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Fitting Spa Mirrors to a DPR Mount

As standard a Spa side mirror comes with a fixing plate as shown in the lower picture.  This plate is removed as follows:

1)  Undo the cap head bolt holding the fixing plate on to the mirror stem.

2) Unscrew the aluminium fixing/mirror ball end from the bottom of the mirror stem and push the ball end through the supplied Spa fixing plate,

3) Push the  ball end through the black conical nut supplied with the DPR mount and screw the ball end on to the mirror stem.

4) The Spa mirror should now look as the top picture and can be fixed directly to a DPR pillar or cage mount.

5) Take care not to over-tighten the Spa conical nut as the aluminium threads in the pillar mount/Spa nut can be stripped

Note: A Spa centre mirror is fitted in the same way as the side mirrors.   Spa mirrors supplied by DPR will have the Spa black conical nut already fitted in place.

Fixing a DPR Spa Pillar Mount to a windscreen stanchion.

Newly available.

This purchase is for a single DPR designed pillar mount that enables a Spa side mirror to be fitted to a Caterham windscreen stanchion or a DPR roll cage mount. This includes a specially designed cap head bolt to secure the mount to the stanchion.   The Spa mirrors shown are a separate purchase and are shown as part of the fitting instructions below.


A long awaited solution for Caterham road cars that offers a much improved fit solution due use of the Spa conical nut with the Spa metal ball enabling the mirror to be tightened without removal from the stanchion.

The pillar mount can also be used with an Academy race car and on a subsequent removal of the windscreen. e.g. Roadsport upgrade to 270R, the mirror with its pillar mount can be easily mounted on the roll cage using the DPR roll cage mount. Unique flats on the side ensure that the pillar mount can be held in place whilst the mirror is tightened in position.

Note: The part advertised is just for a single adaptor to mount the Spa mirror to the windscreen stanchion. The Spa mirror is not included and is present just to show how the pillar mount would appear in use. The DPR pillar mount is supplied together with cap head bolt to fix to the windscreen stanchion and the large black nut required to secure the Spa mirror to the pillar mount as shown in the main picture.

Fitting Spa Mirrors to a DPR Mount

As standard a Spa side mirror comes with a fixing plate as shown in the picture above. This plate is removed as follows:

1) Undo the cap head bolt holding the fixing plate on to the mirror stem.

2) Unscrew the aluminium fixing & ball end from the bottom of the mirror stem and push through the supplied Spa fixing plate,

3) Push the ball end fixing through the black conical nut supplied with the DPR mount and screw on to the mirror stem.  Use green thread lock on the ball end thread to ensure that it should not come loose.

4) The Spa mirror should now look as the top picture and can be fixed directly to a DPR pillar or cage mount.

Note: A Spa centre mirror is fitted in the same way as the side mirrors. Spa mirrors supplied by DPR will have the Spa black conical nut already fitted in place.

Fixing a DPR Spa Pillar Mount to a windscreen stanchion.

The DPR Pillar Mount is fitted to the Caterham windscreen stanchion as follows:

1) Remove the middle securing bolt on the windscreen stanchion.

2) Push the supplied cap head bolt through the pillar mount base.

3) To minimise the risk of the bolt becoming loose, we recommend that the exposed thread should  have thread lock added.   Use blue thread lock on the exposed thread and on the base of the pillar mount before attaching to the stanchion.

4) Screw the cap head bolt in place using an allen key.  

5) Position the pillar mount in the required alignment and as the cap head bolt is tightened hold in place with a spanner on the two flats.

6) We suggest that the threads for the pillar mount & Spa black nut are lightly lubricated with copper grease and also apply copper grease to the ball end on the Spa mirror stem.

7) When the Spa mirror is put on to the pillar mount ensure that the pillar mount is held in place whilst the Spa mirror conical nut is being tightened.  Take great care not to over tighten this nut as this risks stripping the threads.

CAUTION - The thread length for the cap head bolt has been designed to minimise any risk of damaging the glass windscreen. However as tolerances can vary, take care to ensure the supplied cap head bolt does not bottom out on the windscreen glass. In the unlikely event this occurs, the bolt length should be reduced.