Introduction: Bike Stem Adapter for Handlebar Computer Mount Using a Wine Cork

Picture of Bike Stem Adapter for Handlebar Computer Mount Using a Wine Cork

This instructable shows how to make an adapter in order to move your bike computer or the likes from the handlebar to the stem. I needed to do it because I run out of room on the handlebar, and it worked fine!

Materials needed:

1) 1x wine cork (can be actual cork of silicone, perhaps another material - desirably lightweight and easy to work)
2) 1x tie-wrap (make sure the tie-wrap is long enough to accommodate the mount, the cork and the stem as in the image. 3) The existing handlebar mount for your bike computer/lamp/etc.

Step 1: Cutouts for Tie-wrap on Plastic Computer Mount

Picture of Cutouts for Tie-wrap on Plastic Computer Mount

You can carry out these cutouts in a number of ways. I did it by drilling two 2mm diameter holes using a handheld portable drilling machine, and removing the material in between using a Stanley knife.
Carry out one cutout on each side of the mount.

Step 2: Place the Tie-wrap Through the Cutouts

Picture of Place the Tie-wrap Through the Cutouts

As in the images.

Step 3: File Out Grooves on the Cork

Picture of File Out Grooves on the Cork

On these images you'll see grooves filed out on the cork. The thin grooves serve as guides for the tie-wrap and help the mechanical stability of the whole thing.
The large curved groove carved out of the cork will fit the stem. CAUTION!! --> The groove fitting the stem NEEDS TO CORRESPOND to your preferred final position of the computer/lamp/etc. Thus FIRST OF ALL think about it, do a mock-up and determine what's the position and angle of this groove in relation with the thin grooves for the tie-wrap.

Step 4: Fit the Mount to the Cork Using the Tie-wrap

Picture of Fit the Mount to the Cork Using the Tie-wrap

As in the image.

Step 5: Place the Mount+cork on the Stem

Picture of Place the Mount+cork on the Stem

OPTION: piece of rubber between stem and cork, possibly between cork and mount too. I didn't use it and it worked fine, but could also be useful to keep it in place without a large tie-wrap tension.
NOTE: You may need to use a pair of pliers in order to pull the tie-wrap to the required tension. CAUTION!!! --> Some computer mounts may not be very sturdy (e.g. those purchased separately when the original mount is missing)... those will suffer from undesired bending under the tension of the tie-wrap, compromising the electric contacts between the computer and the mount. My advice is to find a compromise between tie-wrap tension and mount deformation. Enjoy!

Comments

seamster (author)2014-08-18

Nice, simple fix! Thanks for taking the time to share this!

eljormaz (author)seamster2014-08-19

Thanks seamster! It was fun!

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