We ( Maxton Trading Company Ltd.) are professional OEM bearing manufacturer specialized in headset bearings . Our headset bearings adopt SUJ2 materials to produce which is very durable and wearing-proof. The rubber seals are made of non-contact Nitrile Butadience Rubber which has good resistance to oil, water resistance, abrasion resistance and elongation force. Moreover, the bearings use high quality marine grease and top-notched black oxide coating technology to make; therefore, our customers such as Trek, Specialized, Giant, Merida, Decathlon..etc are satisfied with its quality and performance.For more products information, please kindly see the following link at "http://www.bearing-maxton.com/product.php?cat=20&id=5"
