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Heybike YM1 Electric Bike for Adults, 27.5” vs TST Electric Bike for Adults 1500W Peak 20" Fat

Updated July 2026 — Heybike YM1 Electric Bike for Adults, 27.5” wins on build and comfort, TST Electric Bike for Adults 1500W Peak 20" Fat wins on battery and range.

The TST Electric Bike offers better value with superior range and off-road capabilities, while the Heybike YM1 excels in build quality and comfort.

Why Heybike YM1 Electric Bike for Adults, 27.5” is better

Price

Heybike is more expensive

Build Quality

Heybike has a high-carbon steel frame

Comfort

Heybike offers a more comfortable ride

Why TST Electric Bike for Adults 1500W Peak 20" Fat is better

Range

TST provides over 60 miles per charge

Motor Power

TST has a 1500W peak motor

Versatility

TST is designed for all-terrain use

Overall score

Heybike YM1 Electric Bike for Adults, 27.5”
75
TST Electric Bike for Adults 1500W Peak 20" Fat
85

Specifications

SpecHeybike YM1 Electric Bike for Adults, 27.5”TST Electric Bike for Adults 1500W Peak 20" Fat
Motor Power1200W1500W
Battery Capacity480Wh48V 15AH
Max Speed28 mph28 mph
Weightunknownunknown
Warranty12 months6 months

Dimension comparison

Heybike YM1 Electric Bike for Adults, 27.5”TST Electric Bike for Adults 1500W Peak 20" Fat

Price Comparison

The Heybike YM1 Electric Bike for Adults is priced at $809.99, while the TST Electric Bike for Adults is available for $599.99, making the TST model about 26% cheaper. This significant price difference may appeal to budget-conscious buyers looking for a reliable electric bike without compromising too much on performance. However, the higher price of the Heybike YM1 could reflect better build quality and additional features that justify its cost. When considering budget, the TST offers a more accessible entry point into the electric bike market.

Performance Capabilities

In terms of performance, the TST Electric Bike boasts a powerful 1500W peak motor that allows it to conquer steep terrains with a torque of 90N.M. This capability is ideal for off-road adventures, making it a more suitable option for those who plan to ride in rugged environments. The Heybike YM1, on the other hand, has a 1200W motor that still delivers impressive speed, reaching up to 28 mph. While both bikes can reach the same maximum speed, the TST's motor provides greater torque for climbing and off-road applications, which could be crucial for adventurous riders.

Battery Life and Range

The TST Electric Bike has a significant advantage when it comes to battery life, featuring a 48V/15AH removable battery that provides a range of over 60 miles per charge. This is notably longer than the Heybike YM1's 480Wh battery, which offers a range of 31-50 miles. The TST's battery also charges fully in about 5 hours, similar to the Heybike's charging time. This means that for longer rides and less frequent charging, the TST is the clear winner, making it an excellent option for those who prioritize range in their electric biking experience.

Design and Build Quality

The Heybike YM1 features a 27.5-inch frame made from high-carbon steel, which enhances its durability and strength. It also comes with puncture-resistant tires and a high-strength front suspension fork that improves ride comfort. In contrast, the TST Electric Bike is designed with 20-inch fat tires that provide excellent grip across various terrains, suitable for both city and rugged trails. While the Heybike focuses on a more traditional mountain bike design, the TST’s fat tire approach offers versatility and stability, especially for off-road conditions.

Riding Modes

The riding modes available on both bikes cater to different preferences and riding conditions. The Heybike YM1 includes four modes: PAS Mode for pedal assistance, Pure Electric Mode for throttle-only riding, a combination of both, and a standard Pedal Mode. This variety allows riders to customize their experience based on their needs. The TST Electric Bike also offers multiple riding modes, including pure electric, electric assist, and pedal modes, which enhance its adaptability across various terrains. Both bikes provide flexibility, but the TST might appeal more to those seeking a robust off-road experience.

Safety Features

Safety is a crucial consideration for any electric bike purchase. The Heybike YM1 is equipped with dual disc brakes and a bright LED headlight, ensuring visibility and stopping power. It also includes features like a smart LCD display and sturdy fenders. The TST Electric Bike matches this with dual mechanical disc brakes and 360° LED lighting for enhanced visibility at night. Additionally, its full suspension system absorbs bumps well, contributing to a safer ride on uneven surfaces. Both bikes prioritize safety, but the TST may offer better handling due to its enhanced traction and braking system.

Customer Support and Warranty

The Heybike YM1 provides a 12-month warranty and comes with user-friendly assembly videos, making it accessible for new buyers. Similarly, the TST Electric Bike offers a 6-month comprehensive warranty, emphasizing customer satisfaction. While the Heybike’s longer warranty period may indicate confidence in its durability, TST’s commitment to customer support is commendable as well. Buyers should consider the level of after-sales service they value when making their decision.

Which should you buy?

Choosing between the Heybike YM1 and the TST Electric Bike ultimately depends on your riding needs and budget. If you prioritize range, off-road capability, and a lower price, the TST is a compelling choice at $599.99. However, if you prefer a bike designed for comfort, build quality, and a slightly higher top speed, the Heybike YM1 at $809.99 may be worth the investment. Each bike has its strengths, so your decision should align with your specific riding style and requirements.