Removing Campagnolo PF BB30 Cups - EPS

Discuss light weight issues concerning road bikes & parts.
User avatar
Miller
Posts: 1251
Joined: Thu Sep 21, 2006 8:54 pm
Location: Reading, UK

by Miller

Calnago wrote:
Sat Jan 20, 2018 8:17 pm
Graeme!!! Calling Graeme... what do the pros do for their installs? I wouldn't be surprised if they just leave the sleeve out altogether and just tape up the wires inside the shell actually and out of the way of the spindle. That's what I might end up doing if I can figure out how to do it so that they stay put and don't come loose.
On the most recent BB86 install I did that was exactly my approach. There was one EPS wire that could potentially fall onto the spindle so I duct taped it to the inside of the BB shell. Anything to avoid using that sleeve.

Butcher
Shop Owner
Posts: 837
Joined: Sun Jan 03, 2010 4:58 am

by Butcher

Calnago wrote:
Sat Jan 20, 2018 8:17 pm
But curious, how did you go about "cutting them out". Did you just put a hacksaw blade through the bottom bracket and have at it, until it was weak enough to break and remove without touching the shell?
Yes, but with a dremel. I was pretty frustrated about this ordeal [gluing it in] but it was not just going to jump out of there by looking at it [and I looked at it a lot]. I was pretty happy that I did not even put a scratch in the shell. It was not a simple 5 minute ordeal either. Slow and steady.

graeme_f_k
Shop Owner / Manufacturer
Posts: 299
Joined: Mon May 26, 2008 12:21 pm
Location: UK
Contact:

by graeme_f_k

Miller wrote:
Sun Jan 21, 2018 11:18 am
Calnago wrote:
Sat Jan 20, 2018 8:17 pm
Graeme!!! Calling Graeme... what do the pros do for their installs? I wouldn't be surprised if they just leave the sleeve out altogether and just tape up the wires inside the shell actually and out of the way of the spindle. That's what I might end up doing if I can figure out how to do it so that they stay put and don't come loose.
On the most recent BB86 install I did that was exactly my approach. There was one EPS wire that could potentially fall onto the spindle so I duct taped it to the inside of the BB shell. Anything to avoid using that sleeve.
It depends a lot on the frame as a good many that have an alloy insert in the BB usually have "windows" in that insert and we simply run the EPS cables around the outside of the BB insert.
Specialized et al that have a BB sleeve - the problem doesn't occur as there is no access to the BB but there is a void around the outside of the BB sleeve so that's where we run the cables.

In BBs that are "open" and the danger of the cabes coming into contact with the BB axle, generally we all use the sleeve & cut it out to remove it - it's a pretty simple, if (really only) slightly time consuming process.

Start with the "bar" that runs along the bottom of the BB shell (so should have no cables running under it).
Use a craft knife with a sharp blade to cut that "bar" out. Turn the sleeve (as generally they'll move very easily) until you have the next "bar" at the bottom - repeat until you have one bar left in. Lift that from the bottom with a pair of fine nose pliers and the two "rings" on either end will pull out of the cups, allowing you to extract the sleeve from the frame.

Takes maybe 5 minutes, tops.

FAQs:
Does it destroy the sleeve?
Yes it does.
Is the sleeve available as a spare part?
Yes it is.
Is it an expensive part?
No, most SCs like us have a fair number just lurking around anyway, but the actual RRP on the part is less than €10.00
Why do it this way?
Better than having a 3rd party solution that might & might not work. You don't change an EPS system over from bike to bike on a daily, weekly, monthly or even annual basis (for the most part) so ditching a €10.00 part is not really a problem.
EPS-001 R1137097 BB cable guide for EPS €9.45
A Tech-Reps work is never done ...
Head Tech, Campagnolo main UK ASC

User avatar
Calnago
Posts: 5785
Joined: Sun Nov 07, 2010 9:14 pm

by Calnago

Ok... well then it's official.... cut the damn thing out. Ok... hmmm... I'm gonna test out some Sugru on a piece of carbon steerer and see how well it holds cables in place. Let it cure... run water under the sink at it... tug on it till it comes off to see how well it holds... just sort of test things out beforehand. I was just thinking there had to be some trick that I was missing. But I guess not. I have a little Exacto knife that I think will work perfectly for previously installed sleeves.
Thanks all! Mystery solved.
Colnago C64 - The Naked Build; Colnago C60 - PR99; Trek Koppenberg - Where Emonda and Domane Meet;
Unlinked Builds (searchable): Colnago C59 - 5 Years Later; Trek Emonda SL Campagnolo SR; Special Colnago EPQ

Zakalwe
Posts: 432
Joined: Sun Jun 17, 2012 3:15 pm

by Zakalwe

I’d expect a blob from a tube of regular bathroom silicone would stick better than Sugru, keep it cycle specific and use Mapei if you like

Post Reply
  • Similar Topics
    Replies
    Views
    Last post