Description
Day6 Bicycles must be shipped to a local bike shop for assembly.
Please call your local bike shop for pricing.
Ride farther, climb stronger, and sit in comfort you won’t find on any other e-bike. The Ultra750 combines serious mid-drive power with Day 6’s legendary comfort design—featuring a supportive seat, ergonomic backrest, and easy step-through frame. Whether you’re cruising city streets or tackling hilly trails, this e-bike delivers smooth performance, long range, and a ride so comfortable you’ll want to stay on it all day.
Key Features
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750 W Bafang mid-drive motor
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Battery: 48 V / 14 Ah (or 17.5 Ah for larger sizes)
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Range: 40–45 miles (no pedaling, ~17 mph on flat terrain)
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Charge time: ~6 hours
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Frame: 6061 aluminum
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Tires: Kenda Kwik Drumlin 26 × 2.2 (great for pavement & crushed rock)
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Brakes: Mechanical disc, 180 mm rotors
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Gearing: 8-speed MicroShift, Shimano 11-32 rear cog
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Weight capacity: 250 lb standard / up to 300 lb with seat struts
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Bike weight: ~51 lb
Options & Variants
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Sizes: Small, Large, Extra Large (plus HD versions)
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Colors: Red Raspberry, Nautical Blue, Metallic Yellow
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Motor / Battery Combos:
  • Bafang 750W + 48V/14Ah
  • Bafang + 48V/17.5Ah
  • Bafang + 52V/20Ah
  • Photon + 48V/14Ah or 17.5Ah
  • Photon + 52V/20Ah
  • X1 Gen4 (52V/20Ah) for higher outputs
Highlights / Selling Points
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Upgraded drivetrain (Prime3 Box 9, 12-50 T cassette) for steeper hill capability
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Proprietary comfort design:
  • Contour seat with memory foam
  • Ergonomic backrest with lumbar support
  • “U First” frame for easy mounting/dismounting
  • EZ-reach handlebars to reduce leaning -
Battery locks securely to the down tube with key
Reviews
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