Shimano STI Accessory Mount

by bravinneff, published

Shimano STI Accessory Mount by bravinneff Apr 18, 2013
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1779Views 181Downloads Found in Sport & Outdoors


Print this object (or if you're really good, machine it from aluminum!) to add accessories to your Shimano STI (Tiagra, 105, Ultegra...) brifters. I have added a Bontrager Trip 4W cycle computer to my bike with some additional details for mounting, but this can be used to accomdate many different things.

By the way, this is my first Thingiverse upload. Just sayin!


Add an M3 hex head screw and nut for the pinch clamp. At the accessory end, the hole is designed for an M4 screw. Use an M3 set screw in the middle as a lock nut against the Shimano Brifter locator. The wings or tabs at the top are used to reattach the rubber cover the of the shifter.

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Looks good mate. But one question - does it fit the pre- or post-2010 shimano ST tops? The post 2010 have a much larger/wider accessory track than the old ones. You can tell which ones you have by whether the cables come out the sides or whether they're hidden in the handlebar.

ahh so under the hood, there is a hood holder, it sits on that, but thats means your hood sits upright??

No, in fact most hoods are not upright. At least not any of the ones I have seen. Mine aren't, for what that's worth!

Where do I put this?? Any pics of it fitted??