — test ride before you buy at 326 Main St, open daily 11am–6pm

💡 Have questions before you buy? Check out our FAQ — we cover range, charging, warranty, California e-bike laws, and more.

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