Headset Bearings. Bearing kits. Bearing ID: 40mm. Bearing OD: 51.9mm. Bearing Thickness: 8mm. Material: Stainless Steel. Angle / Chamfer (Deg): 45 / 45. Inner x Outer x Depth (mm): 40 x 51.9 x 8.
ACB519H8 Headset Bearing 40 x 51.9 x 8 Chamfer 45/45 Angular Contact
45° Bicycle General Headset Bearing 39mm 41mm 41.8mm 43.8mm 46.9mm 49mm 51.9mm 52mmmm ACB519H8 Mountain Bike Repair Bearings(MH-P08 (41.8mm))
ACB519H8 40.0 x 51.9 x 8 mm 45/45 Sealed Headset Bearing
CNCLOL Bicycle headset 34 mm 44 mm 41.8-52 mm 44-46 mm, fork bearing bicycle 1 1/8 headset steering head bearing, mountain bike headset bearing semi integrated 1 1/8 headset ball bearing for MTB/road
Mountain Bike 4444S Headset 44mm 1-1/8" Bike Headset Spacer Bike Headset Bearing, Bicycle Headset Kit Bearing Semi Integrated Straight Tube Fork Internal
OTOTEC 2pcs Bike Headset Bearing Lower 36° x 45° MTB ACB Bearing Replacement Part MR127 Compatible with FSA Orbit No.57 TH-073 Headset Bearing Sealed Bearings Accessory