Instructables

Step 1: Find yourself a spare/unused U-lock holder.

This is pretty much the key element. I've never used any of mine to actually hold a U-lock for very long, and somehow they just seem to collect in my parts boxes. Your FLBS probably has some extra lying around, too.

Thing is, you're going to put the "fixed" half on your top tube instead of your seat tube, with the lock-holding bit horizontal(ishly) off to the left or right.

Step 2: Find the right size LED flashlight, stick it in.

Yeah. That's pretty much it then, isn't it? This picture ought to look familiar, anyway...

Depending on the light you get and your top tube diameter you might have use for the shims that come with these mounts, or just use $TAPETYPE tape/cut-up innertube.

The rest of this bike is at my Velospace if you're interested.
 
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i had two conduit hangers attatched head to head. i have a plastic thing so imight use this on my new beater i found today
i use a flashlight and electric tape, lot simplier
this way is a little cleaner than the tape idea... my local bike shop has the brackets (which i know are extras from customers not wanting it for their locks) for $2 each. about the same price as a roll of electrical tape.
im with you all the way
adnauseam5 years ago
Simple design, effective, and cheap. I like it. You could also use twist ties to hold the light on if you don't have a handy bracket like he does. A+
Icepick5 years ago
Looks like a neat tactical flashlight for a gun the way you have it!
kirkgiudici5 years ago
Thanks for that. I do something very similar. Try te same flashlight. loop a rubberband around one end, under the handlebar and back around to the other end of the flashlight. adjustable!
tacopsp6 years ago
great idea
stevexyg7 years ago
great idea in theory dj, have some of these brackets lying around too! But.......where do your knees go? would only work if u pedal with your knees right out like those guys who 'ride a bike but i'm still hard - look at my knees way out'
michaelk42 (author)  stevexyg7 years ago
Whaaaa? I haven't had that problem? I don't think this sticks as far back as you might think.