SKU: 23956894819

HKM-387731 2000W Dual Drive Electric Mountain Bike with Hydraulic Brakes and Fat Tires, 48V 20Ah Battery, 21-Speed System

Sale price$585.00 Regular price$650.00
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 8 - Aug 13

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Description

HKM-387731 2000W Dual Drive Electric Mountain Bike with Hydraulic Brakes and Fat Tires, 48V 20Ah Battery, 21-Speed SystemIntroducing the HKM 387731 Electric Mountain Bike, a powerful and versatile mode of transportation designed for outdoor enthusiasts and those seeking adventure. With a robust 2000W dual drive system, this bike offers reliable performance and an exhilarating riding experience. Engineered with a 48V 20Ah lithium battery, it provides an impressive range, allowing you to explore distances between 31 to 60 km on a single charge. The bike features a 21

Introducing the HKM-387731 Electric Mountain Bike, a powerful and versatile mode of transportation designed for outdoor enthusiasts and those seeking adventure. With a robust 2000W dual drive system, this bike offers reliable performance and an exhilarating riding experience.

Engineered with a 48V 20Ah lithium battery, it provides an impressive range, allowing you to explore distances between 31 to 60 km on a single charge. The bike features a 21-speed system, ensuring you can tackle various terrains with ease, whether you're climbing hills or cruising on flat surfaces.

The HKM-387731 is built with a durable aluminum alloy frame that combines strength and lightweight design. Equipped with 26-inch fat tires measuring 26*4 inches, it delivers exceptional traction and stability, ideal for riding over rough paths or sandy landscapes. The rear hub motor not only enhances the bike's power but also contributes to its seamless maneuverability.

Safety is paramount, and the hydraulic disc braking system ensures reliable stopping power in all conditions. With a maximum speed ranging from 30 to 50 km/h, you can enjoy a thrilling ride while feeling confident in your control. The bike can accommodate a maximum load of up to 150 kg, making it suitable for various riders and gear.

For added convenience, the HKM-387731 features an LCD display that keeps you informed about your speed, battery life, and other essential metrics at a glance. The charging time of 6 to 8 hours ensures you’ll be ready to hit the trails again in no time.

This electric mountain bike is not just a means of transport; it's an invitation to explore the great outdoors, travel at your own pace, and enjoy the freedom of cycling. Discover new paths and create unforgettable memories with the HKM-387731.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 23956894819

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4.9 ★★★★★
Based on 6 reviews
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Product Reviews
W
Verified Purchase
WN
Grantham, US
★★★★★ 5
Been doing great since 2020
Used this to replace the charging solenoid on my diesel motorhome. Originally used a White-Rodgers OEM relay and it only lasted about 18 months. This has been going strong since 2020 and I use my motorhome about 10 months out of the year with lots of miles.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 2, 2024
J
Verified Purchase
Jason Vorbeck
Louisville, US
★★★★★ 1
Buy something better
This relay has experienced failure again after just a couple of months of use. It's not the mag coil that fails but rather the contacts are of such low quality that they corrode beyond their ability to conduct power, and fast. I have had to change two of these so far and am on the third one. The seller will ship replacements but who wants to keep replacing them? I have to travel in my RV with a spare. This relay has never been exposed to the elements. It's safely mounted inside a sealed bay. Be aware of any brands that look like this, they are all the same.
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Reviewed in the United States on November 15, 2025
D
Verified Purchase
Dave Kulina
Waukegan, US
★★★★★ 5
Works great
I added extra batteries to run a truck camper without killing my main battery and this works great. Simple to install and i have no had any problems in the pay few months and i use it every single day
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Reviewed in the United States on April 18, 2021
A
Verified Purchase
Amazon Customer
Carnegie, US
★★★★★ 5
Installed in my RV.
This product works well. It is somewhat difficult to mount. The contact points are a little too close together. These deficiencies are understandable given its low cost and small size.
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Reviewed in the United States on January 18, 2021
B
Verified Purchase
Bret Jackson
Carnegie, US
★★★★★ 5
Best main wire for price
Size: 25 FT, Style: 0 (1/0) AWG RED
Good main wire and is accurate size and length
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Reviewed in the United States on May 18, 2026

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