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The hammering is to make room for the unit. The purpose of the bolt is to tension the bearing on the headset.

I would not use the unit for compression.
I suggest:

1. Remove unit
2. Loosen pinch bolts
3. Use the bolt (shown in video) to put proper tension on headset bearings
4. Tighten pinch bolts
5. Re-install GPS unit

Mainly I suggest you start with a seat tube based unit.

Headset is a lot of fabrication. In a headset during test you could just let the unit rattle around (pack it with some something).

The hammering is to make room for the unit. The purpose of the bolt is to compress the bearing on the headset.

I would not use the unit for compression.
I suggest:

1. Remove unit
2. Loosen pinch bolts
3. Use the bolt (shown in video) to put proper compression on headset bearings
4. Tighten pinch bolts
5. Re-install GPS unit

Mainly I suggest you start with a seat tube based unit.

Headset is a lot of fabrication. In a headset during test you could just let the unit rattle around (pack it with some something).

The hammering is to make room for the unit. The purpose of the bolt is to tension the bearing on the headset.

Don't agree with the answer from Suspended User. But he has a lot of good answers on this site.

I would not use the unit for compression.
I suggest:

1. Remove unit
2. Loosen pinch bolts
3. Use the bolt (shown in video) to put proper tension on headset bearings
4. Tighten pinch bolts
5. Re-install GPS unit

Mainly I suggest you start with a seat tube based unit.

Headset is a lot of fabrication. In a headset during test you could just let the unit rattle around (pack it with some something).

The hammering is to make room for the unit. The purpose of the bolt is to tension the bearing on the headset.

I would not use the unit for compression.
I suggest:

1. Remove unit
2. Loosen pinch bolts
3. Use the bolt (shown in video) to put proper tension on headset bearings
4. Tighten pinch bolts
5. Re-install GPS unit

Mainly I suggest you start with a seat tube based unit.

Headset is a lot of fabrication. In a headset during test you could just let the unit rattle around (pack it with some something).

The hammering is to make room for the unit. The purpose of the bolt is to tension the bearing on the headset.

Don't agree with the answer from Suspended User. But he has a lot of good answers on this site.

I would not use the unit for compression.
I suggest:

1. Remove unit
2. Loosen pinch bolts
3. Use the bolt (shown in video) to put proper tension on headset bearings
4. Tighten pinch bolts
5. Re-install GPS unit

Mainly I suggest you start with a seat tube based unit. Headset is a lot of fabrication.

The hammering is to make room for the unit. The purpose of the bolt is to tension the bearing on the headset.

Don't agree with the answer from Suspended User. But he has a lot of good answers on this site.

I would not use the unit for compression.
I suggest:

1. Remove unit
2. Loosen pinch bolts
3. Use the bolt (shown in video) to put proper tension on headset bearings
4. Tighten pinch bolts
5. Re-install GPS unit

Mainly I suggest you start with a seat tube based unit.

Headset is a lot of fabrication. In a headset during test you could just let the unit rattle around (pack it with some something).