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YVY K20 1500W Fat Tire Electric Bike

Price

Regular price: $1,131.95
Sale price: $1,131.95
Regular price

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US

Product variants

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7-day return request window

StreetRides coordinates warranty support

Ships from a U.S. warehouse

Overview

The YVY K20 is the middle K20 model, with a 1500W motor and 48V 20Ah battery published by Ridstar. Its page states a 20 mph locked maximum and a 33 mph unlocked maximum, plus 50 miles pure-electric and up to 75 miles pedal-assist range claims. It is YVY-branded, supplied through Ridstar.

Best For

Choose the K20 when the 48V 20Ah battery and its longer published range matter more than the Lite's simpler 20 mph specification. The real decision is not just power: a 33 mph unlocked claim can change legal classification and route access. The K20 Pro is for a buyer who specifically needs dual motors and accepts an even more demanding ownership profile.

Performance

Ridstar publishes a 1500W brushless motor, a 20 mph locked maximum, and a 33 mph unlocked maximum. The unlocked setting is not a casual feature: it can place the vehicle outside ordinary e-bike definitions and can restrict public-road, bike-lane, or trail use. Check the delivered label and local rules before operating beyond the locked configuration.

Battery

The published 48V 20Ah battery is larger than the Lite's 48V 15Ah pack. Ridstar states 50 miles in pure-electric mode and up to 75 miles with pedal assist. Those figures depend on riding conditions. Use the supplied compatible charger, keep charging supervised in a dry area, and inspect the battery case, contacts, and latch before use. Flat desert OHV parks near Phoenix and Las Vegas sit at the top of that band. Steep mountain trails near Denver and Salt Lake City sit at the bottom.

Safety & Certification

Ridstar's current K20 page does not publish a model-specific UL 2271 or UL 2849 certification claim, so StreetRides does not claim either. The crucial safety and compliance fact is the page's 20 mph locked and 33 mph unlocked speed statements. Do not treat the unlocked setting as a guarantee of public-road eligibility. Confirm applicable state and local classification, equipment, registration, licensing and trail-access requirements.

Assembly, Service & Ownership

Before the first ride, verify tire condition and pressure, wheel and handlebar fasteners, brake response, steering movement, lights, battery latch and charger condition. Begin at low speed in a clear area and learn braking before using a higher speed setting. StreetRides return terms apply. Keep your StreetRides order record for manufacturer-warranty support. Ridstar's direct-site policy is not the return policy for an order placed here.

Specifications

Published by Ridstar: 1500W brushless motor. 48V 20Ah battery. 20 mph locked and 33 mph unlocked maximum-speed claims. 50 miles pure-electric and up to 75 miles pedal-assist range claims. 20 by 4-inch puncture-resistant fat tires. Front and rear suspension. 5'4" to 6'2" recommended rider height. US warehouse stock was confirmed by Ridstar on August 14, 2026. Ridstar does not supply a carrier package weight or model-specific electrical certification.

Honest Verdict

The K20 earns its place when the larger 48V 20Ah battery is more useful than the Lite's smaller pack, and when you treat the 33 mph unlocked claim as a compliance question rather than a selling point. The product page's own review feedback calls out brakes and suspension as areas a buyer should inspect closely. If the route is governed by a 20 mph or ordinary e-bike rule, the Lite can be the cleaner starting point.

YVY K20 1500W Fat Tire Electric Bike

Overview
Specifications

STREETRIDES TAKE The battery-forward K20: 1500W, 48V 20Ah, and a 50-75 mile claim. The important comparison is the locked 20 mph setting versus the published 33 mph unlocked claim.

StreetRides Research Team

Last Reviewed Date: August 18, 2026

KEY ADVANTAGES

Why This Ride Stands Out

20 mph locked, 33 mph unlocked

Speed settings can change legal treatment and route access. Verify the delivered label and your local rules before riding.

48V 20Ah battery

Ridstar publishes 50 miles in pure-electric mode and up to 75 miles in pedal assist. Conditions determine actual range.

20 by 4-inch fat tires and suspension

The official page publishes puncture-resistant 20 by 4-inch tires and front and rear suspension. Inspect the system before every ride.

Compare your options

Choose the K20 configuration by battery, speed setting and real-world use

These are three supplier-confirmed US-stock YVY K20 configurations, not interchangeable upgrades. The Lite is the 1000W, 48V 15Ah, 20 mph claim option. The K20 adds 1500W and 48V 20Ah, with 20 mph locked and 33 mph unlocked claims. The Pro adds two 1000W motors, a 52V 40Ah total battery arrangement, and a 34 mph claim.

Why these products

All three are the exact YVY K20 models that Ridstar confirmed as in stock in its US warehouse. The comparison uses only manufacturer-published current configuration data and does not convert conditional range claims into guarantees.

StreetRides takeaway

Start with the route and compliance requirements. The Lite is the lower-output family choice. The K20's unlocked speed changes the legal conversation. The Pro is only for a deliberate dual-motor purpose with a clear plan for its higher power and speed.

Swipe to compare every ride

Choose the K20 configuration by battery, speed setting and real-world use
Comparison criterion	You're viewing YVY K20 Lite 1000W Fat Tire Electric Bike Regular price $954.95 Sale price $954.95 Regular price Unit price per Available Best for: the least aggressive K20 option for riders who want a 20 mph published maximum The restrained K20: 1000W, 48V 15Ah, 20 mph claim, and 30-50 mile published range. Choose it for the simpler K20 spec, not for the largest number. Think twice if: you need the K20's larger 48V 20Ah battery or the K20 Pro's dual-motor configuration View product details	YVY K20 1500W Fat Tire Electric Bike YVY K20 1500W Fat Tire Electric Bike Regular price $1,131.95 Sale price $1,131.95 Regular price Unit price per Available Best for: the middle K20 for riders who value the 48V 20Ah battery and understand the speed-setting implications The battery-forward K20: 1500W, 48V 20Ah, and a 50-75 mile claim. The important comparison is the locked 20 mph setting versus the published 33 mph unlocked claim. Think twice if: you want the Lite's 20 mph maximum claim or need the Pro's dual-motor configuration View product details	YVY K20 Pro 2000W Dual-Motor Fat Tire Electric Bike YVY K20 Pro 2000W Dual-Motor Fat Tire Electric Bike Regular price $1,679.95 Sale price $1,679.95 Regular price Unit price per Available Best for: the K20 family choice only for riders who specifically need a dual-motor configuration and can handle the compliance burden The dual-motor K20 for a deliberate purpose: 2000W total, 52V 40Ah arrangement, 34 mph claim and 75/180-mile supplier range claims. Not represented as road legal. Think twice if: your route requires ordinary e-bike treatment or the Lite/K20 already covers the actual need View product details
Power and published speed How does motor output and the published maximum differ?	1000W motor. 20 mph maximum speed claim Evidence Use the published setting and local rules, not a marketing label, to assess route suitability.	1500W motor. 20 mph locked and 33 mph unlocked maximum-speed claims Evidence Use the published setting and local rules, not a marketing label, to assess route suitability.	2000W total from two 1000W motors. 34 mph maximum-speed claim Evidence Use the published setting and local rules, not a marketing label, to assess route suitability.
Battery and range claim What battery arrangement and conditional range claim are published?	48V 15Ah battery. 30 miles throttle and up to 50 miles pedal-assist claim Evidence Range figures are supplier claims and change with speed, hills, rider and cargo weight, temperature, pressure and assist use.	48V 20Ah battery. 50 miles pure-electric and up to 75 miles pedal-assist claim Evidence Range figures are supplier claims and change with speed, hills, rider and cargo weight, temperature, pressure and assist use.	52V 40Ah total battery arrangement (two 20Ah batteries). 75-mile throttle and 180-mile assist claims Evidence Range figures are supplier claims and change with speed, hills, rider and cargo weight, temperature, pressure and assist use.
Published rider fit What rider-fit information does the supplier publish?	5'4" to 6'2" recommended-height claim Evidence Fit is a supplier recommendation, not a substitute for a safe stand-over and control check.	5'4" to 6'2" recommended-height claim Evidence Fit is a supplier recommendation, not a substitute for a safe stand-over and control check.	5'4" to 6'2" recommended-height claim Evidence Fit is a supplier recommendation, not a substitute for a safe stand-over and control check.
Use and legal context What should a buyer verify before public use?	Confirm label and local access rules before public use Evidence Speed and power do not by themselves decide public-road, trail, bike-lane or registration eligibility.	Confirm label and local access rules before public use Evidence Speed and power do not by themselves decide public-road, trail, bike-lane or registration eligibility.	Confirm label and local access rules before public use Evidence Speed and power do not by themselves decide public-road, trail, bike-lane or registration eligibility.

Methodology and sources

Manufacturer product pages were checked on 2026-08-18. Supplier WhatsApp confirmation dated 2026-08-14 controls US-warehouse inventory. Storefront quantity is a conservative 2 per model. Published range, fit, torque and climbing claims are not StreetRides road tests.

Official product pages are linked on each product. CPSC guidance supports general charging-safety context only.

Sources

Ridstar YVY K20 Lite product page : Ridstar
CPSC Micromobility Information Center : U.S. Consumer Product Safety Commission
Ridstar YVY K20 product page : Ridstar
Ridstar YVY K20 Pro product page : Ridstar

Information checked Aug 18, 2026

Straight answers based on current specifications, independent testing, and US ownership needs.

Frequently Asked Questions

Ridstar publishes a 20 mph locked maximum and a 33 mph unlocked maximum. That difference is material. Do not assume an unlocked setting is permitted on the same routes as a 20 mph configuration. Check the delivered label and your local rules.

Ridstar publishes a 48V 20Ah battery, 50 miles in pure-electric mode, and up to 75 miles with pedal assist. Range is conditional and varies with speed, hills, rider weight, cargo, temperature, tire pressure and assist use.

The K20 has Ridstar's published 1500W motor and 48V 20Ah battery, while the Lite is published with 1000W and 48V 15Ah. The K20 page also states a 33 mph unlocked maximum, which requires closer legal consideration.

Yes. Ridstar publishes front and rear suspension, and an official-page review specifically says the reviewer felt the brakes and suspension could have been better. Treat that as a reason to inspect setup and brake response carefully, not as a performance guarantee.

No. StreetRides' own return policy applies to an order placed with StreetRides. Keep your StreetRides order record and contact StreetRides first for manufacturer-warranty support.

YVY K20 1500W Fat Tire Electric Bike