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YVY K20 1500W Fat Tire Electric Bike

Price

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

Shipping calculated at checkout.

Ship to

US

Product variants

Available In Stock

Overview

The YVY K20 is the middle K20 model, with a 1500W motor and 48V 20Ah battery. 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. It is YVY-branded, supplied through Ridstar.

StreetRides ships the YVY K20 to riders in Seattle, New York, San Diego, Denver and across the U.S.

Best For

Choose the K20 when the 48V 20Ah battery and its longer range matter more than the Lite's simpler 20 mph specification. Power is not the only choice: the 33 mph unlocked setting can change its legal class and where you may ride. The K20 Pro is for a buyer who specifically needs dual motors and accepts an even more demanding ownership profile.

Performance

Ridstar lists 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 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 ground reaches the top of that range. Steep mountain trails near Denver and Salt Lake City sit at the bottom.

Safety & Certification

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

1500W brushless motor. 48V 20Ah battery. 20 mph locked and 33 mph unlocked maximum-speeds. 50 miles pure-electric and up to 75 miles pedal-assist range. 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.

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 setting 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 range. The important comparison is the locked 20 mph setting versus the 33 mph unlocked setting.

StreetRides Research Team

Last Reviewed Date: October 23, 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 rates it for 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 lists 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 YVY K20 setups, not simple upgrades of one bike. The Lite is the 1000W, 48V 15Ah, 20 mph top speed option. The K20 adds 1500W and 48V 20Ah, with 20 mph locked and 33 mph unlocked. The Pro adds two 1000W motors, a 52V 40Ah total battery arrangement, and a 34 mph top speed.

Why these products

All three are YVY K20 models that ship from Ridstar's U.S. warehouse. Specs come from Ridstar's product pages.

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 top speed The restrained K20: 1000W, 48V 15Ah, 20 mph top speed, and 30-50 mile 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 range. The important comparison is the locked 20 mph setting versus the 33 mph unlocked setting. Think twice if: you want the Lite's 20 mph top speed 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 top speed and 75/180-mile range ratings. Not represented as road legal. Think twice if: your route requires ordinary e-bike treatment or the Lite/K20 already covers your need View product details
Power and published speed How does motor output and the published maximum differ?	1000W motor. 20 mph top speed Evidence Check local rules for where you may ride at this speed.	1500W motor. 20 mph locked and 33 mph unlocked maximum-speeds Evidence Check local rules for where you may ride at this speed.	2000W total from two 1000W motors. 34 mph top speed Evidence Check local rules for where you may ride at this speed.
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 Evidence Range figures are Ridstar ratings 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 Evidence Range figures are Ridstar ratings 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 range Evidence Range figures are Ridstar ratings 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 Evidence Fit is Ridstar's guide, not a substitute for a safe stand-over and control check.	5'4" to 6'2" recommended height Evidence Fit is Ridstar's guide, not a substitute for a safe stand-over and control check.	5'4" to 6'2" recommended height Evidence Fit is Ridstar's guide, 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 Check local rules for roads, trails, bike lanes and registration.	Confirm label and local access rules before public use Evidence Check local rules for roads, trails, bike lanes and registration.	Confirm label and local access rules before public use Evidence Check local rules for roads, trails, bike lanes and registration.

Methodology and sources

Manufacturer product pages were checked on 2026-08-18. Range, fit, torque and climbing figures are Ridstar ratings.

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

Yes. Ridstar lists 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