15.22" Electric Skateboard Double Kingpin Trucks increase carving possibilities Constructed from high-quality aluminum matrial, made by gravity casting technology, trucks are after heat treatment, very strong .
What is advantage of gravity casting technology？
- Aluminum liquid flow into truck mould by liquid's weight naturally, this way can delete mould's inside air clearly.
- can do heat treatment after demoulding.
- Aluminum hardness reached out HRB65 around .
- can stand over 150kg weight
15.22" detail size：
About motor mount :
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