2-speed Allez Conversion w/pics
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2-speed Allez Conversion w/pics
Allez as Road Bike:
- bought a used 2003 Specialized Allez Sport 27 two years ago to get in shape... bike has been a lot of fun and didn't cost an arm and a leg... here's what the bike looked like then after my initial work:
Allez as 2-speed:
- alas, the bottom bracket and cranks finally bit the dust after my meaty hams pounded 'em for 2,000 miles (unknown mileage on bike to begin with)... i've liked my ss/fixie experience on a cheap Dawes over the past year, so i decided to convert the Allez... here's what it looks like now:
- note that i ended up using a Surly tensioner (the new version)... although i found that a 42 chainring and 18 cog worked w/my chain w/no tensioner, i decided i wanted a tad more flexibility than just one speed... riding terrain is flat around here, but some days these old knees want to spin a little faster with less effort...
- the result is that i put two chainrings, a 39 and a 42, up front, recycling the 42 from the old crankset:
- btw, it really sucks that Shimano doesn't make its chainring nuts (on rear of chainring bolts) just a tad shallower - that way, it would be *super* easy to convert the crankset to a single crank... otherwise, the chainring bolts don't hold a single chainring solidly on the spider... (i thought about grinding the nuts or using a spacer - i think bikeman.com sells spacer bolt sets, IIRC)...
- anyhow, i then put two cogs on the freehub, an 18 and a 16, mixing Gusset and Nashbar singlespeed kit spacers:
- i initially did try just a single cog, but the Gusset singlespeed kit spacers with a single cog were too loose on the freehub! BAD!!! i'd be ticked off if i had ordered this kit with the intention on using it on this bike (dunno if the spacers are off on all 9spd Shimano freehubs or not)...
- by using a thin Nashbar spacer, the chainline lines up nicely for the 39/18 or 42/16 combos, and i can easily swap between an easy spin or faster ride with a simple chain move and tensioner readjustment on the trail:
- ditching the extraneous equipment on the bike felt good... but i still kept two brakes and went with a pair of Nashbar oversized in-line levers (which work just fine as standalone levers, btw)...
- hope this helps anyone contemplating a similar setup....
- bought a used 2003 Specialized Allez Sport 27 two years ago to get in shape... bike has been a lot of fun and didn't cost an arm and a leg... here's what the bike looked like then after my initial work:
Allez as 2-speed:
- alas, the bottom bracket and cranks finally bit the dust after my meaty hams pounded 'em for 2,000 miles (unknown mileage on bike to begin with)... i've liked my ss/fixie experience on a cheap Dawes over the past year, so i decided to convert the Allez... here's what it looks like now:
- note that i ended up using a Surly tensioner (the new version)... although i found that a 42 chainring and 18 cog worked w/my chain w/no tensioner, i decided i wanted a tad more flexibility than just one speed... riding terrain is flat around here, but some days these old knees want to spin a little faster with less effort...
- the result is that i put two chainrings, a 39 and a 42, up front, recycling the 42 from the old crankset:
- btw, it really sucks that Shimano doesn't make its chainring nuts (on rear of chainring bolts) just a tad shallower - that way, it would be *super* easy to convert the crankset to a single crank... otherwise, the chainring bolts don't hold a single chainring solidly on the spider... (i thought about grinding the nuts or using a spacer - i think bikeman.com sells spacer bolt sets, IIRC)...
- anyhow, i then put two cogs on the freehub, an 18 and a 16, mixing Gusset and Nashbar singlespeed kit spacers:
- i initially did try just a single cog, but the Gusset singlespeed kit spacers with a single cog were too loose on the freehub! BAD!!! i'd be ticked off if i had ordered this kit with the intention on using it on this bike (dunno if the spacers are off on all 9spd Shimano freehubs or not)...
- by using a thin Nashbar spacer, the chainline lines up nicely for the 39/18 or 42/16 combos, and i can easily swap between an easy spin or faster ride with a simple chain move and tensioner readjustment on the trail:
- ditching the extraneous equipment on the bike felt good... but i still kept two brakes and went with a pair of Nashbar oversized in-line levers (which work just fine as standalone levers, btw)...
- hope this helps anyone contemplating a similar setup....
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New Life for an Old Dog - Specialized Crossroads conversion
Pengie: TITANIUM BIKE CLUB #004
New Life for an Old Dog - Specialized Crossroads conversion
Pengie: TITANIUM BIKE CLUB #004
Last edited by linux_author; 12-16-06 at 04:16 PM.
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Looks like a lot of thought went into this set up. Nice work.
I have a question about your singleator.
How did you decide to use the "push down" position as opposed to the "push up" position?
And where did you buy it? And how do you know you're getting the "new" version? thanks!
I have a question about your singleator.
How did you decide to use the "push down" position as opposed to the "push up" position?
And where did you buy it? And how do you know you're getting the "new" version? thanks!
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03 Specialized Allez CrMo-Singlespeed conversion
03 Specialized Allez CrMo-Singlespeed conversion
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very unique. so do you have to move the chain by hand each time you want to change gears? with2 chain rings and 2 cogs in back it ends up being a 4 speed. if it were me, i woulda just gone with one chainring in the front and kept multiple gears in the back, but that wouldn't be as original as what you have.
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Originally Posted by dekalbSTEEL
Looks like a lot of thought went into this set up. Nice work.
I have a question about your singleator.
How did you decide to use the "push down" position as opposed to the "push up" position?
And where did you buy it? And how do you know you're getting the "new" version? thanks!
I have a question about your singleator.
How did you decide to use the "push down" position as opposed to the "push up" position?
And where did you buy it? And how do you know you're getting the "new" version? thanks!
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New Life for an Old Dog - Specialized Crossroads conversion
Pengie: TITANIUM BIKE CLUB #004
New Life for an Old Dog - Specialized Crossroads conversion
Pengie: TITANIUM BIKE CLUB #004
Last edited by linux_author; 12-16-06 at 02:25 PM.
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Originally Posted by vinnydelnegro
very unique. so do you have to move the chain by hand each time you want to change gears? with2 chain rings and 2 cogs in back it ends up being a 4 speed. if it were me, i woulda just gone with one chainring in the front and kept multiple gears in the back, but that wouldn't be as original as what you have.
:-)
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New Life for an Old Dog - Specialized Crossroads conversion
Pengie: TITANIUM BIKE CLUB #004
New Life for an Old Dog - Specialized Crossroads conversion
Pengie: TITANIUM BIKE CLUB #004
Last edited by linux_author; 12-16-06 at 03:06 PM.
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Originally Posted by linux_author
- tks... seemed like the chainstay, dropout and derailleur hanger angles were in the way of the 'push up' position... got the Surly unit from jensonusa.com (US$37)... the 'older' version of the Surly, AFAIK, kinda looks like Nashbar's tensioner with the single metal chainloop... Jenson sells a Singleator 'upgrade' for US$14, which consists of the caged pulley... just pull off the old pulley and slide the new pulley and cage on...
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03 Specialized Allez CrMo-Singlespeed conversion
03 Specialized Allez CrMo-Singlespeed conversion
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Its a nice looking conversion. Why did you get rid of the drop levers? It would seem that for a bike like yours, the extra hand position would be nice and it would be easier to get to the brakes unless you only ride on the tops.
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Sintesi Conversion Serotta Track
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Originally Posted by sivat
Its a nice looking conversion. Why did you get rid of the drop levers? It would seem that for a bike like yours, the extra hand position would be nice and it would be easier to get to the brakes unless you only ride on the tops.
p.s. great looking Nishiki!
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New Life for an Old Dog - Specialized Crossroads conversion
Pengie: TITANIUM BIKE CLUB #004
New Life for an Old Dog - Specialized Crossroads conversion
Pengie: TITANIUM BIKE CLUB #004
Last edited by linux_author; 12-16-06 at 03:46 PM.
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I can understand getting rid of the brifters, but I just like the feel of drop levers on long rides. I have a set of older brake levers with no shifters. On the other hand, far be it from me to change what works for you.
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Nice. That's the same setup that the White Industries Dos freewheel and Dos crankset are supposed to provide, a 2-speed with perfect chainline for each. Nice job.
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Nice job. Looks unique enough that everyone'll be asking about your bike now.
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#12
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Originally Posted by jyossarian
Nice job. Looks unique enough that everyone'll be asking about your bike now.
:-)
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Originally Posted by linux_author
- tks, but hey, it's only a low-end road bike... this project was done on the cheap, nothing like some of the works-of-art ss/fixie vintage steel rides i've seen posted here [drool!] (and man, those Paul and White Industry components are pricey!)...
:-)
:-)
anyways, thats a nice setup you got there. very crafty.
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It looks SOOOOO much better now. Great work.
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