The E-Eco Tad B1 SX Electric Assist Tadpole is engineered around a proven Bafang B1 electric propulsion system featuring a 350-watt pedal-assist rear-drive motor paired with a 48V / 10.5Ah lithium-ion battery pack, delivering smooth assist and speeds of up to 15 mph. For complete peace of mind, every trike is ACT Lab tested to UL 2849, UL 2271, and CPSC standards, ensuring the highest level of safety and compliance.This is our most affordable pedal-assist tadpole trike—but “affordable” doesn’t mean “basic.” The E-Eco Tad B1 SX is equipped with rider-focused features such as a fully adjustable mesh-back saddle with a padded bottom, offering exceptional comfort and ventilation on long outings. Multiple bottle-mount locations on both the seat frame and handlebars provide generous hydration capacity for extended rides.Built for reliability, comfort, and value, the E-Eco Tad B1 SX is the perfect entry into electric-assist recumbent triking.

• 15 mph / 48 volt / 350 watt pedal-assist motor
• 48V / 10.5Ah lithium-ion frame-mount battery with Provision to mount secondary "swap" battery
• ACT Lab tested to UL 2849 & UL 2271 standards
• Class 2 with five levels of pedal assist and tumb throttle control
• Bottom bracket with integrated torque and cadence sensor
• Bluetooth connectability with smart phone app
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• Wheel Base: 37.5" (95cm)
• Overall Length: 70.5 - 78.75" (179 - 200cm)
• Width: 31" (79cm)
• Seat Height: 15 - 17" (38-43cm)
• Bottom Bracket Height: 13.75 - 14.25" (35-36cm)
• Weight: 68 lbs
• Weight Limit: 300 lbs
• X-Seam: 30 - 52" (76-132cm)
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• Average Speed*: 13 mph
• Range: Eco PAS, mostly pedaling 42–48 mi / Throttle-only, 23–28 mi
• * Your results may vary
• Tests based on rider and gear of 165lbs, an altitude of 800ft and flat paved surface