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eBay£10.45Visit shop FSA Headset Bearing 1.1/8"" 6.5x30.2x41mm 36°×45° MR122 TH-873E 160-0014 Genuine
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This FSA Bicycle Headset, specifically the ACB TH-873E model, is designed for cyclists seeking reliable steering performance with its sealed ACB bearings. It offers a precise fit for 1 1/8" steerer tubes, ensuring smooth operation and durability. A potential consideration is the specific bearing angle (36°×45°) which must match your bicycle's frame geometry for optimal compatibility.
| Model Part Number | 160-0014000000 |
|---|---|
| Brand | FSA |
ACB stands for Angular Contact Ball bearings. These are designed to handle both radial and axial loads, providing precise and smooth steering.
You need to check the specifications of your bicycle frame or consult the manufacturer's documentation. This angle refers to the shape of the bearing's contact surface and must match the seat in your frame's head tube for optimal fit and performance.
These are sealed bearings. While some mechanics can carefully service them, it is often more practical and recommended to replace the entire headset if the bearings are significantly worn or damaged, especially given the specific TH Code (MR122).
Professional installation typically requires a headset press tool, crown race setter, and appropriate wrenches for stem and top cap adjustments. It is recommended to have this installed by a qualified bicycle mechanic.
The outside diameter is 41.0mm, and the height is 6.5mm.
The TH Code for this headset is MR122.
The headset may be overtightened. Loosen the stem bolts and re-adjust the top cap's preload. Ensure bearings are clean and properly greased.
The headset is likely too loose. Tighten the top cap to remove play, then re-tighten the stem bolts securely. Check for damaged or worn bearings.
This indicates dirt or damage within the sealed bearings. The headset may need to be serviced or replaced. Avoid riding in extremely wet or muddy conditions if possible.
The headset cups may not be properly seated or bonded in the frame. This often requires professional tools to re-press or face the head tube.
Setup:
Installation of a bicycle headset requires specialized tools and a good understanding of bicycle mechanics. The headset cups are pressed into the bicycle frame's head tube. The bearings then sit within these cups, and the steerer tube of the fork passes through them. Proper torque settings are critical to avoid premature wear or binding.
Compatibility:
This headset is designed for bicycles with a 1 1/8" steerer tube. Crucially, the 36°×45° bearing angle must match the head tube angle requirements of your specific bicycle frame. Incorrect angles can lead to poor steering performance or premature wear. Always verify compatibility with your bicycle's specifications before purchasing.
Care:
Due to the sealed bearings, minimal user care is required. Periodically inspect the headset for any signs of play or stiffness. If the headset is exposed to significant amounts of water or dirt, it may require professional servicing or replacement of the bearings. Avoid high-pressure washing directly at the headset area.
