Is anybody aware of any concave bearings having a tiny hole center-punched into the side of them, the exact same way that the ceramic Dif-e-yo KKs do? I would appreciate hearing from you, if you have seen this elsewhere. Thank you.
Is anybody aware of any concave bearings having a tiny hole center-punched into the side of them, the exact same way that the ceramic Dif-e-yo KKs do? I would appreciate hearing from you, if you have seen this elsewhere. Thank you.