Campy \ Shimano compatibilty
06-14-17, 07:43 AM
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Campy \ Shimano compatibilty
On a trip in france, looking at my bike with a moderately damaged wheelset due to shipping. Enough that the rear doesnt spin at all in the frame. I am running campy 10 speed drivetrain. Local shop wont try to fix the rim and says it would take a week blah blah blah. I am looking for a quick reasonable fix. The shop has some shimano wheels. My thinking is this: try to fix the wheel by loosening spokes and bending back,then truing with spoke wrench. long shot i know. Second, wait for only other shop to open tomorrow and maybe they can fix or put hubs on new rims (front DA hub and rear powertap). Third, buy a shimano 10 speed wheelset (cheap one) and use a shimano cassette and suffer with less than stellar shifting. Is it possible to put my campy freehub on another shimano hub, seems unlikely in my mind but I do not know. What other quick options am I missing? What would you do? Big part of the trip is to ride and I am here for 7 more days before italy.
06-14-17, 08:15 AM
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Out here , none of the locals buy Campagnolo, so nothing is stocked .. all part special orders are called in and shipped overnight,
and the rider enjoys the many food drink and lodging options offered, here, for a few days,
and like happened last month a carbon chorus RD was replaced by an aluminum one from the low end of the Campag range, 3 days later....
Have a place to hang out for a few days while the parts are ordered & shipped, and replaced?
and the rider enjoys the many food drink and lodging options offered, here, for a few days,
and like happened last month a carbon chorus RD was replaced by an aluminum one from the low end of the Campag range, 3 days later....
Have a place to hang out for a few days while the parts are ordered & shipped, and replaced?
06-14-17, 08:17 AM
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I have heard of Ambrosio cassettes with Shimano spline and Campagnolo spacing, Ambrosio Cycle Sport - Cassettes -- do not know how easy it is to get this, but it can be used with a Shimano wheel and otherwise Campagnolo drivetrain.
Also, there is a thing called Shimergo, which is mixing Campy shifters with Shimano derailleurs: A guide to rear shifting | Cycling UK
Supposedly, 10s Campy will work with 8s Shimano cassette which will fit a Shimano wheel. I do not know how well it works though. It is claimed that the amount of cable pull on a 10s Campy is different for different shifts. I would like to know that myself.
Also, there is a thing called Shimergo, which is mixing Campy shifters with Shimano derailleurs: A guide to rear shifting | Cycling UK
Supposedly, 10s Campy will work with 8s Shimano cassette which will fit a Shimano wheel. I do not know how well it works though. It is claimed that the amount of cable pull on a 10s Campy is different for different shifts. I would like to know that myself.
06-14-17, 08:37 AM
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I'm not sure, but I don't think you can transplant a Powertab freehub to a Shimano wheel.
If you can't figure out any other workable options, you don't have anything to lose by trying to patch up your original rim as best you can. Unlace the wheel or at least slacken the spokes, brute force the rim as round and true as you can get it, then relace and true. You probably won't be able to get it perfect, but you could possibly make it rideable until you can make a more proper fix.
As for what that fix would be, I think the most straightforward option with off-the-shelf parts may be to replace the rim and lace it to your existing hub. What kind of rim do you have? Is it a common one, or maybe you can find one with the same ERD that would allow reuse of your original spokes? (Thereby eliminating the need to source spokes of the right length or have them cut to size.)
If you can't figure out any other workable options, you don't have anything to lose by trying to patch up your original rim as best you can. Unlace the wheel or at least slacken the spokes, brute force the rim as round and true as you can get it, then relace and true. You probably won't be able to get it perfect, but you could possibly make it rideable until you can make a more proper fix.
As for what that fix would be, I think the most straightforward option with off-the-shelf parts may be to replace the rim and lace it to your existing hub. What kind of rim do you have? Is it a common one, or maybe you can find one with the same ERD that would allow reuse of your original spokes? (Thereby eliminating the need to source spokes of the right length or have them cut to size.)
06-14-17, 09:48 AM
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I'd vote for relacing the hub with a new rim (assuming they have one in the small town where you are). Should take an hour or two.
06-14-17, 11:28 AM
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Thanks for the ideas so far. The rim is beyond repair unfortunately. It has an acute deep gash in the braking surface as well as being all out of true, not by mm but more like several cm. In haste, I pulled the rim off with my spoke wrench figuring I could save some euros on labor. I like the idea of trying to get someone to lace the hub to a new rim and will see if the other shop can start that tomorrow. I did manage to fix the front by hitting it hard a few times with a rubber mallet (essentially) and then getting it mostly true. It is tubeless and the tire seated and the braking surface is fine. I actually borrowed an old 5 speed wheel from my host and put it on and I at least have one speed in the rear and two up front. (ridiculous i know) That will satisfy my malady for at least a few days while I, hopefully , get a wheel built up. I think it wouldnt be to hard to source a rim,spokes, and nipples, esp. if I offer to pay for overnight. Merci beaucoup!
By the way, I botched some spokes during removal, and they were sapim xray. Spilled milk...
Great spot to be stuck, overlooking lac annecy, but those cols are a calling.
By the way, I botched some spokes during removal, and they were sapim xray. Spilled milk...
Great spot to be stuck, overlooking lac annecy, but those cols are a calling.
Last edited by beatlebee; 06-14-17 at 11:31 AM.
06-14-17, 11:37 AM
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I'd research Shimergo and, if that looks doable, 8 speed it with a cheap wheel until a good replacement can be had. Maybe call ahead to a shop in Italy and have it waiting for you.
John
John
06-14-17, 12:04 PM
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Thanks for the ideas so far. The rim is beyond repair unfortunately. It has an acute deep gash in the braking surface as well as being all out of true, not by mm but more like several cm. In haste, I pulled the rim off with my spoke wrench figuring I could save some euros on labor. I like the idea of trying to get someone to lace the hub to a new rim and will see if the other shop can start that tomorrow. I did manage to fix the front by hitting it hard a few times with a rubber mallet (essentially) and then getting it mostly true. It is tubeless and the tire seated and the braking surface is fine. I actually borrowed an old 5 speed wheel from my host and put it on and I at least have one speed in the rear and two up front. (ridiculous i know) That will satisfy my malady for at least a few days while I, hopefully , get a wheel built up. I think it wouldnt be to hard to source a rim,spokes, and nipples, esp. if I offer to pay for overnight. Merci beaucoup!
By the way, I botched some spokes during removal, and they were sapim xray. Spilled milk...
Great spot to be stuck, overlooking lac annecy, but those cols are a calling.
By the way, I botched some spokes during removal, and they were sapim xray. Spilled milk...
Great spot to be stuck, overlooking lac annecy, but those cols are a calling.
06-14-17, 01:23 PM
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06-14-17, 01:49 PM
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At one time Campagnolo made a Shimano spline steel driver for their cassette hubs, cost about $99.
06-14-17, 08:09 PM
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I did realize in the middle of the night that leaving the casette on was probably not smart. So how can I rmove this? I dont have the campy lockring tool.doh!
06-14-17, 08:15 PM
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The bike shop that's going to rebuild the wheel should have the proper lock ring tool.
06-14-17, 08:24 PM
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Thanks John, looks like it would be an 8 speed shimano if I am reading the table correct. This is a fall back option.
06-15-17, 06:45 AM
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So a shop, Velo Culture, just outside of Annecy put my campy cassette on a new, wide internal mavic rim on the spot for 160 euros. I am quite happy now! They were great. I had my bike insured for the shipping process so hopefully I can recover some of that too.
Cheers
Cheers
06-15-17, 09:12 AM
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My philosophy is, if I already OWN parts, I'll assembly almost anything and see if I can make it work to my satisfaction. If I'm BUYING parts, I'll hold out for stuff that' is designed to work together.
You are talking about some pretty high dollar components. If it was my bike, I'd do whatever it takes to keep it all Campy 10-speed.
You are talking about some pretty high dollar components. If it was my bike, I'd do whatever it takes to keep it all Campy 10-speed.
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06-15-17, 01:48 PM
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I built up a disc brake equipped road bike. My dilemma was that at the time only Shimano compatible wheels were available. Being a Campagnolo loyalist I initially used a Shiftmate to mate the Shimano cassette to the Campy shifters. I discovered a neat trick from a post on Bike Forum. I took the loose cassette spacers out of the Shimano 10 speed cassette and replaced them with Campy 10 speed spacers. For me it worked better than the Shiftmate.
Good luck.
Good luck.
06-15-17, 09:21 PM
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I built up a disc brake equipped road bike. My dilemma was that at the time only Shimano compatible wheels were available. Being a Campagnolo loyalist I initially used a Shiftmate to mate the Shimano cassette to the Campy shifters. I discovered a neat trick from a post on Bike Forum. I took the loose cassette spacers out of the Shimano 10 speed cassette and replaced them with Campy 10 speed spacers. For me it worked better than the Shiftmate.
Good luck.
Good luck.
