New project: Repco Superlight single speed conversion

The place for fixies and other rides without gears

Postby winona_rider » Thu Aug 14, 2008 7:31 pm

Jr Dacks wrote:53/18 is a big gear for a single speed, im running 50/18 on mine and thinking about dropping it down a touch but see how you go with it anyway.

I love the fenders 8)


yeah - by sheldon that works out at 79 inches if you run 27" rims or just a tad less if 700c.
i'm running just over 80 inches atm and wow - i dunno how long i can do it! too many big hills and hill starts.

75 seems perfect i think. i can still spin at 130 or so and get up to around 50ks per hour. i just look like a goose doin it.
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by BNA » Thu Aug 14, 2008 7:44 pm

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Postby vitualis » Thu Aug 14, 2008 7:44 pm

Jr Dacks wrote:53/18 is a big gear for a single speed, im running 50/18 on mine and thinking about dropping it down a touch but see how you go with it anyway.

I love the fenders 8)


Yeah, it's a pretty big gear but my usual commute from Surry Hills to Glebe is relative flat and I wanted to avoid buying a new chainring if possible (and I couldn't find a 19T or 20T cog as cheaply as I did for the rather good quality Shimano DXR 18T. I've tried it out using that gear combination on my other bikes without much difficulty.

Fenders... I consider them a practical solution. :wink: I think the SKS fenders look pretty sharp but admittedly, they are going nowhere near the Colnago. :lol:

Cheers.
Michael Tam
Photos: Michael's bicycle obsession
2009 Pegoretti Responsorium Ciavete Custom :: 1982/3 Colnago Super :: 2006 Cannondale Six13 Pro :: Late 1980s Repco Superlite
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Postby vitualis » Mon Sep 08, 2008 12:05 pm

The project is complete!

The last thing I needed (the stem) arrived the day before I was going NZ for 2 weeks... Got back to Sydney yesterday and finally completed the build! Went for a test ride today and everything is working well!

With the single speed drive train and the 105 freehub, this bike is evilly silent... :twisted:

Annoyingly, I discovered that the seat post is 26.8 mm diameter (I think) and is on the short side. I've got it up as high as I dare... still fits okay.

Image

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Cheers!
Michael Tam
Photos: Michael's bicycle obsession
2009 Pegoretti Responsorium Ciavete Custom :: 1982/3 Colnago Super :: 2006 Cannondale Six13 Pro :: Late 1980s Repco Superlite
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Postby h3ndry » Mon Sep 08, 2008 12:59 pm

Looks awesome mate, especially nice work on the bars. What levers are they?

And did you have to redish the rear wheel after spacing?

Good work.
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Postby kukamunga » Mon Sep 08, 2008 4:09 pm

Nice. White lug highlights are the icing on the cake, IMHO! I've got a use now for all those dozens of Humbrol model paints I've got stored away somewhere.... :roll:
God save the ABC & SBS.....
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Postby vitualis » Mon Sep 08, 2008 4:15 pm

They are ITM Low Pro/TT brake levers: http://www.ribblecycles.co.uk/productde ... 0000000000

As for the rear wheel, it has a modern 10-speed 105 hub. It was the wheel originally from my Colnago (that I replaced recently with a TWE wheelset). I used spacers to "convert" it to a single speed wheel.

Cheers.
Michael Tam
Photos: Michael's bicycle obsession
2009 Pegoretti Responsorium Ciavete Custom :: 1982/3 Colnago Super :: 2006 Cannondale Six13 Pro :: Late 1980s Repco Superlite
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Postby vitualis » Sat Oct 25, 2008 10:03 am

Finally got a replacement 26.8 mm seatpost as the original was much too short. When putting the new one in I stripped the thread of the somewhat rusty seatpost binder bolt... :oops:

I've now got the seatpost in place with a bolt, nut and couple of washers. A bit inelegant but it works.

Cheers.
Michael Tam
Photos: Michael's bicycle obsession
2009 Pegoretti Responsorium Ciavete Custom :: 1982/3 Colnago Super :: 2006 Cannondale Six13 Pro :: Late 1980s Repco Superlite
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Postby familyguy » Thu Oct 30, 2008 11:28 am

Binder bolts not that exxy, surely?

The bike looks nice. Does the single cog on the spaced cassette feel lopsided at all? Reason I ask is that I'm debating about getting a set of cheap road cassette wheels and doing the same thing (cheaper, faster, easier to change ratios).

Jim
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Postby vitualis » Thu Oct 30, 2008 11:40 am

familyguy wrote:Does the single cog on the spaced cassette feel lopsided at all? Reason I ask is that I'm debating about getting a set of cheap road cassette wheels and doing the same thing (cheaper, faster, easier to change ratios).


No, it feels and rides fine.

Cheers.
Michael Tam
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2009 Pegoretti Responsorium Ciavete Custom :: 1982/3 Colnago Super :: 2006 Cannondale Six13 Pro :: Late 1980s Repco Superlite
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Postby Endo » Thu Oct 30, 2008 2:00 pm

Jr Dacks wrote:53/18 is a big gear for a single speed, im running 50/18 on mine and thinking about dropping it down a touch but see how you go with it anyway.

I love the fenders 8)


I'm ran 51/18 for 100kms in the Around the Bay ride in Melb and I found it fine. Sure, on one of the hills I was out of the saddle for about 1km -- honking the hell out of it, but the rest of the ride was fine on that ratio!

PS: The bike's look great! Love the fluted seatpost too! Is there anyway you can ditch the DMR tensioner?
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Postby vitualis » Thu Oct 30, 2008 6:26 pm

Unfortunately, had to give the seatpost away... it was just too darn short. As for the chain tensioner, it's a must. This model Repco Superlight doesn't have any fore-aft adjustability with regards to the rear axle.

Cheers.
Michael Tam
Photos: Michael's bicycle obsession
2009 Pegoretti Responsorium Ciavete Custom :: 1982/3 Colnago Super :: 2006 Cannondale Six13 Pro :: Late 1980s Repco Superlite
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Postby Endo » Fri Oct 31, 2008 9:00 am

vitualis wrote:Unfortunately, had to give the seatpost away... it was just too darn short. As for the chain tensioner, it's a must. This model Repco Superlight doesn't have any fore-aft adjustability with regards to the rear axle.

Cheers.


'magic ratio' ;)

You can make minor adjustments by changing the front chainring tooth-count to take up the slack without affecting your gear-inches dramatically...
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Postby kukamunga » Fri Oct 31, 2008 10:09 am

vitualis wrote:This model Repco Superlight doesn't have any fore-aft adjustability with regards to the rear axle

Do your dropouts look like the drive-side one on this frame?
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Re: New project: Repco Superlight single speed conversion

Postby gracie » Mon Jun 07, 2010 8:41 pm

vitualis wrote:Unfortunately, had to give the seatpost away... it was just too darn short. As for the chain tensioner, it's a must. This model Repco Superlight doesn't have any fore-aft adjustability with regards to the rear axle.



Cheers.



Is the seatpost still being used? I've come across another Repco Superlite but the original seatpost has been replaced with a black one and I would like to get another silver one.
Cheers
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Re: New project: Repco Superlight single speed conversion

Postby Roc_Doc » Thu Jun 24, 2010 9:45 pm

Bravo, Brilliant stuff. I have a superlite that I am goinf to givesimilar treatment to. One question though, Could I fit a wider wheel to that bike? I like the frame but I would like somefatter tyres if at all possible. I am in the upper hunter valley andthe roads around here are fairly lumpy and bumpy.

Also, what sort of grease did you use on the headset?
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Re: New project: Repco Superlight single speed conversion

Postby vitualis » Thu Jun 24, 2010 10:30 pm

You'll be able to put on 25 mm and probable 28 mm tyres on the back... there wouldn't be much more room than that.

As for the headset, I just used a pretty ordinary Michelin branded bicycle grease. It works well and the bike's gone through 3000+ km, including in heavy rain without issue.

Cheers.
Michael Tam
Photos: Michael's bicycle obsession
2009 Pegoretti Responsorium Ciavete Custom :: 1982/3 Colnago Super :: 2006 Cannondale Six13 Pro :: Late 1980s Repco Superlite
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Re: New project: Repco Superlight single speed conversion

Postby .isaac. » Sat Sep 04, 2010 8:20 am

Paint the Bike!
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Re: New project: Repco Superlight single speed conversion

Postby nathann » Sat Sep 04, 2010 6:46 pm

The blue frame and white back end go together so well!
Looks sweet, how much did you end up spending on it?
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Re: New project: Repco Superlight single speed conversion

Postby vitualis » Sat Sep 04, 2010 8:18 pm

...

I originally did this project in 2008.

I've actually since converted the Repco into my commuter/light touring/wet weather bike.
Image

Cheers.
Michael Tam
Photos: Michael's bicycle obsession
2009 Pegoretti Responsorium Ciavete Custom :: 1982/3 Colnago Super :: 2006 Cannondale Six13 Pro :: Late 1980s Repco Superlite
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Re: New project: Repco Superlight single speed conversion

Postby .isaac. » Sun Sep 05, 2010 6:05 am

I think it would look good in a solid color like blue, white, or black.
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Re:

Postby BLU_FZ! » Sun Sep 05, 2010 6:51 am

What is that fitting bellow the top lug on the head tube?????????????????pump peg


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Re: New project: Repco Superlight single speed conversion

Postby europa » Sun Sep 05, 2010 11:40 am

While I can't approve of the addition of unnecessary gears and associated paraphanalia :twisted: I would be wary of painting her. Those tradional paint jobs are becoming rarer and if it's still doing it's job of protecting the frame, I'd keep it.

You've done a nice, tasteful job of converting her back though. Are they Campy bits? The metal mudguards are a good touch too - nice and close fit and the colour makes them seem part of the whole rather than an add on. I must confess to liking mudguards on a wet road and the Europa wore them for many years.

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Re: Re:

Postby brauluver » Sun Sep 05, 2010 9:21 pm

BLU_FZ! wrote:What is that fitting bellow the top lug on the head tube?????????????????pump peg





Yep... Bang on 8)
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Re:

Postby Stovepipe » Tue Sep 07, 2010 9:01 pm

vitualis wrote:The project is complete!
Image
!


2years too late but I think you put the chain on the wrong side of the tensioner..?
all the ones ive seen have it like this
Image

oh well doesnt matter now :? ha
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Re: New project: Repco Superlight single speed conversion

Postby vitualis » Wed Sep 08, 2010 5:49 am

Actually, the chain tensioner didn't fit the frame properly so I had to jury rig just a part of it onto the frame. In any case, with testing the way I eventually put it on (in the photo) worked better insofar it provided more even tension with bumps (i.e., with the chain bouncing).

Cheers.
Michael Tam
Photos: Michael's bicycle obsession
2009 Pegoretti Responsorium Ciavete Custom :: 1982/3 Colnago Super :: 2006 Cannondale Six13 Pro :: Late 1980s Repco Superlite
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