Cycling and bicycle discussion forums. 
   Click here to join our community Log in to access your Control Panel  


Go Back   > >

Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

User Tag List

Reply
 
Thread Tools Search this Thread
Old 03-03-14, 09:48 PM   #1
spdracr39
Senior Member
Thread Starter
 
spdracr39's Avatar
 
Join Date: Feb 2014
Location: Cabot, Arkansas
Bikes: Lynskey Twisted Helix Di2 Ti, 1987 Orbea steel single speed/fixie, Orbea Avant M30, Trek Fuel EX9.8 29, Trek Madone 5 series, Specialized Epic Carbon Comp 29er, Trek 7.1F
Posts: 1,539
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 11 Post(s)
crankset questiion

I need to replace my triple fsa vero crankset. I was wanting to go with a shimano sora so it matches the derailuers. Will I have to change the BB also and will I need any special tools.
spdracr39 is offline   Reply With Quote
Old 03-04-14, 07:05 AM   #2
dsbrantjr
Senior Member
 
dsbrantjr's Avatar
 
Join Date: Sep 2010
Location: Roswell, GA
Bikes: '93 Trek 750, '92 Schwinn Crisscross, '93 Mongoose Alta
Posts: 4,741
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 125 Post(s)
Whether or not you need to change your BB depends entirely upon what you've got and what you'd like to replace it with, neither of which have you specified.

Having said that you can often get cranksets with BBs included for a good price so you might consider just changing your old one out.
dsbrantjr is offline   Reply With Quote
Old 03-04-14, 07:47 AM   #3
spdracr39
Senior Member
Thread Starter
 
spdracr39's Avatar
 
Join Date: Feb 2014
Location: Cabot, Arkansas
Bikes: Lynskey Twisted Helix Di2 Ti, 1987 Orbea steel single speed/fixie, Orbea Avant M30, Trek Fuel EX9.8 29, Trek Madone 5 series, Specialized Epic Carbon Comp 29er, Trek 7.1F
Posts: 1,539
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 11 Post(s)
It is the original that came with the fsa crank set. I cant seem to find exactly what it uses or if it is compatable. I suppose it would be easiest to change the whole thing but I am intimidated because it is my first time to do much work on a bike. I guess the question now would be will there be any issue replacing the fsa BB with the Shimano one. I could just get an fsa crankset but I like the looks of the Shimano better and it isn't that much more expensive. I will keep digging thanks.
spdracr39 is offline   Reply With Quote
Old 03-04-14, 08:09 AM   #4
Kimmo
bike whisperer
 
Kimmo's Avatar
 
Join Date: Dec 2009
Location: Melbourne, Oz
Bikes: velospace.org/viewcluster?c=873
Posts: 7,115
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 4 Post(s)
Quote:
Originally Posted by spdracr39 View Post
I need to replace my triple fsa vero crankset.
Why? I can understand why you might want to replace it. But need? Did you break it?

FTR, your FSA Vero appears to be a traditional square-taper job from an image search. As a three-piece internal bearing crankset this is so totally not compatible with two-piece, external bearing Hollowtech II.

Depending on the tool interface used on the FSA BB, it might be somewhat difficult for an inexperienced wrench to remove if you're unlucky, but shouldn't prove insurmountable.

The lighter and stiffer HT2 setup is vastly easier to work with than square taper, but chews bearings something like 5-10 times faster, wearing about as fast as a well-used big ring. And it's important to replace the BB as soon as it develops slop, or you risk wearing grooves in the BB spindle (which is married to the right crank), particularly if it's one of the aluminium ones.
Kimmo is offline   Reply With Quote
Old 03-04-14, 08:23 AM   #5
spdracr39
Senior Member
Thread Starter
 
spdracr39's Avatar
 
Join Date: Feb 2014
Location: Cabot, Arkansas
Bikes: Lynskey Twisted Helix Di2 Ti, 1987 Orbea steel single speed/fixie, Orbea Avant M30, Trek Fuel EX9.8 29, Trek Madone 5 series, Specialized Epic Carbon Comp 29er, Trek 7.1F
Posts: 1,539
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 11 Post(s)
The large chainring is in poor condition with some broken/shortened teeth tips the BB is fine however as far as I can tell ( no noise or play). I am mechanically inclined but have never worked on bikes before. I will also change the chain and potentially the rear cassette so the drive train will be all new. I just purchased this bike and it appears to have been heavily used but cosmetically well maintained. I am not having any issues yet but foresee problems in the near future and just trying to make a plan in advance. I am going to ride it more when the weather allows so I can get components that will enhance my riding experience and appearance. the wheelset was already upgraded so the hubs, wheels, and tires are new. The only issue I have is the drivetrain seems loud to me. Not grinding but just i can hear it more than my other bikes. I cleaned and lubed everything and it helped some. I am having a little difficulty with smooth shifts from middle to large chain ring but I think that is because of the bad teeth.
Attached Images
File Type: jpg 01212_hPFkQhccquX_600x450.jpg (31.8 KB, 9 views)
spdracr39 is offline   Reply With Quote
Old 03-04-14, 08:29 AM   #6
Bill Kapaun
Senior Member
 
Bill Kapaun's Avatar
 
Join Date: Feb 2007
Location: Mid Willamette Valley, Orygun
Bikes: 86 RockHopper,2008 Specialized Globe. Both upgraded to 9 speeds.
Posts: 9,496
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 125 Post(s)
Quote:
Originally Posted by spdracr39 View Post
The large chainring is in poor condition with some broken/shortened teeth tips .......
You might compare tis to some other large chain rings.
Many have "odd" teeth to assist in shifting.
Do the "broken" teeth appear to be in a specific sequence around the ring? Every nth tooth?
Bill Kapaun is offline   Reply With Quote
Old 03-04-14, 08:42 AM   #7
Kimmo
bike whisperer
 
Kimmo's Avatar
 
Join Date: Dec 2009
Location: Melbourne, Oz
Bikes: velospace.org/viewcluster?c=873
Posts: 7,115
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 4 Post(s)
Forget the chainring tooth tips, they look like that to help shifting. Poor front shifting is most likely caused by less-than-perfect FD adjustment. The outer cage plate should be parallel to the chainrings, the inner limit should just clear the chain in first gear (small/big) and the cable shouldn't go floppy when fully released.

Measure 12" worth of chain under tension. If it's less than 12&1/16", you're golden. If it's approaching or past 12&1/8" it could have caused wear to the cogs and rings.

The only way to check the wear on your rings aside from a visual inspection is to wrap a new chain on it and lift it up; if you can see a whole tooth under the chain, the ring is shagged. Likewise if you can feel the drivetrain throb under load. If your rings pass these tests, they're fine, unless they're bent. The main thing to look out for is the throb appearing under power; this indicates a lack of efficiency and accelerated wear.

As for the noise level, a multitude of factors can contribute to that, so it may not be indicative of anything amiss, particularly if the chain isn't Shimano.

Last edited by Kimmo; 03-04-14 at 08:48 AM.
Kimmo is offline   Reply With Quote
Old 03-04-14, 10:01 AM   #8
spdracr39
Senior Member
Thread Starter
 
spdracr39's Avatar
 
Join Date: Feb 2014
Location: Cabot, Arkansas
Bikes: Lynskey Twisted Helix Di2 Ti, 1987 Orbea steel single speed/fixie, Orbea Avant M30, Trek Fuel EX9.8 29, Trek Madone 5 series, Specialized Epic Carbon Comp 29er, Trek 7.1F
Posts: 1,539
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 11 Post(s)
It is not a Shimano chain. The odd teeth do seem to be consistently about 1/3 of the way around. I did adjust the FD and on the stand and it shifts pretty good now but due to the snow I haven't road tested it yet. Shorts last weekend, Snow and ice yesterday and today, 60's again friday. WTH is up with this weather !!!
Attached Images
File Type: jpg photo 3.jpg (88.6 KB, 7 views)
spdracr39 is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -6. The time now is 08:31 PM.