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The 2025 Specialized Turbo Tero 4.0 Step-Through Electric Trekking Bike is an adventure-ready suspension electric bike. It's a go-anywhere, over anything, with everything vehicle. The Step-Through frame makes it easier to get on and off the bike, especially when it is fully loaded.

The Tero 4.0 comes with a Turbo Full Power 2.0 Motor and 710 Wh Battery effectively quadruple your own power, cranking out ample wattage to make short work of the steepest climbs and providing enough extra muscle to let you carry a mountain of adventure gear, groceries or kids without breaking a sweat.

The Tero has mountain Bike DNA. It comes with aggressive but smooth rolling 29” wheels with 2.3” Ground Control tyres which offer ample traction in every situation. SRAM disc brakes deliver substantial braking bite, 110 mm of front suspension travel smooths the trail, and a dropper seatpost is there for when you need to really get down in technical off-road situations.

This bike is perfect for

Looking for a commuter you can take touring? A touring bike that can haul cargo? This is it. In a word, the Tero is unstoppable. Off-road capable wheels and tyres, powerful hydraulic disc brakes, and a full-on suspension fork can transform every ride into an adventure, whether you’re on dirt roads or cruising through the concrete jungle.

Key Features

• Specialized app and MasterMind - Specialized app allows you to tailor Tero’s power output levels to your desired preference—all three standard power modes can be almost infinitely adjusted to suit your power and range needs. MasterMind’s MicroTune function can adjust power output levels in 10% increments so that you can tune the range to suit your needs.
• Turbo System Lock - Use the Specialized app to disable your bike’s motor and activate the motion sensor alarm. Once locked, the motor cannot be enabled again except by the owner.
• Mudguard, Rack, and Kickstand mounts.
• Rated to pull a thru-axle trailer. Child seat compatible.
• Long-Range - With a ride-anywhere range, go up to 86 miles (140 km) or 6.5 hours on a single charge (eco mode).