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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 12-01-06, 10:49 AM   #1
kbjack
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fitties fat fine

I'm in the process of converting the surly steamroller into an offroad ss. This small bit of rant is really intended for posterity's sake and not a trueblue whine:

1) fff should in reality be: fffusu700x35cfuycfsbcbw (fatties fail to fit unless something under 700x35mm counts as fatty and unless you can find something besides a caliper brake to work). Honestly, there is no way to get any kind of adequate clearance in the front with a caliper brake and 35mm tires. I am running fairly narrow rims (cxp22 in front, open pro in rear) but nothing outlandish. And in the back, with the rear axle squarely in the center of the drop out, there is less than 2mm of clearance between the tire and the seat tube. I'm going to try out some 30mm tires today and see how they work--but these are hardly "fatty." Or if they are, they're like "new Ricki"-fatty and not "Hairspray Ricki"-fatty.

2) I would not be doing this except for wanting to breathe new life into a neglected bike. I you're considering the ss route, look into other Surly makes, ones with cantilever bosses and longer chainstays.

3) That said, I still think this bike is going to look pretty dang cool when it's done.

Speaking of which: right now I have some old 3-spd mustache bars on it. These were taken off a Raleigh Robin Hood cruiser and have several deep gouges that I'm a little leery of. But the nice thing about them is they're short (no need to chop) and flared (not straight back like nittos). Anyone know where I can find a replacement set with these specs?

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Old 12-01-06, 10:51 AM   #2
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Goddamnit. I just ordered a Steamroller frame for that exact reason. We'll see how it works with my wheel/tire combo.
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Old 12-01-06, 10:57 AM   #3
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re: the bars-
nashbar, 14 bucks.
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Old 12-01-06, 11:08 AM   #4
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Quote:
Originally Posted by jaypee
Goddamnit. I just ordered a Steamroller frame for that exact reason. We'll see how it works with my wheel/tire combo.
I know people on the forums (soze) have had success using wider rims--this means less vertical and more lateral 'puff' to the tire. This would be a definite gain in terms of clearance. Don't despair, it's still a very nice frame and you can still make it work.

My lbs also has a Long Haul Trucker fork for sale (I could probably get it for around $20--they're having a sale and what bike store needs an LHT fork?). This could be another way of getting around the caliper clearance issue. I will probably go with the build as-is, though I keep thinking about buying that fork. I just can't see running a canti brake in front and a caliper in back. Plus there's the color mismatch thing. Though I kind of like the idea of having a Surly frankenbike.
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Old 12-01-06, 11:09 AM   #5
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tire-seat tube clearance is more a problem of gearing choice than frame size. And 35's really are fatties as far as road bikes are concerned. It's a steamroller, not a crosscheck.
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Old 12-01-06, 04:22 PM   #6
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Originally Posted by Aeroplane
It's a steamroller, not a crosscheck.
Exactly.
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Old 12-01-06, 04:34 PM   #7
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How the hell can you call a bike a 'steamroller' and then limit it to tiny-ass 700x35 tires?

Even the monkey's got issues with truly fat tires.

I weep, surly.
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Old 12-01-06, 04:37 PM   #8
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hmmmm.
just last weekend I saw a steamroller with 37c and brakes. granted there was virtually no clearance left, the wheels still spun. and they were just regular-old long reach brakes

maybe you just need bigger calipers. tekro R556's perhaps?
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Old 12-01-06, 06:29 PM   #9
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I think 35mm tires are pretty fat for a track bike. Why not get a crosscheck or a karate monkey?
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Old 12-01-06, 07:12 PM   #10
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The 1x1 allows 2.7 in tires. The monkey supposedly has clearance larger than any mass-produced 29" tire.

And there's always the pugsley. 4" tires!
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Old 12-01-06, 07:22 PM   #11
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Quote:
Originally Posted by get_nuts
The 1x1 allows 2.7 in tires. The monkey supposedly has clearance larger than any mass-produced 29" tire.
The monkey won't take my 700x60 big apples. Well, the frame will, sort of. It's just a matter of the tire rubbing the front derailleur clamp, which is kind of a bummer. It's also kind of a bummer that the tires catch on the v-brake straddle cables.

Until I go disc, there's no way I can run these tires on the monkey.
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Old 12-01-06, 07:24 PM   #12
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yeah, I'm just going by what Surly says fits.

Fat tires are fun.
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Old 12-01-06, 10:29 PM   #13
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Quote:
Originally Posted by jim-bob
The monkey won't take my 700x60 big apples. Well, the frame will, sort of. It's just a matter of the tire rubbing the front derailleur clamp, which is kind of a bummer. It's also kind of a bummer that the tires catch on the v-brake straddle cables.

Until I go disc, there's no way I can run these tires on the monkey.
Is that even with monkeynuts (the dropout spacers that Surly sells)?
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Old 12-01-06, 10:54 PM   #14
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Quote:
Originally Posted by el-cid
Is that even with monkeynuts (the dropout spacers that Surly sells)?

I toyed around with building a Crosscheck for awhile and eventually decided on a KM. I wanted a "do everything" bike, but then I realized that I didn't have a fat tired geared mtb. Looks like it could handle 2.4", maybe even 2.5" in the rear.

As a geared bike you need to run the QR wheels up at the end of the dropout; I indeed had rub against my traditional bottom pull derailleur without the monkey nuts. but no problems after I added 'em.

I think it's gonna become a 1x9 before long, though, so I'm not worried.

For fixed / ss...pull the wheel back a tad and there's plenty of room.
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Old 12-02-06, 06:33 AM   #15
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Surly has an article about the KM derailleur problems on their site.
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Old 12-02-06, 09:31 AM   #16
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Quote:
Originally Posted by Aeroplane
Surly has an article about the KM derailleur problems on their site.
yeah, did you try replacing the anchor bolt on the derailleur?
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Old 12-02-06, 11:35 AM   #17
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Quote:
Originally Posted by jim-bob
The monkey won't take my 700x60 big apples. Well, the frame will, sort of. It's just a matter of the tire rubbing the front derailleur clamp, which is kind of a bummer. It's also kind of a bummer that the tires catch on the v-brake straddle cables.

Until I go disc, there's no way I can run these tires on the monkey.
So it fits in the frame fine, but rubs on the front deraill. clamp. It sounds like fatties fit fine. What are you doing with a front deraill. anyway this the SS/FG forum? The Karate Monkey can fit the biggest 29er tires available now without any problem. The biggest nobby tire option right now is the WTB Weirwolf 2.55 mounted on the fattest rims available, Kris Holm.
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Old 12-02-06, 11:38 AM   #18
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Quote:
Originally Posted by WakeUpOnFire
yeah, did you try replacing the anchor bolt on the derailleur?
Using monkey nuts and replacing the derailleur clamp bolt buys me that clearance, but I'm still rubbing on straddle cables.

Like I said: these tires won't do me any good until/unless I move to discs.
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Old 12-02-06, 01:42 PM   #19
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Quote:
Originally Posted by jim-bob
Using monkey nuts and replacing the derailleur clamp bolt buys me that clearance, but I'm still rubbing on straddle cables.

Like I said: these tires won't do me any good until/unless I move to discs.
why not v-brakes?
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Old 12-02-06, 05:32 PM   #20
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straddle cables!
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Old 12-02-06, 07:22 PM   #21
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Quote:
Originally Posted by jim-bob
Like I said: these tires won't do me any good until/unless I move to discs.
Get with the 21st century, yo. Disc brakes are the best thing to happen to mountain bikes since the threadless stem.
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Old 12-03-06, 09:10 AM   #22
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Quote:
Originally Posted by kbjack
1) fff should in reality be: fffusu700x35cfuycfsbcbw (fatties fail to fit unless something under 700x35mm counts as fatty and unless you can find something besides a caliper brake to work). Honestly, there is no way to get any kind of adequate clearance in the front with a caliper brake and 35mm tires. I am running fairly narrow rims (cxp22 in front, open pro in rear) but nothing outlandish. And in the back, with the rear axle squarely in the center of the drop out, there is less than 2mm of clearance between the tire and the seat tube. I'm going to try out some 30mm tires today and see how they work--but these are hardly "fatty." Or if they are, they're like "new Ricki"-fatty and not "Hairspray Ricki"-fatty.
I'm running 35mm panaracer t-servs on my steamroller. The LBS used a Shimano BR-A550 caliper brake for my front brake. It was supposedly one of the only brakes listed in the quality parts book that fit the requirements for reach on this frame and did not cost a small fortune (they can be purchased as singles, not as a set). There is decent clearance between tire and caliper.

The rear tire is another story. It fits just fine, with maybe 2-3mm of clearance on the seattube and 1-2mm or so of clearance on the brake boss. The hub sits about middle of the track-ends. It fits, but it is very close tolerance. Surly claims these frame can fit up to 38mm... I guess it really depends on the tire? Alex DM18 rims, for what it's worth... 62cm frame.
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Old 12-03-06, 08:06 PM   #23
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I am running 35mm WTB allterreainisaursssss tires on my surly and I have a ton of room in the front and a few millimeters on the back but It wouldnt be that way if i didnt run the wheel slammed.
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Old 12-03-06, 10:21 PM   #24
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Quote:
Originally Posted by get_nuts
The 1x1 allows 2.7 in tires. The monkey supposedly has clearance larger than any mass-produced 29" tire.

And there's always the pugsley. 4" tires!
Monster truck madness!!!!
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Old 12-04-06, 07:07 AM   #25
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besides the pugsley, which surly takes the biggest tires practically? i would thnk the 1x1.
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