SKU: 61070971864

TrailMaster LK140 Pro Series Dirt Bike, Electric Start, 4-Speed Manual, Dual Disc Brakes, (17/14) Wheels

Sale price$719.55 Regular price$799.50
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Description

TrailMaster LK140 Pro Series Dirt Bike, Electric Start, 4-Speed Manual, Dual Disc Brakes, (17/14) WheelsPerfect for off road enthusiasts, the TrailMaster LK140 Pro Series Dirt Bike boasts a powerful Zhongshen 140cc 4 stroke engine that can be easily started with its innovative "ELECTRIC START" feature. With a sleek 32" seat height and a lightweight design of only 172lbs, this mid size dirt bike is available in a variety of colors including red, blue, green, and orange. Plus, its 4 speed manual transmission and front and rear dual disc brakes provide

Perfect for off-road enthusiasts, the TrailMaster LK140 Pro Series Dirt Bike boasts a powerful Zhongshen 140cc 4-stroke engine that can be easily started with its innovative "ELECTRIC START" feature. With a sleek 32" seat height and a lightweight design of only 172lbs, this mid-size dirt bike is available in a variety of colors including red, blue, green, and orange. Plus, its 4-speed manual transmission and front and rear dual disc brakes provide exceptional control, while the inverted front shock ensures a smooth ride.

The Pro-Series line offers extra premium features such as an Inverted front shock absorber, a Nitrogen air gas rear shock absorber with an aluminum linkage, a performance stainless steel muffler, alloy foldable handle levers, alloy rims and hubs, and high-quality front and rear disc brakes. This bike's full motocross ergonomics, race suspension system, and electronic CDI ignition allow for natural handling and effortless key and kick starting. Additionally, the CDI ignition ensures a smooth ride in all gears and a broad, even power band.

Specifications

Engine System

 Engine Type Yinxiang 140cc, Single cylinder, four stroke, air-cooling /Oil-cooling
Displacement 140 ml
Max Power 6.8/7500 (1±1.5%)
Max Torque 9.7/55001±1.5%
Compression Ratio 8.8:1
Shift Type Four gear, non-circulate gear 
Start Type Electric / Kick Start
Ignition CDI
Min. Fuel Consumption: ≤367g/kw.h
Minimum turning radius: 1900 mm
Lubricant Type # SF15W/40
Transmission: Chain Drive 

Size Data

Overall Size (L x W x H) 1780×740×1100 mm /69.42 x 28.86 x 42.9 Inch
Wheelbase 1210mm / 47.67  Inch
Seat Height 835mm / 32.89  Inch
Ground Clearance 340mm / 13.26  Inch
Fuel Capacity 6 L / 1.56 Gal.
Wheels Alloy 17/ 14 Rims, Alloy Hubs
Tires YUANXING  FT: 70/100-17 - RR: 90/100-14

Frame/Suspension/Brakes

Frame High quality Steel Frame
Front Fork Inverted, non-Adjustable  
Rear Shock Alloy U&D connector, Non-Adjustable
Upper and Lower Connecting Board Alloy
Handlebars Alloy and Foldable
Front Brake Disc
Rear Brake Disc
Exhaust Stainless

Packing and Loading

Packing Size 1370*440*660 mm / 53.43*17.16*25.74 Inch
N.W/LBS 78 KGS  / 171.6 LBS
G.W/LBS     103 KGS / 226.6 LBS
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: 61070971864

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4.6 ★★★★★
Based on 22 reviews
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I'm A Zon
San Leandro, US
★★★★★ 5
You want this one, for power and quality and saving on AA battery costs
Color: Black
Yes. You want this one, for power and quality and saving on AA battery costs — buy it now. Don’t waste any more time comparing products. After hours, days, weeks, of researching and comparing, I ordered this one. I do not regret it. It is powerful. It was less than $25 when I bought it. It has a USB charger port and it feels solid in your hand. It has a turn-knob at the top to control the variable speed immersion blender aka milk frother aka wand frother. Charge battery fully for 2hrs before first use and then you’re all set. It works very well. It functioned as expected and then even better. Yes. It exceeded expectations. I hope it lasts a long time. It feels like it is very well made and high quality. Classiest and best wand frother I have ever owned. And I’ve owned over 3-4 in the past 10yrs. I got this one at $25 instead of the highest-rated one for $9.99 because those require AA batteries and this frother however is USB-C rechargeable! So in 1-2 years it will have paid for itself in battery costs alone. But there’s no price I can put on how enjoyable it is to use this super powerful, super smooth, high quality, wand frother.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 20, 2025
S
Verified Purchase
Sahil Samral
Los Angeles, US
★★★★★ 5
Quality Design
Color: Gray
Excellent frother/mixer Pros: - Quality feels premium. - Plenty of power to mix even with a drink packed with ice and peanut butter. Basically a mini handheld mixer. - Ease of use is great. I appreciated that this had a longer brother so I can mix drinks in taller cups. Also the grip is fantastic and it is easy very easy to change the speed with just one hand so you can hold the drink with the other. Longevity - So far it's been holding up and hasn't needed a battery replacement. Cons: None so far.
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Reviewed in the United States on December 10, 2025
M
Verified Purchase
Michelle
Port Orchard, US
★★★★★ 5
Highly recommend!
Color: Gray
Love this frother!!! Purchased to replace an Aerolatte that stopped working after a reasonable period of use. Right out of the box, it was charged and ready to go. I’ve been using it daily for about 5 weeks on the same charge it had on arrival and it’s still going strong. Love the variable speed and easy to work with one hand. And this baby can froth! It froths far better than our old Aerolatte. Also love the rechargeable feature so no more AA batteries wasted. This handy kitchen tool makes my morning coffee a true highlight. Highly recommend the Maestri milk frother!
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Reviewed in the United States on February 18, 2026
R
Verified Purchase
RetroGirl
Massapequa, US
★★★★★ 5
Best Frother Ever!
Color: Black
Great little frother and very powerful after just one charge. I haven’t charged it since the first day and it is still going strong after 3 weeks. I use it daily for coffee froth, but have used it for mixing other things as well. It works great on mixing drink powders into water and for making salad dressing from scratch. It’s one of the best things I’ve purchased on Amazon for kitchen tools. My old frother ate through batteries and was 1/10th as powerful. This one really is amazing. Great quality heavy duty but still small machine. Extra attachment heads are also a bonus.
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Reviewed in the United States on May 23, 2026
T
Verified Purchase
Toni L
Cuba, US
★★★★★ 4
Very good frother that gets the job done extreamly well
Color: White
I hvae used this frother primarily for smoothies and coffees. Each time, it does a wonderful job. Deducted a star for the location of the speed control which is ontop of the device. It's akward to use one handed while attempting to control the speed, athough it's advertised as making it easier. It's not!
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Reviewed in the United States on November 27, 2025

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