Thorn Cycles Forum

Technical => Transmission => Topic started by: TerryField on December 20, 2019, 03:17:46 PM

Title: Bottom bracket lubrication
Post by: TerryField on December 20, 2019, 03:17:46 PM
Been out on the Mercury this morning in some pretty deep water! Rohloff hub and bottom bracket fully submerged on several occasions by floods.

I will be changing the gearbox oil, but should I also regrease the bottom bracket? If so, how easy is it given the presence of the eccentric chain adjuster?

Many thanks

Terry
Title: Re: Bottom bracket lubrication
Post by: energyman on December 20, 2019, 04:00:50 PM
My LBS suggested that I pour some engine oil down the seat tube.
Which I did.
It stopped the squeaking but only God knows what the longer term effect will be.
It is on an old Post Office Pashley Courier bike which, I have been assured by Peter our Post Man, are bomb proof !
Title: Re: Bottom bracket lubrication
Post by: mickeg on December 20, 2019, 04:31:08 PM
If it was me, I would do the Rohloff oil change a couple times, first right away and the second time maybe a couple weeks to a month later.

Bottom bracket, there are so many types of bottom bracket bearings, difficult to say.  The old cup and cone ones that nobody uses any more are the only ones where you can easily clean the bearings and re-grease.

I trust you do not have a dynohub.

Chain likely needs some new lube too.