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Brand: UrtopiaElectric Bikes

Urtopia Carbon 1 Step-Thru E-Bike

SKU BC1ST-03-BU-M-US
$2,099.00$2,499.00Save $400.00
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ColorGlacier Blue
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Product information

Built to help you choose with confidence

Explore the key specifications, fit guidance, delivery information, warranty coverage and ownership details for this model. Need help choosing a configuration? Our specialists are here to help.

Carbon Comfort in an Easy Step-Through Platform

The Urtopia Carbon 1 Step-Thru brings the Carbon 1 platform's lightweight construction, long-range battery system, torque sensor, and connected Smartbar into a low-step frame designed for easier mounting and a more relaxed everyday riding experience.

Current Carbon 1 Step-Thru Highlights

  • 41 lb complete bike weight: Current Urtopia production specification.
  • Full carbon-fiber frame and fork: Lightweight construction with a low 19" standover.
  • 350W rated / 500W peak rear-hub motor: Current U.S. specification.
  • 45 Nm maximum torque: Delivered through torque-sensing pedal assist.
  • 36V 9.8Ah / 352.8Wh removable Samsung battery: UL 2271 certified.
  • Up to 81 miles of pedal-assist range: Based on Urtopia's ECO-mode test with a 180 lb rider on flat roads.
  • 2.5-hour fast charging: 36V 4A charger.
  • Shimano ACERA 8-speed drivetrain: Versatile gearing for commuting and mixed-surface riding.
  • TEKTRO 2-piston hydraulic disc brakes: Current manufacturer specification.
  • Smartbar: On-board navigation, fingerprint unlock, GPS tracking, movement alarm, electronic fence, Bluetooth, and app connectivity.
  • UL 2849: Current manufacturer-listed e-bike system certification.

Key Specifications

  • Bike Weight: Approximately 41 lbs complete
  • Net Weight: Approximately 38 lbs with battery / 33 lbs without battery, excluding accessories
  • Motor: 350W rated / 500W peak rear hub
  • Torque: 45 Nm
  • Battery: 36V 9.8Ah / 352.8Wh Samsung Li-ion, removable
  • Published Range: Up to 81 miles
  • Speed: 20 MPH default / up to 25 MPH manufacturer unlock where permitted
  • Throttle: None
  • Pedal Assist: 4 levels with torque sensor
  • Payload Limit: 240 lbs
  • Recommended Rider Height: Approximately 5'1"–6'1"; Urtopia's current regular fit guidance centers on 5'1"–5'9"
  • Tires: Kenda 700C × 40mm, up to 45mm compatible
  • Brakes: TEKTRO 2-piston hydraulic disc
  • Drivetrain: Shimano ACERA 8-speed, 11–40T cassette
  • Water Resistance: IP65

Best For

Choose the Carbon 1 Step-Thru if you want the Carbon 1 platform's lightweight feel and connected technology with easier step-through access, an upright-friendly fit, and a removable battery for indoor charging.

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  • 5 stars: 12 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
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Emilky Thompson
Perfect Fit for Me and My Mom

I originally bought the Carbon 1 ST for myself, but my mom tried it and fell in love instantly. The step-through frame makes it easy for her to get on and off, and at only 36lbs she can lift it into her SUV by herself.

We now share it for weekend rides along the Santa Monica beach path. She says it’s the first time she’s felt confident riding a bike in 20 years. Best purchase we’ve made together.

H
Hiroshi Tanaka
New Favorite Commuter

I originally bought this for my wife’s commute, but she ended up loving it more than I expected. The lightweight frame makes it easy for her to carry it up the stairs, and the step thru design works perfectly even when she wears skirts. Now we take short weekend rides together along the beach. A small but meaningful upgrade to our routine.

K
Karen Lee
Everyday Errands, Elevated

I use my 1ST for everything, from commuting to grocery shopping. The step-thru frame makes it so easy to hop on and off, and the design always gets compliments. It’s practical yet so elegant. I’ve replaced half my car trips with it!

M
Mark Henderson
What great customer service

What great customer service. I love the Carbon 1 Step Through and each time I email support I get a helpful reply within a few hours. It makes me realize I not only got a great bike but also a good company.

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Linda J.
Perfect Fit for Everyday Life

I’ve been riding my Urtopia Carbon 1 Step-Thru for about two months now, and it has completely changed my daily routine. I use it for short commutes, grocery runs, and even casual rides with my husband. What I love most is how easy it is to get on and off the bike, no more struggling thanks to the step-thru frame. The lightweight carbon design also makes it manageable for me to carry up the steps to our porch. Urtopia’s team has been responsive whenever I had questions, which makes me feel very confident about my purchase.

R
Ron Justice
Lighter and Easier Than Any Bike I’ve Owned

I switched from a heavy folding e-bike to the Carbon 1 Step-Thru, and the difference is incredible. I’m in my mid-60s, and lifting my old bike into the car was a real struggle. The Carbon is so much lighter, and the step-thru design makes it effortless to get on and off. I’ve already done several weekend rides into the mountains, and it feels like I’ve gotten a piece of my freedom back.

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Jon Coy
Awesome bike!

I hauled the Carbon 1 Pro from Indiana to Florida and this picture is in the Biscayne National Park at the end of the Black Creek Trail near Miami,Florida The light weight makes it easy to ride and load onto the bike rack. The Carbon 1 Pro has over 3, 000 miles on it in the first 12 1/2 months, including an 83 mile venture around central Indiana this past Spring! This has been an awesome bike for someone who rode a standard hybrid bicycle over the previous 10 years!

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Marina
My dad uses it more than I do now

I bought this thinking it would mostly be mine. After a few weeks, my dad started borrowing it for short rides. The step-through frame made a difference for him. Now we sort of share it without planning to.

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Rebecca
My daughter loves it!

I bought this to ride around our community and explore the parks with my daughter. It’s so lightweight that I can lift it onto our SUV rack myself. She sits on her little bike and tries to catch me, it’s become our favorite evening activity. Also got a ton of compliments from other parents. Best impulse buy of the year.

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Melissa Grant
Weekend Adventures Made Easy

My husband and I take our 1ST Step-Thru bikes on weekend trips, and they’ve made exploring new trails effortless. The lightweight frame is easy to load onto our SUV, and the comfortable step-thru design means even my mom can hop on when she visits. It’s become part of our family routine.

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Karen
Family Rides Every Sunday

The Step-Thru model is so easy to hop on and off, even with my daughter’s seat attached. Every Sunday we ride together to the park, and it’s become our favorite bonding time. Light, stable, and super stylish, love it!

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Sarah
Perfect for My Commute!

I’ve been commuting on my Carbon 1 ST for three months now, and it’s been a total game changer. Light, smooth, and easy to lift into my apartment, exactly what I needed. The battery range is solid, and I love how it handles city traffic.