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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
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Description
TrailMaster MK125S Pro Series Dirt Bike, 4-Speed Semi-Automatic, Electric Start, Dual Disc Brakes, (14/12) WheelsThe TrailMaster MK125S Pro Series Dirt Bike, available in a range of colors, introduces a Zhongshen 125cc 4 stroke 6. 3hp engine with both kick and electric start options. Equipped with a 4 speed semi auto transmission and inverted front shock, this premium mid size bike from JHL Offroad offers a reliable and high performance ride, weighing just 149lbs with a seat height of 29. 5". Enhance your riding experience with the TrailMaster MK125S Pro Series
- Balanced Shaft ZS125 engine
- Air-cooled, 4-stroke
- Electric start, with kick backup
- Low 29" seat height for smaller riders
- Newly designed strong frame
- Inverted front shock
- Nitrogen air gas rear shock absorber
- Aluminum linkage
- Performance stainless steel muffler
- Waterproof wire harness
- Alloy foldable handle levers
- Alloy wheels and hubs
Specifications
| Engine Type | Zongshen Balanced Shaft 125 Single cylinder, 4-stroke , air-cooling |
| Displacement | 123cc |
| Max Power | 6.3/7500 (1±1.5%) |
| Max Torque | 8.8/5500（1±1.5%） |
| Compression Ratio | 9.0:1 |
| Shift Type | N-1-2-3-4, 4-speed Automatic Clutch |
| Start Type | Electric / Kick Start |
| Ignition | CDI |
| Min. Fuel Consumption: | ≤367g/kw.h |
| Minimum turning radius : | 1900 mm |
| Lubricant： | 10W/40 |
| Transmission: | Chain Drive |
| Overall Size (L x W x H) | 63*27*42" |
| Wheelbase | 31" |
| Seat Height | 29" |
| Ground Clearance | 10.24" |
| Fuel Capacity | 0.92 Gal. |
| Wheels | SteelRims, High Quality Alloy Hubs |
| Tires | YUANXING FT: 60/100 -14 - RR: 80/100 -12 |
| Frame | High quality Steel Frame |
| Front Fork | Inverted front shock absorbers 43/45mm |
| Rear Shock | Rear none-adjustable mono shock |
| Upper and Lower Connecting Board | Alloy |
| Handle Lever | Foldable |
| Front Brake | Disc |
| Rear Brake | Disc |
| Exhaust | Stainless steel muffler |
| Packing Size | 55*17*33" inches |
| N.W/LBS | 149 lbs |
| G.W/LBS | 213 lbs |
Circular Shifting: We have seen some bikes being sold that use circular shifting. We don't sell them. Circular Shifting means that when the bike is in 4th gear, if you shift up, it goes back into neutral, then 1st gear,
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.6 ★★★★★
Based on 27 reviews
Sort
Product Reviews
★★★★★ 4
Soild
Size: Medium
The orange and blue ball is perfect. Once start taken because the because the blue noisy one was a little to easy for my dog to start ripping pieces off. Will say most toys do not survive his chewing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 24, 2026
★★★★★ 5
Aggressive chewer who loves fetch approved!!
Size: Medium, Size: Medium
I highly recommend the Chuck-It brand in general, especially for dogs with an aggressive bite. These balls are awesome and are the most durable balls I’ve bought for my 50 lbs lab mix. He has not been able to break one of them yet and we’ve had a few of the squeaky balls for months. They are a bit pricey but worth it.
The one in the pic has been used for months, lives outside and you can see it’s still in great shape.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 22, 2025
★★★★★ 5
Good quality dog ball for playing fetch
Size: Medium
My dog and family love these chuck it balls to play fetch with our dog. They are durable and fun. They squeak which is added fun for any dog! Regular tennis balls my dog chews apart and they get pretty gross after playing and being left outside. These can be easily washed off and cleaned. These balls last! Would recommend to anyone with a dog and would purchase again.
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Reviewed in the United States on April 17, 2025
★★★★★ 5
Tough and sturdy
Size: Medium
Have lasted my dog for years now and she is a tough chewer. Worth the money
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 12, 2025
★★★★★ 5
Perfect toy for an active dog!
Color: Large size (7.9")
My dog absolutely loves this ball with handles! It’s quickly become one of his favorite toys, and he gets excited every time we bring it out to play.
The vibrant colors are a huge plus—they make it super easy to spot in the grass, which saves a lot of time during outdoor play sessions. The handles are great for interactive play too, especially for tugging and tossing.
I’m really impressed with how well it’s holding up. Even with constant pulling, tugging, and rough use, it’s remained durable and hasn’t shown any signs of wearing out.
Overall, I’m very happy with this purchase—and if my dog could write reviews, it would definitely get his paw stamp of approval! 🐾
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
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