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Bike Phone Mount - Repurposed 23-25C Tire Tube


I combined ideas from handlebar phone mounts and bag phone mounts. The key to this application working is the nature of rubber and that it has wonderful self adhering properties. When the phone is wrapped at the corners and over bottom of the top tube you can stuff the excess tubing after the wrap and that will adhere to the tubing underneath, given that there is sufficient pressure to hold it all together.

Sufficient pressure is attained if you wrap the phone while applying and maintaining a bit of tension throughout the wrapping procedure. Because the brake cable was constricted and therefore brakes were of limited operability, I had to house the exposed brake cable with a plastic straw, which I cut length wise down the middle and covered in bike handlebar tape. There was still some constriction to the brake cable but they were quite operable.

This phone mount system was necessary because it seems most top tube bag mounts do not fit larger phones such as my LG Stylo 5. Additionally, top tube bag mounts interfere with the shifting mechanism of my bike (Kent 700 RoadTech). For a waterproof system, put the phone in a Ziploc bag before wrapping with the tubing. Touch screen is operable beneath Ziploc bag and beneath the tubing.

Note: care must be taken to make sure that power and volume buttons are not depressed by the tubing wrap. Also, access to the headphone jack and the USB-C port require a bit of pushing the tubing around. On my phone, both ports are on bottom of the phone; the headphone jack would be on the left of the tubing, and the USB-C on right.

See below for pictures of the bike bag phone mount systems that are available on the market.




Phone Mount Wrap Procedure:

I cut a bike tube to 43 inches. Extend a phone length of tube toward the handlebars.


Lay the phone over the extended length of tube and wrap the top left corner of the phone, bringing the tube under the bike top tube and around to the bottom right corner of the phone.

Wrap the bottom right corner bringing the bike tubing around the bottom of the top tube once again, and then over the bottom left corner of the phone.

From the bottom left phone corner, bring the bike tube once again under the top tube and around the top right corner of the tube. Bring the tubing once more around the top left corner from underneath, and you'll have a piece of tubing remaining. Take this bit of tube, fold it in half and stuff it underneath the phone. You'll find that the whole mount system is rather stable.

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