PRODUCTS
Headset
SIT (ZS)
- Features
- SIT (ZS)
- Semi-Integrated
- Bearing sits in cup inside of head tube
SELECT |
Upper & Lower Headset Bearing Or Headset Cup By Head Tube Size |
| Semi-Integrated ( ZS ) | |
| 44 / 49 / 56 / 66 | |
| Top & bottom inner diameter, in mm |
SELECT |
Upper Headset Top Cover |
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| Concave (CAV) | Conical (CON) | Convex (VEX | EVEN(EVE) |
SELECT |
Bearing Options |
| Type / Material | Friction Performance | Sealing Effectiveness | Corrosion Resistance | Cost |
Loose Ball |
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Semi Cartridge |
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![]() Double Seal ACB / SUJ |
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Double SealACB / SUJ+Tib |
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Double SealACB / SS |
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SELECT |
Crown Race by Steerer Tube Size |
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Steerer Tube O.D. |
| 27mm ( 1” ) | |
| 30mm ( 1 1/8’’ ) | |
| 33mm ( 1 1/4’’ ) | |
| 40mm ( 1 1/2’’ ) |
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Loose Ball

Semi Cartridge.png)
Double Seal
Double Seal