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Ships within 48 hours · Estimated delivery Jul 3 - Jul 8
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Description
e bike mountainbike 500 watt motor Mid-drive motor and controller 500W500W 8FUN Mid drive conversion kits is a geared motor and a chain wheel that is installed on the bicycle bottom bracket, substituting crank shaft, chain wheel and cranks. Crank operating motor kit Suitable for down hill and up hill sport suspension mountain bikes Using bicycle transmission Super high torque taking mechanical advantage of the gear shift Special frame consideration for installation Heavier than hub motor kits Some geometrical
500W 8FUN Mid-drive conversion kits is a geared motor and a chain wheel that is installed on the bicycle bottom bracket, substituting crank shaft, chain wheel and cranks.
- Crank operating motor kit
- Suitable for down-hill and up-hill sport suspension mountain bikes
- Using bicycle transmission
- Super high torque taking mechanical advantage of the gear shift
- Special frame consideration for installation
- Heavier than hub motor kits
- Some geometrical limitations for down tube battery cases
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| Position | Mid Motor |
| Construction | Geared Motor |
| Nominal Voltage | 36V |
| Rated Power | 500 W |
| RPM | 110-130 |
| Max Torque | 100 N.m |
| Efficiency | ≥ 80 % |
| PAS SENSOR | Speed sensor |
| Shaft Standard | JIS |
Mounting Parameters
| Weight | 4.3 kg without battery |
Further Specifications
| Cadence (Pulses/Cycle) | 1 |
| Reduction Ratio | 1:21.9 |
| Magnet Poles | 16 |
| Noise | < 55 dB |
| IP-Code | IP 65 |
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 1143 reviews
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Product Reviews
★★★★★ 5
Happy dog
Flavor Name: Chicken, Size: 12 Ounce (Pack of 1)
We have a big dog and don't like to give him rawhide products for many reasons. We came across SmartBones a couple of years ago and have bought them ever since. They work well for our dog. The challenge has been finding them in stores where we live and at a fair price. These worked.
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Reviewed in the United States on July 14, 2021
★★★★★ 5
I order these a lot. They don't have rawhide ...
Flavor Name: Chicken, Size: 12 Ounce (Pack of 1)
I order these a lot. They don't have rawhide in them so that is my main reason. I have a small dog and I order a large because it then takes him about 45 mins to an hour to eat. Most of the time after he eats half I save the other half for the next day to make them last longer! He is a very active dog but these are his favorites. I also order them in small for little treats here and there (those last under 10 mins for him).
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Reviewed in the United States on February 27, 2016
★★★★★ 5
Dog loves even though they are thin product dog loves them and Picks Them out of many many toys.
These were super thin and I thought about tearing a hole in them and putting in a slight bit of stuffing. However, my dog absolutely loves them and we fling them across the house and the yard like little Frisbees. They are very lightweight but kind of a corduroy stitched fabric and they have lasted quite some time and been through the washer and dryer many times and abused. Still holding up and the dog loves them. Highly recommend a great product for the price.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Will Buy Again--Eventually as they are hearty
My dog loves these "trash babies" as the size, squeaker & trash /cellphane sound the crinkle toy makes brings her joy. this brings me joy as the stitching is hearty and toys hold up when cleaned in my washing machine & dryer. Her first trash baby is still going strong after a year tho the crinkle sound has dimminshed some the sweaker is good as new. I bought these to rotate to wash and keep a new one for travel. Very durable! good size for my 20 pound mini aussie.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Cute, big enough and top notch quality
These are SO CUTE! The look exactly like the pictures so I am really glad about that.
They are quite substantial in size, big enough. See pics :). I gift one of three to my friend's dog.
The texture is soft and boucle like and soothing for me and the doggos! The squeakiness is very prominent but not present in all parts of the toy - so its annoying. I am also glad these have no stuffing because they look great as is and lack of the stuff make them easy to chew on.
The cuteness got me on this one and I may repurchase again, if need be.
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Reviewed in the United States on October 2, 2025