The Chainlink


Bike Sound

Dingy bells, squealing brakes, air hissing out of tires . . . no wait, this group is about mobile sound systems.

Members: 45
Latest Activity: Jun 11, 2019

Discussion Forum

Wanted to buy - sound system that fits in milk crate 3 Replies

Started by willow naeco. Last reply by Dean Bekken Apr 7, 2015.

Boom Bike 4.0 Shopping List 31 Replies

Started by Spencer "Thunderball" Thayer!. Last reply by Jimmy Miller Oct 16, 2013.

Shorai Batteries 1 Reply

Started by Matt. Last reply by h' Zerocats Jul 5, 2013.

Boom Cases 4 Replies

Started by Matt. Last reply by Gort 12-mile Pinklegneep May 18, 2012.

Syncing mobile sound systems-- best solution yet 17 Replies

Started by h' Zerocats. Last reply by h' Zerocats Jun 28, 2011.

Bike sound component givaway

Started by Brendan May 30, 2011.

Power Is Out? 11 Replies

Started by Matt. Last reply by Matt May 23, 2011.

Speakers? 12 Replies

Started by Matt. Last reply by Matt May 10, 2011.

Any reasonably affordable way to get into lithium batteries? 7 Replies

Started by h' Zerocats. Last reply by Spencer "Thunderball" Thayer! May 5, 2011.

building a bike sound system.... 4 Replies

Started by Josh. Last reply by Fat Tire Frank Apr 7, 2011.

Comment Wall


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Comment by Matt on June 12, 2011 at 2:00pm
Last night I ran my rig for the World Naked Bike Ride. At a more moderate volume, my Shorai 18aH battery lasted about two and a half hours. Not bad. Ideally, I would like to have that kind of volume for about four hours. Perhaps at some point I will upgrade.
Comment by Spencer "Thunderball" Thayer! on May 30, 2011 at 9:25am
Weird. I guess I have two accounts.
Comment by Spencer "Thunderball" Thayer on May 30, 2011 at 9:24am
I will report back. I ordered two of those batteries and the trailer I am building is designed to house six. So I will slowly collect them and increase running time.
Comment by Matt on May 29, 2011 at 4:08pm

Thanks Howard. Once again, I am grateful to you for your advice. Once the ride got under way, I cranked the volume up almost as high as it would go. This drained the battery rather quickly, perhaps 45 minutes or so into the ride. I heard the music cutting in and out, so I disconnected power from the system to prevent the battery from fully depleting.

I had been playing "pre-show" music before the ride started at a moderate volume, so perhaps in total I got a total of 1.5 hours out of the battery. 

This was not a mistake. I don't believe anyone on the list has tried a Shorai battery yet. I wanted to see what it was made of. Next time I will moderate the volume more. Perhaps at some point I will purchase an additional battery and run it in series (or parallel?) to get more time at a high volume.


When I arrived at a stopping point indoors, I reconnected the system and played music at a lower volume just to make sure everything was still working properly. It was. In fact, I played music at the lower volume for about 5-10 minutes without any cutting in/out, so perhaps I could have extended the party simply by reducing the volume?

For the record, I used the 12v/18aH battery for this ride. It was nice and lightweight as advertised. I also purchased one of their chargers. So far I am pleased with it. The battery probably takes more than 12 hours to fully charge. 

Comment by Spencer "Thunderball" Thayer on May 29, 2011 at 9:38am
I ordered these . Taking longer than I thought to get em.
Comment by h' Zerocats on May 28, 2011 at 1:01pm

Matt== the system sounded good.

You didn't appear to have it on during the ride-- what happened?

Comment by h' Zerocats on May 28, 2011 at 1:00pm

Kelly-- I have lots of spare stuff I'm happy to pass along-- you probably don't need to buy anything at all. Send me a friend request.

I don't think it would be arrogant to say that there's more knowledge and experience to be tapped in this group than on all of Instructables.

Comment by Matt on May 28, 2011 at 12:41pm
@Kelly - the author of the piece you linked to barely touches on power and batteries. This strikes me as an enormous omission.
Comment by Kelly Askam on May 28, 2011 at 5:18am
Comment by Kelly Askam on May 28, 2011 at 5:18am

Even a search for "speakers" will bring up more portable boombox like solutions that you can adhere to your bike when you want.



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