Older frame and new group, BB cable friction
07-25-18 | 09:42 AM
#1
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From: San Jose (Willow Glen) Ca
Bikes: Kirk Custom JK Special, 86 De Rosa Pro, '84 Team Miyata,(dura ace old school) 80?? SR Semi-Pro 600 Arabesque
Older frame and new group, BB cable friction
Probably over thinking here, but I have a new to me early 90's frame and it is going be be a) a good build b) probably my last build while so I want to get it rigjht. it has the derailler cable run through the classic little eyelets, then run the shifter cables around the BB,
I am going to put on a new 5800 105 group and a I have seen a lot of comments about minimizing cable friction with 11 speed
Has anybody had issues with friction?
I could drill and tap (or get it drilled and tapped) and put shimano or campy anti fiction guide on
Or maybe find some stick on teflon ?
thoughts, Ideas, experiences? thanks
I am going to put on a new 5800 105 group and a I have seen a lot of comments about minimizing cable friction with 11 speed
Has anybody had issues with friction?
I could drill and tap (or get it drilled and tapped) and put shimano or campy anti fiction guide on
Or maybe find some stick on teflon ?
thoughts, Ideas, experiences? thanks
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07-25-18 | 11:35 AM
#2
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From: Los Angeles
Bikes: 78 Masi Criterium, 68 PX10, 2016 Mercian King of Mercia, Rivendell Clem Smith Jr
By "around the BB" do you mean it has pre 1984 above BB cable guides?
I don't think it's going to make that much difference or be any sort of problem. May as well try the existing guides first. You could sleeve the cables with some teflon liner where they contact the guides. Probably help a little. That's what I do with the under BB braze on guides on my Mercian, mostly because I didn't want the cables to wear through the paint.
I don't think it's going to make that much difference or be any sort of problem. May as well try the existing guides first. You could sleeve the cables with some teflon liner where they contact the guides. Probably help a little. That's what I do with the under BB braze on guides on my Mercian, mostly because I didn't want the cables to wear through the paint.
07-25-18 | 11:57 AM
#3
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From: San Jose (Willow Glen) Ca
Bikes: Kirk Custom JK Special, 86 De Rosa Pro, '84 Team Miyata,(dura ace old school) 80?? SR Semi-Pro 600 Arabesque
By "around the BB" do you mean it has pre 1984 above BB cable guides?
I don't think it's going to make that much difference or be any sort of problem. May as well try the existing guides first. You could sleeve the cables with some teflon liner where they contact the guides. Probably help a little. That's what I do with the under BB braze on guides on my Mercian, mostly because I didn't want the cables to wear through the paint.
I don't think it's going to make that much difference or be any sort of problem. May as well try the existing guides first. You could sleeve the cables with some teflon liner where they contact the guides. Probably help a little. That's what I do with the under BB braze on guides on my Mercian, mostly because I didn't want the cables to wear through the paint.
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Life is too short not to ride the best bike you have, as much as you can.
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07-25-18 | 12:00 PM
#4
Bike Butcher of Portland
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From: Portland, OR
Bikes: It's complicated.
I'd try it first to see if it's an issue. If it were, one could file off the little cable guides, then drill and tape it for one of those plastic ones.
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Last edited by gugie; 07-25-18 at 12:04 PM.
07-25-18 | 12:25 PM
#5
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From: San Jose (Willow Glen) Ca
Bikes: Kirk Custom JK Special, 86 De Rosa Pro, '84 Team Miyata,(dura ace old school) 80?? SR Semi-Pro 600 Arabesque
As noted I am probably over thinking...... also thinking to see if i can find a thin teflon adhesive pad to put on it
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Life is too short not to ride the best bike you have, as much as you can.
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07-25-18 | 01:12 PM
#6
aka: Dr. Cannondale
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If MTB inner Teflon tubes will fit under there, that works well for me. But thus far have not had any issues with 11 speed installations on several different frames.
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07-25-18 | 01:13 PM
#7
aka Tom Reingold
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From: New York, NY, and High Falls, NY, USA
Bikes: 1962 Rudge Sports, 1971 Raleigh Super Course, 1971 Raleigh Pro Track, 1974 Raleigh International, 1975 Viscount Fixie, 1982 McLean, 1996 Lemond (Ti), 2002 Burley Zydeco tandem
Yes you're overthinking it. You could cannibalize a V brake noodle for a plastic sleeve. I plan to run my cables under my BB without anything at all. Let's see how this works.
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Tom Reingold, tom@noglider.com
New York City and High Falls, NY
Blogs: The Experienced Cyclist; noglider's ride blog
“When man invented the bicycle he reached the peak of his attainments.” — Elizabeth West, US author
Please email me rather than PM'ing me. Thanks.
07-25-18 | 02:24 PM
#8
Thread Starter
Senior Member
Joined: Jul 2006
Posts: 11,494
Likes: 4,910
From: San Jose (Willow Glen) Ca
Bikes: Kirk Custom JK Special, 86 De Rosa Pro, '84 Team Miyata,(dura ace old school) 80?? SR Semi-Pro 600 Arabesque
By "around the BB" do you mean it has pre 1984 above BB cable guides?
I don't think it's going to make that much difference or be any sort of problem. May as well try the existing guides first. You could sleeve the cables with some teflon liner where they contact the guides. Probably help a little. That's what I do with the under BB braze on guides on my Mercian, mostly because I didn't want the cables to wear through the paint.
I don't think it's going to make that much difference or be any sort of problem. May as well try the existing guides first. You could sleeve the cables with some teflon liner where they contact the guides. Probably help a little. That's what I do with the under BB braze on guides on my Mercian, mostly because I didn't want the cables to wear through the paint.
__________________
Life is too short not to ride the best bike you have, as much as you can.
Life is too short not to ride the best bike you have, as much as you can.
