|
|
Thread Tools | Display Modes |
#1
|
|||
|
|||
Cable Liner under Bottom Bracket
The recovered Roubaix meth-mobile has internal cables and hoses (that were miserable to fish around in the frame), but it has an open window under the bottom of the bottom bracket where the cables are exposed but run through inner-liner. the ends of the inner liner are inside the frame or run up the front derailleur cable.
The cables on my commuter run externally and stick a lot on the BB cable guide, and I was wondering if anyone has tried putting those through a run of inner liner. I suspect they might fill up with water, but they might also keep the cables from sticking. -- Jay Beattie. |
Ads |
#2
|
|||
|
|||
Cable Liner under Bottom Bracket
On 3/6/2018 7:17 PM, jbeattie wrote:
The recovered Roubaix meth-mobile has internal cables and hoses (that were miserable to fish around in the frame), but it has an open window under the bottom of the bottom bracket where the cables are exposed but run through inner-liner. the ends of the inner liner are inside the frame or run up the front derailleur cable. The cables on my commuter run externally and stick a lot on the BB cable guide, and I was wondering if anyone has tried putting those through a run of inner liner. I suspect they might fill up with water, but they might also keep the cables from sticking. -- Jay Beattie. Every system has its own foibles and failures. In my experience, a regular drop of oil on open nylon under-BB guides is as good a system as there is. Adding a tube over them won't help unless the ends of that tube are inside the frame, otherwise they clog promptly with crud, sticking worse than open guides with energy drink splashes. -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
#3
|
|||
|
|||
Cable Liner under Bottom Bracket
On 3/6/2018 8:42 PM, AMuzi wrote:
On 3/6/2018 7:17 PM, jbeattie wrote: The recovered Roubaix meth-mobile has internal cables and hoses (that were miserable to fish around in the frame), but it has an open window under the bottom of the bottom bracket where the cables are exposed but run through inner-liner. the ends of the inner liner are inside the frame or run up the front derailleur cable. The cables on my commuter run externally and stick a lot on the BB cable guide, and I was wondering if anyone has tried putting those through a run of inner liner.Â* I suspect they might fill up with water, but they might also keep the cables from sticking. -- Jay Beattie. Every system has its own foibles and failures. In my experience, a regular drop of oil on open nylon under-BB guides is as good a system as there is. Adding a tube over them won't help unless the ends of that tube are inside the frame, otherwise they clog promptly with crud, sticking worse than open guides with energy drink splashes. It sounds very similar to the short housing section used for some bikes' front derailleur cable, to turn its path from the downtube up to the derailleur. Those were about 3" long, bent about 150 degrees, with each end pointed upward. In my experience, they inhaled crud and water which never drained out. In cold weather the water froze and there was no front shifting. Before stainless steel cables, the cables rusted in there and caused similar problems. On one mountain bike, I remember sealing them, more or less, with a dollop of silicon seal at each end. It seemed to help a bit but was no cure. About the alternative, the nylon guide under the bottom bracket: Cleaning and oiling there is a task I often forget, until I wonder why my shifting seems wonky. -- - Frank Krygowski |
#4
|
|||
|
|||
Cable Liner under Bottom Bracket
On Wednesday, March 7, 2018 at 2:42:48 AM UTC+1, AMuzi wrote:
On 3/6/2018 7:17 PM, jbeattie wrote: The recovered Roubaix meth-mobile has internal cables and hoses (that were miserable to fish around in the frame), but it has an open window under the bottom of the bottom bracket where the cables are exposed but run through inner-liner. the ends of the inner liner are inside the frame or run up the front derailleur cable. The cables on my commuter run externally and stick a lot on the BB cable guide, and I was wondering if anyone has tried putting those through a run of inner liner. I suspect they might fill up with water, but they might also keep the cables from sticking. -- Jay Beattie. Every system has its own foibles and failures. In my experience, a regular drop of oil on open nylon under-BB guides is as good a system as there is. Adding a tube over them won't help unless the ends of that tube are inside the frame, otherwise they clog promptly with crud, sticking worse than open guides with energy drink splashes. -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 +1 Lou |
#5
|
|||
|
|||
Cable Liner under Bottom Bracket
On Tue, 6 Mar 2018 17:17:16 -0800 (PST), jbeattie
wrote: The recovered Roubaix meth-mobile has internal cables and hoses (that were miserable to fish around in the frame), but it has an open window under the bottom of the bottom bracket where the cables are exposed but run through inner-liner. the ends of the inner liner are inside the frame or run up the front derailleur cable. The cables on my commuter run externally and stick a lot on the BB cable guide, and I was wondering if anyone has tried putting those through a run of inner liner. I suspect they might fill up with water, but they might also keep the cables from sticking. -- Jay Beattie. One of my bikes has a plastic BB guide and just cleaning it occasionally seems to work. No evidence of sticking at all. But of course, I'm riding all year in what you'd call "summer weather" :-) -- Cheers, John B. |
#6
|
|||
|
|||
Cable Liner under Bottom Bracket
On Thu, 08 Mar 2018 12:16:00 +0700, John B. wrote:
On Tue, 6 Mar 2018 17:17:16 -0800 (PST), jbeattie wrote: The recovered Roubaix meth-mobile has internal cables and hoses (that were miserable to fish around in the frame), but it has an open window under the bottom of the bottom bracket where the cables are exposed but run through inner-liner. the ends of the inner liner are inside the frame or run up the front derailleur cable. The cables on my commuter run externally and stick a lot on the BB cable guide, and I was wondering if anyone has tried putting those through a run of inner liner. I suspect they might fill up with water, but they might also keep the cables from sticking. One of my bikes has a plastic BB guide and just cleaning it occasionally seems to work. No evidence of sticking at all. But of course, I'm riding all year in what you'd call "summer weather" :-) What? You have 40C - 50C year round? That's unfortunate. -- davethedave |
#7
|
|||
|
|||
Cable Liner under Bottom Bracket
On Thu, 8 Mar 2018 06:55:22 -0000 (UTC), dave
wrote: On Thu, 08 Mar 2018 12:16:00 +0700, John B. wrote: On Tue, 6 Mar 2018 17:17:16 -0800 (PST), jbeattie wrote: The recovered Roubaix meth-mobile has internal cables and hoses (that were miserable to fish around in the frame), but it has an open window under the bottom of the bottom bracket where the cables are exposed but run through inner-liner. the ends of the inner liner are inside the frame or run up the front derailleur cable. The cables on my commuter run externally and stick a lot on the BB cable guide, and I was wondering if anyone has tried putting those through a run of inner liner. I suspect they might fill up with water, but they might also keep the cables from sticking. One of my bikes has a plastic BB guide and just cleaning it occasionally seems to work. No evidence of sticking at all. But of course, I'm riding all year in what you'd call "summer weather" :-) What? You have 40C - 50C year round? That's unfortunate. From the posts that Jay makes about his commuting I don't think he has to be at Celsius 40 degrees to announce "Summer". I suspect that anything over (say) 10 degrees C. meets the requirements in Seattle. Assuming it doesn't rain that day, of course :-) -- Cheers, John B. |
#8
|
|||
|
|||
Cable Liner under Bottom Bracket
Finish Line for a closed tube from start
Open line CRC ELECTRONICS CLEANer tube power flush n r tooth brush then CRC HD SILICONE from ANAZON the FINISH LINE Cold here 52* |
Thread Tools | |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
bottom bracket cable guide | Neal | Techniques | 7 | February 3rd 09 10:04 PM |
Bottom Bracket Bolt for Specialized Sirius (Cable Guide) | Phil | Techniques | 5 | August 4th 08 10:04 PM |
Sourcing bottom bracket cable guides | Graham Ashton | UK | 4 | May 27th 08 08:53 AM |
Bottom Bracket Cable Guide for Specialized Allez Elite A1 | al77 | Techniques | 7 | November 30th 06 05:18 PM |
Colnago Front Derailleur Cable Rubbing on Bottom Bracket | jimbob369 | Techniques | 5 | November 15th 05 01:53 PM |