DRIVETRAIN Posted November 2, 2006 Share When riding in the 12/39 I get this annoying chain noise, Ok at first I thought it was the chain rubbing against the front derailler then I often adjusted the derailler...it persisted!! Last nite while on the trainer I had a closer look and found that the chain is actually grating against the big blade only when you in the 12/39 rings...no other ratio's have this effect... Ok so I was told you not meant to ride in 12/39 & it's not what it was made for ???????? I don't buy that honestly !!! Any other ideas as to what I can do or suggestions please ????? I my rings bent or can I out in spacers or what ???? "DT" Link to comment Share on other sites More sharing options...
RABUBI Posted November 2, 2006 Share As far as I know you're not supposed to ride like that, mine does it as well. Link to comment Share on other sites More sharing options...
dirtrider Posted November 3, 2006 Share Let me also say it : You not suppose to ride like that !! Link to comment Share on other sites More sharing options...
DRIVETRAIN Posted November 3, 2006 Share OK GUESS I BUY IT NOW....THANKS GUYS I'LL NOT DO IT AGAIN.... "DT" Link to comment Share on other sites More sharing options...
AndreZA Posted November 3, 2006 Share Never ride big-big or small-small. Too much strain on the chain at that angle. Link to comment Share on other sites More sharing options...
TNT1 Posted November 3, 2006 Share What groupset? Even though everyone says you are not meant to ride that ratio, on a properly set up bike you should be able to use every gear ratio. I can run my 11/39 if i want... I don't, but I can. I can also run my 53/23 or 53/25 (depending on which wheels) But I use Campy Record... And correctly set up. Link to comment Share on other sites More sharing options...
Wonder Woman Posted November 3, 2006 Share DT: Just in case you not sure, you should NEVER cross chain either way. Don't ride like that!!! Link to comment Share on other sites More sharing options...
ewep Posted November 3, 2006 Share DT, by the way, you shouldn't ride like that Link to comment Share on other sites More sharing options...
MWdeJager Posted November 3, 2006 Share DT, ja, wat die ander opuens s? is waar tot 'n mate. Maar moenie sommer net daai storie aanvaar omdat almal so s? nie. Dit hang af van fiets tot fiets. (As jy 'n wye BB het, sit jou chainrigs meer na regs) Ek het 'n 52/42 chainring set en op die 42 kan ek enigeen van my klein ratte gebruik, no problem. Dis omdat die klein chainring presies reg oor die middelste klein rat sit. However, die 52 gebruik ek gladnie op my grootste 2 gears agter nie. As jy jou 39 regtig wil gebruik saam met die 12, sit 'n wyer BB in. Jy sal dan net nie meer die 53 op so baie van die ratte kan gebruik nie. Link to comment Share on other sites More sharing options...
BaieSukkel Posted November 3, 2006 Share You can but you shouldn't. My campy record can, but I wouldn't. My shimano groupset can't, even if I wanted to. A 39/12 gives you a 3.25 ratio. A 52/16 gives you the same. Link to comment Share on other sites More sharing options...
TNT1 Posted November 3, 2006 Share You can but you shouldn't. My campy record can' date=' but I wouldn't. My shimano groupset can't, even if I wanted to. A 39/12 gives you a 3.25 ratio. A 52/16 gives you the same. [/quote'] That's what I said. My Campy can, but I don't. My shimano could, but it was only 9spd... Link to comment Share on other sites More sharing options...
Dr. Seuss Posted November 3, 2006 Share mine does the same - ultegra & dura ace & on 2 different bikes. but then again, i dont ride like that 'cause i know i shouldnt! Link to comment Share on other sites More sharing options...
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