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Return& Item Quality control:
1 year warranty
Detailed information of the product:
headset bearing * 2pcs
Pls read the following bearing measurement carefully
Bearing ID: 27mm, OD: 38mm,Thickness: 6.5mm
Angles / Chamfers (Deg): 45/36
Fit with Most One Inch threaded or threadless Headset (Which take size 38mm bearing)
2 Types of Bearing Option:
Regular Bearing：
Race Material: P6 bearing steel
Enclosure: Two Seals
Enclosure Material: Rubber Seal
OR
Hybrid Ceramic Bearing
Race Material: P6 bearing steel
Ball Material: Nitrided Silicon Ceramic SI3N4
Enclosure: Two Seals
Enclosure Material: Rubber Seal
