_x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ 41/41.8/46.9/52mm Bike Headset Bearings Mountain Bicycle Steel Repair Bearing MTB Cycling Parts _x000D_ Specification: _x000D_ Body Material: Steel _x000D_ Color: Silver _x000D_ Outer Diameter: 41mm/1.61" 41.8mm/1.65" 46.9mm/1.85" 52mm/2.05" _x000D_ Inner Diameter: 30.15mm/1.19" 30.15mm/1.19" 34.15mm/1.34" 40mm/1.57" _x000D_ Product Height: 6.5mm/0.26" (41mm/41.8mm); 7mm/0.28" (46.9mm/52mm) _x000D_ Net Weight: About 20g(41mm)/22g(41.8mm)/27g(46.9mm)/31g(52mm) _x000D_ Angle: Inner Angle 45 Outer Angle 45 _x000D_ Application: Repair most of the fully concealed, semi-concealed and external bearing Headset on the market _x000D_ Warm Tip: The ball bearing is not available. _x000D_ _x000D_ Specifications of the specific Headset Bearings: _x000D_ 44-55/56cm cone-shaped bearing set, usually 41mm outer diameter bearing is used for the upper bowl and 52mm outer diameter bearing for the lower bowl. _x000D_ 41.8mm fully concealed bearing headset, usually with an outer diameter of 41.8mm bowling, this headset is more special and does not require an outer bowl, please refer to your own frame for details. _x000D_ 34mm external bearing headset, generally 41mm outer diameter bearing. _x000D_ 44mm semi-concealed bearing headset, generally 41mm outer diameter bearing. _x000D_ 41.8-52 cone bearing headset, generally 46.9mm outer diameter bearing. _x000D_ _x000D_ Note: _x000D_ 1. The color of the Bearings seal ring of different batches may be different, generally black, some are red. _x000D_ 2. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x000D_ 3. Please allow 1-3mm measuring deviation due to manual measurement. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ 1 XHeadset Bearing _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_