CEMA ACB Headset Bearing
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The CEMA ACB headset bearing is the replacement to fit when your bike's headset has play, feels notchy or moves with friction. This size, 41 x 30.1 x 6.5 mm with a 36°/45° angle, is for anyone who needs to replace the bearing with one of the same format.
It is made from chrome-plated steel with a double seal, meaning two seals that help protect the bearing from dirt. The colour is silver-black. To choose, compare the outer diameter, inner diameter and height with those of your headset, then check the angle: 36°/45° indicates two cups with different angles, so this must be checked on your frame. If you are unsure of the dimensions, measure before ordering.
| Type | Headset bearing |
|---|---|
| Material | Chrome-plated steel |
| Outer diameter | 41 mm |
| Inner diameter | 30.1 mm |
| Height | 6.5 mm |
| Angle | 36°/45° |
| Seal | Double |
| Colour | Silver-black |