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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
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Description
MK125 Dirt Bike 4-Speed Manual Dual Disc Brakes, Electric Start (14/12), Ages 12 and upTrailMaster has partnered with JHL Offroad to unveil the MK125, a top of the line mid size dirt bike from their PRO Series. The bike boasts a powerful Zhongshen 125cc 4 stroke 6. 3hp engine that can be started with either kick start or electric start. With a seat height of 29. 5" and a weight of just 149lbs, the MK125 is both lightweight and high performing. It comes in three sleek colors red, blue, and green. This model also includes a 4 speed manual
Features
- 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 | F4-Speed, N1234 |
| 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
4.4 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Perfect for ball demolishers
Size: Medium
The dogs love the chuck it brand. I don’t know what it’s made of but they go crazy over them. Will not play with another ball. Wonder if it’s “laced” with an addictive scent. Have pits. Very durable. Not able to chew to pieces. Last for about 6 months before there is a small break. I keep a back up because when the ball goes missing the house is in chaos. 😆 🤪
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Most durable ball!
Size: Medium
This are my dogs fav ball 😍 they last forever!
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Reviewed in the United States on April 23, 2026
★★★★★ 4
Chuckit medium rebound balls
Size: Medium
My 8 month old German shepherd dog loves these balls. They are easy to throw, they bounce great, they are very chewable! She keeps one in her mouth most of the time. It satisfies her need to chew and she does not chew other things. She drops it in the water and lets the hole fill up and drinks that way. The only problem that has caused is suction in her mouth and difficulty in dislodging it for her. However, she would be lost without it!
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Reviewed in the United States on April 19, 2023
★★★★★ 5
These are definitely indestructible
Size: Medium
Both of my dogs can destroy a ball in a matter of minutes if I let them play with them (supervised) as is. Well not with these balls. They are the ONLY ones I have found that are 100% indestructible. Please only let your dogs play with these as a toy when supervised though. They go really far when throwing them, so both dogs get a good amount of running and exercise with these. I also bought these because they have the hole in the middle of the ball which is very important in the event that a dog gets one stuck at the back of their throat. This allows them to breath unlike those without this hold. It's an unlikely event, but as dog owners, we all need to be aware of this and educate ourselves on what to do if this SHOULD happen. This isn't a scare tactic, nor a reflection of this particular brand, it can happen with any type of ball. My two dogs are about 45ish lbs and the size is perfect for them, I don't want anything smaller than this. They love them. There is no annoying squeak. Really easy to wash after use. Some balls take forever to get the slimy saliva off, but these don't.
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Reviewed in the United States on September 25, 2025
★★★★★ 5
He loves this ball
Size: Medium, Size: Medium
My dog loves this ball. It’s the perfect size, he enjoys playing fetch and this ball has been his fav one. Thank you guys for making my lil one happy
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Reviewed in the United States on May 2, 2026