hmm
de galus1, 22 janv. 2018
In this bearings aren't good materials.
Utile ?
de , Blue Tomato, 24 janv. 2018
Hi! This bearings are made of steel and are prelubricated for a fast ride. Please send us some photos if you are not satisfied with the bearings. Thank you! Best Regards, Boris, BT CUSTOMER SERVICE