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Grease for bicycles #4528968
09/29/17 01:05 AM
09/29/17 01:05 AM
Joined: Sep 2017
Posts: 3
Ohio
tronstein Offline OP
tronstein  Offline OP

Joined: Sep 2017
Posts: 3
Ohio
Hello everyone. I was googling some things about grease and found this forum, so I thought it might be a good place to bring up some topics that I haven't found answers to.
I'm a bicycle mechanic, and through the years of working in the cycling industry I've always liked to dabble in other mechanical hobbies and learn about different trades. I recently got to thinking about the role of lubricants in cycling applications. I figured it would do me some good in my trade if I better understood lubricants rather than just the classic "wet" and "dry" lubes for chains.

There are 4 main moving parts on a bicycle that require lubrication: the hub bearings, the headset bearings, the bottom bracket bearings, and the chain. Not to be dismissive, but I'm not too worried about those parts. The bearings on a bicycle aren't subjected to high temperatures, high loads, or excessive rpms.

So my questions has to do with non-moving parts. We use a lot of grease for threaded fittings and close fitting components (like the seatpost sliding inside the seat-tube). Wouldn't it technically be better to use an anti-seize lubricant for this purpose, rather than grease? I'd say the big reasons for greasing these parts are to avoid galling, oxidation, or corrosion from 1). dissimilar metal contact, 2). rain, snow, and salt, and 3). customers' sweat.

All of this thinking came about when I got a new grease gun and was trying to decide what to put in it. My other one already has my favorite bearing grease in it, and I got to thinking if another grease for the above applications was really the best solution. Anyway, I hope I can learn some things here. Thanks.

Re: Grease for bicycles [Re: tronstein] #4528978
09/29/17 01:51 AM
09/29/17 01:51 AM
Joined: Aug 2008
Posts: 3,480
Where the wind comes sweepin'
Reddy45 Online shocked
Reddy45  Online Shocked

Joined: Aug 2008
Posts: 3,480
Where the wind comes sweepin'
I would say you are onto something, but it also seems like the various parts of a bicycle get regular touch/exposure so would you want a very viscous and glittery anti-seize to get on your hands or on the clothes (as a bicycle rider)?

Re: Grease for bicycles [Re: tronstein] #4529004
09/29/17 04:23 AM
09/29/17 04:23 AM
Joined: Nov 2011
Posts: 5,062
MTL, CANADA
Rolla07 Offline
Rolla07  Offline

Joined: Nov 2011
Posts: 5,062
MTL, CANADA
I wonder if a simple spraydown with a rust proofing oil would be the answer? Light oil coating to prevent rust and add slight lubrication ability? Im not too familar with bikes but is lubricaton really that important on where a bike seat slides in?


2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967

Re: Grease for bicycles [Re: Rolla07] #4529101
09/29/17 07:37 AM
09/29/17 07:37 AM
Joined: Feb 2017
Posts: 318
NC
fenixguy Offline
fenixguy  Offline

Joined: Feb 2017
Posts: 318
NC
Originally Posted By: Rolla07
Im not too familar with bikes but is lubricaton really that important on where a bike seat slides in?


If you ever had to take out one that was rust-seized then you'd understand. Plus, it makes it easier to make minor seat height adjustments from time to time.

Anyway, OP I'm sure you have much, much more experience with this than I do. I'm just a casual rider that likes to maintain my bikes like I do my cars... Anyway, I would think the seat post and other points would just get whatever grease is going in the bearings so you don't have to keep two kinds of grease. That being said, I just recently got acquainted with Fluid Film and that will be my go-to lube/rustproofing for everything except bearings. I've read about some riders (motorcycles included) that have used it on their chains/cassettes when riding in wet or salty conditions.


'16 Frontier SV 4x4-PP/Nissan OEM
'08 CR-V EX AWD-Valvoline Syn MaxLife/Fram TG
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Re: Grease for bicycles [Re: tronstein] #4529161
09/29/17 08:38 AM
09/29/17 08:38 AM
Joined: Apr 2012
Posts: 2,783
West Michigan
buck91 Offline
buck91  Offline

Joined: Apr 2012
Posts: 2,783
West Michigan
I've always used grease for seatposts and the like, most frequently Phil Wood (although we used Polylube for EVERYTHNG when I worked at a shop). Only problems I've ever had were from un-greased seatposts which were never moved in 20 years. Or slipping seatposts from poor tolerances and/or carbon fiber.

That said, I do like anti seize for BB threads. I have seen a number of those get pretty rough. Plus it usually keeps the squeaks at bay better; especially if the bike gets used in very wet conditions. Although my last build (actually a frame swap) seems to be the exception as it started creaking on the second trail ride :rollseyes:


2011 F150 4x4 5.0L
1996 Mustang GT 5spd/ragtop
Re: Grease for bicycles [Re: tronstein] #4529191
09/29/17 09:05 AM
09/29/17 09:05 AM
Joined: Jun 2002
Posts: 12,888
The Motor City
Kestas Offline
Global Moderator
Kestas  Offline
Global Moderator

Joined: Jun 2002
Posts: 12,888
The Motor City
If there are rust issues on a bicycle, then the owner is abusing it by storing it outside. Bicycles should be stored indoors. My bicycle is 39 years old and it has no serious rust issues except cosmetically on the frame and some pitting on the rims.

I don't see a lot of wholesale use of bicycles in the rain here as in other countries.

The worst I've had to deal with is galling in threaded aluminum parts.

Re: Grease for bicycles [Re: tronstein] #4529642
09/29/17 05:57 PM
09/29/17 05:57 PM
Joined: Jan 2004
Posts: 5,007
California
nthach Offline
nthach  Offline

Joined: Jan 2004
Posts: 5,007
California
I've always used anti-seize on bottom brackets, pedal threads and bottle cage/rack eyelet bolts. Almost always those will be steel going into aluminum and the risk of galvanic corrosion is always there. Especially if the bike will see rain or if it's going to be raced.

As a matter of fact, PraxisWorks/Enduro/Wheels Mfg require a good copper-based anti-seize like Loctite C5-A to be used on their retrofit bottom brackets that use a collet to expand into a BB30/PF30/Specialized OSBB shell to help solve the problems inherent to those.

If you're dealing with carbon seatposts, technically nothing is to be used unless it's going into a carbon frame. Practice with carbon is to use grip paste, which is more or less a light grease with plastic or silica microbeads. I've greased carbon seatposts in the past and anything works. Even horrible Polylube.

Re: Grease for bicycles [Re: tronstein] #4529716
09/29/17 07:20 PM
09/29/17 07:20 PM
Joined: Sep 2017
Posts: 3
Ohio
tronstein Offline OP
tronstein  Offline OP

Joined: Sep 2017
Posts: 3
Ohio
Thanks for the input, everyone. As a couple of you mentioned, I do sometimes use anti-seize on bottom bracket threads. But Reddy45 brought up a great point about anti-seize being really messy. I guess the thought that I had in mind was what if someone who didn't know much about bikes or common bike mechanic practices, but knew everything there is to know about lubricants/greases/anti-seizes was asked what to use for those applications? What would they choose? Again, grease has never let me down for those slip-fit and threaded interfaces, and bicycles probably aren't subjected to as much abuse as many other applications/industries, but I was curious if anti-seize or something else would be technically better than grease.

Re: Grease for bicycles [Re: tronstein] #4529964
09/30/17 02:33 AM
09/30/17 02:33 AM
Joined: Dec 2006
Posts: 1,854
NY, NY
NYEngineer Offline
NYEngineer  Offline

Joined: Dec 2006
Posts: 1,854
NY, NY
I have and build quite a few fat bikes. I do custom builds a few times per year. Since these get ridden in sand and snow and 99% off road, they need to lubed properly.
I really like Finish Line Premium Grease. WAY better than Park Tool's grease. It works on seat posts and bottom bracket threads and also in bearings.
I lube chains with Phil Wood Tenacious Oil most of the year. If the bike is going to see a lot of beach riding, I switch to Finish LIne dry lube so sand is less likely to stick to the chain.
In the freehub pawls I like to mix the Finish Line grease with a little Tenacious oil. Works great.

Re: Grease for bicycles [Re: tronstein] #4531885
10/02/17 09:19 AM
10/02/17 09:19 AM
Joined: May 2008
Posts: 2,264
Parts Unknown
UG_Passat Offline
UG_Passat  Offline

Joined: May 2008
Posts: 2,264
Parts Unknown
For seat posts, there is a specific grease to use, called friction grease, so that you don't have to clamp down as hard on the bolt, causing potential damage.

my general grease is generic marine-grade grease. Why pay for the brand name when you don't have to?


2016 VW Tiguan|APR Stage 1|Neuspeed P-Flo|Osram CBI|Redline 5w30
Re: Grease for bicycles [Re: tronstein] #4534506
10/05/17 10:56 AM
10/05/17 10:56 AM
Joined: Feb 2014
Posts: 595
Margate England
Claud Offline
Claud  Offline

Joined: Feb 2014
Posts: 595
Margate England
Good old 3 in 1 oil works fine for my old all steel ol' reliable.

Claud.

Re: Grease for bicycles [Re: UG_Passat] #4535106
10/06/17 03:41 AM
10/06/17 03:41 AM
Joined: Sep 2017
Posts: 3
Ohio
tronstein Offline OP
tronstein  Offline OP

Joined: Sep 2017
Posts: 3
Ohio
UG_Passat, I would only use friction past when one or both of the surfaces are carbon.

Re: Grease for bicycles [Re: tronstein] #4535200
10/06/17 07:57 AM
10/06/17 07:57 AM
Joined: May 2008
Posts: 2,264
Parts Unknown
UG_Passat Offline
UG_Passat  Offline

Joined: May 2008
Posts: 2,264
Parts Unknown
Originally Posted By: tronstein
UG_Passat, I would only use friction past when one or both of the surfaces are carbon.


It works for aluminum seat posts in aluminum frames also. I had a constantly slipping seatpost on my MTB, which eventually when I put the friction paste on, it no longer slipped.


2016 VW Tiguan|APR Stage 1|Neuspeed P-Flo|Osram CBI|Redline 5w30
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