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PostPosted: Mon May 01, 2017 6:40 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider
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Joined: Mon Feb 11, 2008 12:03 pm
Posts: 6361
Location: held captive by baby haggis in a cave in Scotland
Kona looks great in all guises :)

Jamie


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PostPosted: Mon May 15, 2017 2:21 am 
Dirt Disciple
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Joined: Thu Apr 20, 2017 5:38 am
Posts: 21
Surly 1X1 update:

(Next project in the background: 1998 Marin Pine Mountain)

Image
Image


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PostPosted: Thu Jun 01, 2017 9:22 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider
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Joined: Mon Feb 11, 2008 12:03 pm
Posts: 6361
Location: held captive by baby haggis in a cave in Scotland
A couple of pics from last weekends Singlespeed European Champs SSEC2017.
The three of us from the macretro section of Retrobike.
These were taken from the facebook page of the race. Courtesy of Mark Winterbottom.

Velomanic - Homemade machine based around a modified Gazelle roadster frame
Image18738510_1374881259224233_1674588582187874935_o by Jamie Dyer, on Flickr

Epicyclo - 1X1
Image18814806_1374885575890468_594447715505474999_o by Jamie Dyer, on Flickr

Myself - 1X1
Image18768318_1374879589224400_8249934132184959544_o by Jamie Dyer, on Flickr


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 Post subject: Re:
PostPosted: Thu Aug 24, 2017 7:53 am 
retrobike rider
retrobike rider
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Joined: Tue Dec 21, 2010 10:03 pm
Posts: 1411
Location: Birkenhead
Morning chaps,

I'm about to join this band of ne'er-do-wells by SS'ing my P7 :D

Gathering all the bits together at the moment and just taken delivery of a Surly Singleator - I'll be initially running a 32:16 combo so would it be better for it to be in push up or push down mode?

Also, don't know whether this matters but my P7 has a E-type front mech and as this is going will I need a "normal" BB rather than my current one which obviously accommodates the FM?

I'll be using my m737 cranks (compact 5 bolt 94bcd) and can only find a 32t Surly chainring which will fit - any other ones available in this size other than surly?

Thanks
Matty :D


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PostPosted: Thu Aug 24, 2017 9:26 am 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider
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Joined: Mon Feb 11, 2008 12:03 pm
Posts: 6361
Location: held captive by baby haggis in a cave in Scotland
I run a 1 x 1 and a Pugsley for years but originally on my Stumpjumper I ran the singulator with it pushing up as it gives a bit more chain contact on the rear cog and especially with the 32/16, which is what I run as well. I think it comes with the push down spring from memory so you might have to buy the push up spring. They work great and I use one on my Big Dummy which runs and Alfine 8. They are pretty tough bits of kit and I still have my original one from back in 2008/2009.
I think you can just take the front mech off and tighten the BB or fit a washer the same width. As long as you line the chain with the rear your fine.
I still run an old 5 bolt LX ctrank on my 1 x 1 and chain rings are a pain as there isn't much about. I have used middleburn and Surly. The Surly is stainless and lasts forever so while it is expensive, it will even out over time. I have found the middleburn getting harder and harder to find these days.
Hope this helps and look forward to seeing your P7, will make a great SS'er for sure.

Jamie


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 Post subject: Re:
PostPosted: Thu Aug 24, 2017 10:01 am 
retrobike rider
retrobike rider
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Joined: Tue Dec 21, 2010 10:03 pm
Posts: 1411
Location: Birkenhead
Thanks Jamie- some great help there.

Singleator came with both springs and tool and is currently in push up mode.

Daft Q: being compact, is a 32/16t on a 94bcd just the same as a 32/16 on a 110bcd?


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PostPosted: Thu Aug 24, 2017 10:58 am 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider
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Joined: Mon Feb 11, 2008 12:03 pm
Posts: 6361
Location: held captive by baby haggis in a cave in Scotland
The 32 16 is the same on both.
Good your singulator came with both as I had to buy a push up spring for mine.

Jamie


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 Post subject: Re:
PostPosted: Thu Aug 24, 2017 12:49 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider

Joined: Thu May 06, 2010 10:05 pm
Posts: 7539
Location: Aberdeen
You could just leave the front mech on there and adjust the high/low screws to keep it clear of the chain..
Or take it off altogether, you'll probably have room to wind the BB in a few threads so it's flush with the frame.
Think a push "up" tensioner is supposed to be "better", but I never noticed any difference tbh.


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PostPosted: Thu Aug 24, 2017 1:02 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider
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Joined: Mon Feb 11, 2008 12:03 pm
Posts: 6361
Location: held captive by baby haggis in a cave in Scotland
A push up on a small cog like a sixteen will just give the links a bit more contact.


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PostPosted: Fri Aug 25, 2017 2:12 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider

Joined: Sun Sep 04, 2011 11:33 am
Posts: 3247
Location: Riding my Woodsie.
Jamiedyer wrote:
A push up on a small cog like a sixteen will just give the links a bit more contact.


More contact between chain and cog is always better than less if you like your 'nads where they are!


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