Hi there, I've been doing a little work on my old Serotta and I'm interested in changing/upgrading its current crankset. I bought this bike used a year or two ago, and little is known about its current cranks, except that the non drive-side arm has a tendency to work its way loose after 30 or so miles (i think it may have been overtightened at one point, damaging the arm where it attaches to the BB axle). I have had a lot of trouble finding a good shimano square taper crankset to match the White Industries BB which I'd rather not ditch in favor of a newer octalink BB (sentimental value; white no longer manufactures BBs). Recently, I came across a '7-speed sis' 600 crankset, and I am wondering if it will be at all compatible w/ my current setup. AFAIK, the drive train is full DA circa 1997. I'm pretty sure it can't be earlier because it is 9-speed, but I'm assuming it is pretty old as the DA logo on the rear derailleur is a black rectangle with white DA text, much different from the '06 DA groupo on my felt. I read about 'skating' on Sheldon Brown's site and I am concerned about this and any other issues that might result from this pairing. Both the current and the 600 chainrings are 55/39; I'm also wondering if it would be possible to put the old chainrings (or at least the 39) on the 600 cranks to alleviate problems. Any thoughts? Is this even possible? I would be very grateful for any advice you could offer. Thanks!
Hi there, I've been doing a little work on my old Serotta and I'm interested in changing/upgrading its current crankset. I bought this bike used a year or two ago, and little is known about its current cranks, except that the non drive-side arm has a tendency to work its way loose after 30 or so miles (i think it may have been overtightened at one point, damaging the arm where it attaches to the BB axle). I have had a lot of trouble finding a good shimano square taper crankset to match the White Industries BB which I'd rather not ditch in favor of a newer octalink BB (sentimental value; white no longer manufactures BBs). Recently, I came across a '7-speed sis' 600 crankset, and I am wondering if it will be at all compatible w/ my current setup. AFAIK, the drive train is full DA circa 1997. I'm pretty sure it can't be earlier because it is 9-speed, but I'm assuming it is pretty old as the DA logo on the rear derailleur is a black rectangle with white DA text, much different from the '06 DA groupo on my felt. I read about 'skating' on Sheldon Brown's site and I am concerned about this and any other issues that might result from this pairing. Both the current and the 600 chainrings are 55/39; I'm also wondering if it would be possible to put the old chainrings (or at least the 39) on the 600 cranks to alleviate problems. Any thoughts? Is this even possible? I would be very grateful for any advice you could offer. Thanks!
If your White is a Ti spindle model you should seriously reconsider.
A left arm is cheap - they are a commodity - if that is your only immediate concern. The rings are probably not the only difference; the spider's tab between the rings is likely thinner on the later model DA right arm. Measure that first.
Finally, the spindle length will likely be different for the two cranks. White's BB sets have a somewhat adjustable spacing but not infinitely! -- Andrew Muzi www.yellowjersey.org Open every day since 1 April, 1971
Hi there, I've been doing a little work on my old Serotta and I'm interested in changing/upgrading its current crankset. I bought this bike used a year or two ago, and little is known about its current cranks, except that the non drive-side arm has a tendency to work its way loose after 30 or so miles (i think it may have been overtightened at one point, damaging the arm where it attaches to the BB axle). I have had a lot of trouble finding a good shimano square taper crankset to match the White Industries BB which I'd rather not ditch in favor of a newer octalink BB (sentimental value; white no longer manufactures BBs). Recently, I came across a '7-speed sis' 600 crankset, and I am wondering if it will be at all compatible w/ my current setup. AFAIK, the drive train is full DA circa 1997. I'm pretty sure it can't be earlier because it is 9-speed, but I'm assuming it is pretty old as the DA logo on the rear derailleur is a black rectangle with white DA text, much different from the '06 DA groupo on my felt. I read about 'skating' on Sheldon Brown's site and I am concerned about this and any other issues that might result from this pairing. Both the current and the 600 chainrings are 55/39; I'm also wondering if it would be possible to put the old chainrings (or at least the 39) on the 600 cranks to alleviate problems. Any thoughts? Is this even possible? I would be very grateful for any advice you could offer. Thanks!
If your White is a Ti spindle model you should seriously reconsider.
A left arm is cheap - they are a commodity - if that is your only immediate concern. The rings are probably not the only difference; the spider's tab between the rings is likely thinner on the later model DA right arm. Measure that first.
Finally, the spindle length will likely be different for the two cranks. White's BB sets have a somewhat adjustable spacing but not infinitely! -- Andrew Muziwww.yellowjersey.org Open every day since 1 April, 1971
I see that there have been a number of complaints concerning the Ti spindled white BB; mine, I'm fairly sure is steel, and i haven't had many problems with it. I suppose I will ultimately have to get a newer BB as square taper becomes increasingly rare.
Can you recommend a good source for 'vintage' crank arms (preferably 172.5)? Do I need to worry about spindle length for a left arm, or just for the right? Thanks again!
Hi there, I've been doing a little work on my old Serotta and I'm interested in changing/upgrading its current crankset. I bought this bike used a year or two ago, and little is known about its current cranks, except that the non drive-side arm has a tendency to work its way loose after 30 or so miles (i think it may have been overtightened at one point, damaging the arm where it attaches to the BB axle). I have had a lot of trouble finding a good shimano square taper crankset to match the White Industries BB which I'd rather not ditch in favor of a newer octalink BB (sentimental value; white no longer manufactures BBs). Recently, I came across a '7-speed sis' 600 crankset, and I am wondering if it will be at all compatible w/ my current setup. AFAIK, the drive train is full DA circa 1997. I'm pretty sure it can't be earlier because it is 9-speed, but I'm assuming it is pretty old as the DA logo on the rear derailleur is a black rectangle with white DA text, much different from the '06 DA groupo on my felt. I read about 'skating' on Sheldon Brown's site and I am concerned about this and any other issues that might result from this pairing. Both the current and the 600 chainrings are 55/39; I'm also wondering if it would be possible to put the old chainrings (or at least the 39) on the 600 cranks to alleviate problems. Any thoughts? Is this even possible? I would be very grateful for any advice you could offer. Thanks!
Quoted message said:
A Muzi said:
If your White is a Ti spindle model you should seriously reconsider. A left arm is cheap - they are a commodity - if that is your only immediate concern. The rings are probably not the only difference; the spider's tab between the rings is likely thinner on the later model DA right arm. Measure that first.
Finally, the spindle length will likely be different for the two cranks. White's BB sets have a somewhat adjustable spacing but not infinitely!
Quoted message said:
I see that there have been a number of complaints concerning the Ti spindled white BB; mine, I'm fairly sure is steel, and i haven't had many problems with it. I suppose I will ultimately have to get a newer BB as square taper becomes increasingly rare.
Can you recommend a good source for 'vintage' crank arms (preferably 172.5)? Do I need to worry about spindle length for a left arm, or just for the right? Thanks again!
Left 172 at any competent LBS - lefts are a common service item. The exact year/model will be a crapshoot but a 172 left's no problem. -- Andrew Muzi www.yellowjersey.org Open every day since 1 April, 1971
