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Thread: New Siren Song

  1. #1
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    New Siren Song

    I've been working on this for the past two years (yes, 2 years. . .it's a long story). Here it is, fresh off its shakedown ride:











    My first single speed; and, damn this thing is fast and fun! No action or trail shots, as I was having too much fun to stop.
    "It's easy to grin, when your ship comes in, and you've got the stock market beat; but the man worth while, is the man who can smile, when his shorts are too tight in the seat.'"

    -- Judge Smails

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    Gotdayum that's hot. Nice motorized bike carrying device as well.

  3. #3
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    Beautiful bike. Congrats!
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  4. #4
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    Nice looking bike!

  5. #5
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    Wow.

  6. #6
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    Nicely done.....

  7. #7
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    Thanks, everyone. I had a blast on it for the first real ride. I didn't want to come in, and I could have done loops all day if I didn't have to meet some people in the afternoon.

    On the shakedown ride, I discovered I need to run super high chain tension to avoid skipping on the climbs. . .too much tension to leave it long term for my comfort. The issue is with the soft tail, as the rear end flexes, the chain tension is eased enough to let the chain skip on the rear cog.

    I solved it for now with super tight chain tension. . .but I can clearly feel things bind a bit in the bearings of either the hub (King SS) or the bottom bracket (also King) so this obviously won't work long term.

    Right now, I'm running 32 x 18 on 29" wheels, which I think feels about right. Maybe even a bit too hard for my newbie self on some of the trials I like to ride. I think with a bit more chain wrap on the rear cog I can solve the skipping issue. I'll try a 19 or 20 tooth cog first, but I think I'll end up going with a bigger front ring long term, to try to stay near my current ratio as my single speeding legs get stronger.
    "It's easy to grin, when your ship comes in, and you've got the stock market beat; but the man worth while, is the man who can smile, when his shorts are too tight in the seat.'"

    -- Judge Smails

  8. #8
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    Quote Originally Posted by BGillespie View Post
    Nice motorized bike carrying device as well.
    Thanks, that's also fast and fun!
    "It's easy to grin, when your ship comes in, and you've got the stock market beat; but the man worth while, is the man who can smile, when his shorts are too tight in the seat.'"

    -- Judge Smails

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    To solve the tension issues are you thinking about running a spring tensioner on it?
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    Quote Originally Posted by A1an View Post
    To solve the tension issues are you thinking about running a spring tensioner on it?
    That will be my last option. I'm hoping a bit more chain wrap with a bigger cog will fix it. The shrinkage seems to be minimal. . .but obviously it's enough to cause issues.
    "It's easy to grin, when your ship comes in, and you've got the stock market beat; but the man worth while, is the man who can smile, when his shorts are too tight in the seat.'"

    -- Judge Smails

  11. #11
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    Very interesting, and really cool, frame design.
    Buy a f-ing bike maybe you wouldn't be fat

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    Quote Originally Posted by Mountain_Smith View Post
    The shrinkage seems to be minimal. . .but obviously it's enough to cause issues.

    Hehehehe
    My motorcycle runs on infant blood

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    Quote Originally Posted by Mountain_Smith View Post
    That will be my last option. I'm hoping a bit more chain wrap with a bigger cog will fix it. The shrinkage seems to be minimal. . .but obviously it's enough to cause issues.
    Please keep us updated on how it works out. Hard to tell from the photos, but is there room for a higher volume tire in the back?

    This frame is my unicorn...been drooling over them for quite some time now.
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    Maybe a rear cog with a higher tooth profile would work better. I don't know who that would be, but it might help.

    Also, ask the folks at Siren about it. Lots of people have run SS softtails in the past, and I've never heard of folks having the chain skip because of it. Maybe yours has a lot more flex than others, but even then ...

  15. #15
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    Quote Originally Posted by SSSasky View Post
    Maybe a rear cog with a higher tooth profile would work better. I don't know who that would be, but it might help.
    Interesting. . .hadn't thought about this as a possibility. I'll have to see what the variation is in tooth height between vendors.

    Quote Originally Posted by SSSasky View Post
    Also, ask the folks at Siren about it. Lots of people have run SS softtails in the past, and I've never heard of folks having the chain skip because of it. Maybe yours has a lot more flex than others, but even then ...
    Yeah, soon as I get some more ride time to play around and hopefully get a bit more info on what's going on I'll be talking to Brendan.
    "It's easy to grin, when your ship comes in, and you've got the stock market beat; but the man worth while, is the man who can smile, when his shorts are too tight in the seat.'"

    -- Judge Smails

  16. #16
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    I forgot to add: that is one sweet looking ride! Nicely done!

  17. #17
    The need for singlespeed
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    A little steel wool will get that rust right off your rims.

    Nice ride! Post up when you've got the skipping resolved.

  18. #18
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    Quote Originally Posted by zaskaranddriver View Post
    A little steel wool will get that rust right off your rims.
    Ha ha, awesome tip.

    It's hard to tell from the pics, but they are the Velocity Blunts with the Teak finish. They look awesome in person, and I'd highly recommend them if anyone is thinking about them. Of course, this is based on looks at this point. Only time will tell how they hold up.

    Quote Originally Posted by zaskaranddriver View Post
    Nice ride! Post up when you've got the skipping resolved.
    Thank you, and will do.
    "It's easy to grin, when your ship comes in, and you've got the stock market beat; but the man worth while, is the man who can smile, when his shorts are too tight in the seat.'"

    -- Judge Smails

  19. #19
    Yeet so hard
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    Velocity Teak rims? nice touch...
    Guerrilla Gravity BAMF
    Smash

  20. #20
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    Very nice!

  21. #21
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    Hard for me to take any mtb seriously with a Brooks saddle.

    Sweet bike. Soft tails are on my wish list.

  22. #22
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    Awesome bike, just trim the saddle.


  23. #23
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    I'm diggin' the Brooks saddle (I also ride one on my Kona Unit!), but the cut-down version would look awesome! Nice bike!

  24. #24
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    Quote Originally Posted by umarth View Post
    Hard for me to take any mtb seriously with a Brooks saddle.
    Ehh. . .to each their own. But, I know what you mean, I have a hard time taking red bikes seriously.

    Quote Originally Posted by umarth View Post
    Sweet bike. Soft tails are on my wish list.
    Thanks, I've been curious about them for a while too. I don't have enough miles on it to really form an opinion on the soft tail yet, but it does seem to take the edge off things nicely.

    Quote Originally Posted by Albacore View Post
    Awesome bike, just trim the saddle.
    Quote Originally Posted by lowes48 View Post
    I'm diggin' the Brooks saddle (I also ride one on my Kona Unit!), but the cut-down version would look awesome! Nice bike!
    Thanks guys. I'm digging the saddle as is. It's already comfortable, and I think it looks fine. Besides, with as much as I paid for that saddle, I can't bring myself to take a scalpel to it.
    "It's easy to grin, when your ship comes in, and you've got the stock market beat; but the man worth while, is the man who can smile, when his shorts are too tight in the seat.'"

    -- Judge Smails

  25. #25
    Ovaries on the Outside
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    Nah, my hate for the Brooks is not aesthetic basis. I had one on monocog for maybe three rides and the saddle proved to be hard to get behind on anything steep, on bumpy ****, all the metal bits bruised the **** out of my legs and if I had to do trail-side repair or crashed, the saddle got all scratched up.

    I realize other regions may not have the same hurdles as myself, so... enjoy it.

  26. #26
    ridin' Mary
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    Awesome new bike. I've also been on the same fence for 2+ years. Maybe this is the year...

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