21 Sport



The Espin Sport was inspired by the forms of lightning bolts streaking across the sky. It comes in black and cobalt blue. Resembling a mountain bike, it’s perfect for aggressive riding styles and has become a top-selling e-bike thanks to its A+ performance and unbeatable price point. Top features include a 500W hub motor, a throttle, front suspension, and a range of up to 50 miles on a single charge.

Cobalt Blue
- +
In stock and ready to ship .

Full Throttle and Power

The Espin Sport comes built with low-speed throttle assist, leveling up daily commutes and cruises. Switching between the e-bike’s pedal assist and throttle modes takes just a second. Its Bafang motor, Zoom-manufactured hydraulic brakes, and Shimano Altus 1×8 setup make this e-bike even more powerful and convenient than many of its competitors within the same price range.

Max Comfort

The Espin Sport’s suspension fork complements the e-bike’s locking ergonomic rubber grips, and a big Selle Royale Freeway saddle maximizes comfort on long commutes. The Sport can also conquer trails and some off-road rides. Want to take on more rugged terrain?


This e-bike offers one of the smoothest rides on the market, thanks to its algorithm for gradual power output. Its 500W Bafang motor ensures strong, steady propulsion whether you’re commuting through city traffic or coasting along trails and up steep inclines.

Model Name
21 Sport
Top Speed
Class 2, up to 20mph
Up to 50 miles
Espin rear mounted geared hub, with 500 watts / 800 watt peak outage
Samsung Cells; Lithium-ion Battery 48 volts, 13.6 ah 653Wh
Charge Time
6 hours
Braking System
Zoom Dual Piston Hydraulic Disc Brake, Front/Rear w/180mm Rotor; Zoom levers with Integrated Motor Cutoff
Max Load
275 Lbs
Frame Material
6061 aerospace grade aluminum alloy
55 Lbs
Smart Technology
ESPIN Fixed Backlit LCD with Speed, Battery, Assist Level (1-5), Odometer
CST 27.5 x 2.10

Every Espin pedal-assist eBike comes with a 12-month warranty for all components and a 3-year warranty for the frame.

The warranty coverage only applies to the original registered owner of the Espin pedal-assist eBike and is not transferable. Warranty does not cover normal wear and tear, failures due to abuse, neglect, improper repairs, improper maintenance, modification or accidents.


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Espin is an electric bike startup focused on simplicity, efficiency, and sustainability.

Josh and Yina, the co-founders of Espin, come from a family of entrepreneurs who value creating products and services that create a positive impact in the world. After traveling extensively throughout Europe and Asia, they were inspired by the countries’ transportation frameworks, which led to the creation of Espin.

When they moved to San Francisco, they had every best intention that traditional bikes would be our commute. The city’s (in)famous hills had other intentions. Every climb… made it easier to take the bus. Every incline… it seemed simpler to call Uber. But that cost adds up, both in dollars — and in terms of the way they wanted to live.

An electric bike would make short order of steep hills. But the steep starting price was at least $5K. With their experience and connections in China and Taiwan, they knew they could do better. So they built their own. They made it modern, they focused on quality. It was affordable. And it was a joy to ride. When family and friends wanted in on all that… they built a few more.

But what started as a business… became something richer. Riding again felt good. Riding electric felt exhilarating!