This is of aluminum alloy metal coupling, connecting the motor aperture is M4, the other end is connected with M3 screws and wheels, free delivery M3 top wire, so fixed in the motor coupling.
Name: motor coupling
Size: M4 (motor segment), M3 (wheel end), M3 (top wire fixed end)
Body weight: about 2g
Aluminum coupling: 4 pcs
Free send M3 top wire (used to fix the coupling on the motor): 4 pcs
1. Due to computer monitor and the actual shooting brightness and other reasons, there will be a certain color difference.
The final color please refer to our actual goods. Please know this before you buy it. Thank you !
2. The picture we show is 100% Real Object Photography.
3. The size may have 2-3cm differs due to the maunal measurement.
4. For the shipping convenience, the product is unassembled .
1. Preparing Time: we need 2-5 working days to prepare your order according to our numerous orders every day.
2. Free Shipping for worldwide if you choose China Post.
The information of new tracking number for China Post Ordinary Small Packet Plus can not be tracked when it is shipped out of China. Whether it is arrived or not，it will no more tracking information.
Please choose China Post Air Mair if you want a full tracking information.
Tracking information of China Post Ordinary Small Packet Plus can be checked here: www.17track.net.
1. If you are satisfied with our products and services, please leave your positive feedback and 5 stars, and 5 stars for the detailed rating of your order. Once you show us the screenshot of both 5 stars, we will give you $3 DISCOUNT for each order over $50 in your later purchase.
2. If you share our product link on your SNS or Facebook, we will give you $3 DISCOUNT for each order over $50 in your later purchase as well.
3. If you are not satisfied with our products, pls contact us before you leave neutral (3 stars) or negative (1-2 stars) feedback. We guarantee we will 100% slove any problem for you.
4. Please email to us before leaving the negative feedback or opening any dispute on the site. Communication is the best way to solve the problems.