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Search: Posts Made By: Bike Gremlin
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07-06-21, 12:52 AM
Replies: 4
Views: 219
Posted By Bike Gremlin

The price is outrageous, but as a cleaner and...

The price is outrageous, but as a cleaner and even more so as a lubricant - it's far from the worst option in my experience.
Having said that, I keep it for the firearms (it's my favourite "tool"...
07-05-21, 04:05 AM
Replies: 7
Views: 268
Posted By Bike Gremlin

My 2c on the optimal rim-tape width...

My 2c on the optimal rim-tape width (https://bike.bikegremlin.com/245/bicycle-rim-tape-explained/#6).
05-29-21, 12:08 AM
Replies: 14
Views: 516
Posted By Bike Gremlin

I wrote (and added some pictures) about the...

I wrote (and added some pictures) about the lacing patterns, the max. number of crosses and why that is important:
Wheel building basics - spoke lacing patterns...
05-05-21, 06:19 AM
Replies: 21
Views: 729
Posted By Bike Gremlin

Guitar pluck (using just ears to sense any...

Guitar pluck (using just ears to sense any differences) has worked for me.
Small, plastic, middle-hardness (not an expert on guitars, but didn't go with the softest pluck I could find - I hope you...
04-21-21, 02:52 PM
Replies: 45
Views: 1,423
Posted By Bike Gremlin

I'm not a mechanical engineer, but I understand...

I'm not a mechanical engineer, but I understand the book as explaining the loads that a wheel takes, and explaining how spokes help keep it rolling - dealing with those loads.
Wheels do take...
04-20-21, 11:17 PM
Replies: 45
Views: 1,423
Posted By Bike Gremlin

To quote Brandt: "With tension, wires can...

To quote Brandt:

"With tension, wires can support compression loads up to the point where they become slack.
The same loads that increase compression in wooden spokes, reduce tension in wires.
...
04-20-21, 10:54 AM
Replies: 45
Views: 1,423
Posted By Bike Gremlin

Saying the same thing, using different words,...

Saying the same thing, using different words, aren't we? :)
04-20-21, 06:54 AM
Replies: 45
Views: 1,423
Posted By Bike Gremlin

Trailing spokes on the left-hand side had gained...

Trailing spokes on the left-hand side had gained some tension - similarly to the right-hand-side spokes.

I hadn't measured the leading spoke tensions - the focus was on whether the left-hand side...
04-19-21, 11:05 PM
Replies: 45
Views: 1,423
Posted By Bike Gremlin

I've measured spoke tensions when a bike is...

I've measured spoke tensions when a bike is stationary, with a rider weight on the saddle, and without a rider.
When the rider is seated, the spokes at the very bottom lose some tension, the 1, or 2...
04-18-21, 12:04 PM
Replies: 8
Views: 513
Posted By Bike Gremlin

I'm using Unior 1689 ("Pro Truing Stand"). That's...

I'm using Unior 1689 ("Pro Truing Stand"). That's what the spare parts are available for in my country.
Works well, quite sturdy, has support for thru-axles, and disc truing. So it does all I need,...
04-08-21, 09:03 PM
Replies: 10
Views: 600
Posted By Bike Gremlin

The first thing I'd check is the wheel - is it...

The first thing I'd check is the wheel - is it mounted and seated properly.
While at it - I'd also check what ClydeClydeson suggested above.
03-29-21, 11:01 PM
Replies: 34
Views: 1,465
Posted By Bike Gremlin

My thinking out loud - haven't been able to...

My thinking out loud - haven't been able to measure this:
Downwards, or sideways force pushing the rim towards the NDS can both effectively shorten the distance from the NDS flange to the rim of...
03-25-21, 10:03 AM
Replies: 30
Views: 1,627
Posted By Bike Gremlin

Brevity is not among my virtues. :) When I...

Brevity is not among my virtues. :)
When I consider a bicycle tyre to be worn (https://bike.bikegremlin.com/9003/when-to-replace-bicycle-tyres/).
03-25-21, 01:21 AM
Replies: 25
Views: 1,293
Posted By Bike Gremlin

Short answer: no idea. Longer answer: ...

Short answer: no idea.

Longer answer:
There's an array of models produced, over the years - for different groupsets of different manufacturers.
I have no idea what your budget and circumstances...
03-24-21, 12:54 AM
Replies: 25
Views: 1,293
Posted By Bike Gremlin

My take on groupset ranking...

My take on groupset ranking (https://bike.bikegremlin.com/531/bicycle-groupset-classes/) - for the three major manufacturers.
With a take on durability & robustness.

Take it all with a grain of...
03-18-21, 03:45 PM
Replies: 28
Views: 1,394
Posted By Bike Gremlin

Discussed just that a few days ago with a...

Discussed just that a few days ago with a colleague. Sure - it's not the same when it's work. And there always are some less-nice days. But, for me at least, it's still quite enjoyable, most of the...
03-15-21, 01:48 PM
Replies: 25
Views: 1,063
Posted By Bike Gremlin

Italian standard BB shells use the right handed...

Italian standard BB shells use the right handed thread (https://bike.bikegremlin.com/3965/right-and-left-handed-thread/), for both the left, and the right BB cup. The result of that is that the right...
03-11-21, 10:06 AM
Replies: 14
Views: 851
Posted By Bike Gremlin

The plastic adaptor is not excellent for removing...

The plastic adaptor is not excellent for removing stuck BBs, but can be used for installing the new ones.
It's definitely worth giving it a try - hopefully finding one in a LBS near by.

These by...
03-10-21, 08:44 AM
Replies: 11
Views: 3,740
Posted By Bike Gremlin

Thanks. :) I'm not so sure it's great...

Thanks. :)

I'm not so sure it's great (especially compared to the videos like Park Tools make), but I think it is at least informative... educational. :)
...
03-09-21, 02:59 PM
Replies: 48
Views: 2,611
Posted By Bike Gremlin

I grew up in relative scarcity, and had to get by...

I grew up in relative scarcity, and had to get by with what's available (getting fuel was like in Mad-Max movies :) ).
If I had a choice (like I do now): diesel, or mineral spirits are a cheap and...
03-08-21, 05:13 PM
Replies: 11
Views: 3,740
Posted By Bike Gremlin

My experience with those: ...

My experience with those:

https://www.youtube.com/watch?v=HPov5zO7Yd4
02-09-21, 06:38 AM
Replies: 40
Views: 1,423
Posted By Bike Gremlin

I've been using Total LHM Plus...

I've been using Total LHM Plus (https://www.online-lubricants.co.uk/product/total-lhm-plus) hydraulic mineral oil for years.
Used it with a lot of Shimano and Magura brakes. Both disc, and hydraulic...
01-25-21, 12:50 AM
Replies: 34
Views: 1,278
Posted By Bike Gremlin

I understand. Though it could be argued that any...

I understand. Though it could be argued that any work with people boils down to making them happy. :) Co-op is making people like me (and, I suppose, you) happy - those who like fixing their own...
01-24-21, 01:34 AM
Replies: 34
Views: 1,278
Posted By Bike Gremlin

Working in a bike-shop isn't about fixing bikes,...

Working in a bike-shop isn't about fixing bikes, it's about making the customers happy.
Sure: for most people, you need to be reasonably competent at fixing bikes, and do a reasonably good job. But...
01-15-21, 08:58 AM
Replies: 11
Views: 470
Posted By Bike Gremlin

Making sure to set an optimal preload, and do...

Making sure to set an optimal preload, and do regular service (every year, or each 5000 km, whichever comes first) is a lot more important than the type of grease.
It's similar to bathing: no matter...
01-14-21, 09:22 AM
Replies: 17
Views: 944
Posted By Bike Gremlin

I prefer using anti-seize...

I prefer using anti-seize (https://bike.bikegremlin.com/7172/anti-seize/), to grease - for preventing things from seizing over time. This goes for cups, and crown race. Haven't had problems with...
01-11-21, 03:32 PM
Replies: 46
Views: 2,155
Posted By Bike Gremlin

These are what I consider to be acceptable wheel...

These are what I consider to be acceptable wheel trueness tolerances (https://bike.bikegremlin.com/9276/bicycle-wheel-building-basics/#7.4). In other words: wheels built to within those tolerances...
12-26-20, 01:16 PM
Replies: 20
Views: 909
Posted By Bike Gremlin

Our experiences differ.

Our experiences differ.
12-26-20, 12:45 PM
Replies: 20
Views: 909
Posted By Bike Gremlin

Have you tried it? Find a steep hill and do a...

Have you tried it?
Find a steep hill and do a test/compare.
Shock absorber effectively transfers movement energy into heat.
The more "steady" power output you provide, the less bike will hop up...
12-26-20, 01:11 AM
Replies: 20
Views: 909
Posted By Bike Gremlin

+1 It is most noticeable on steep climbs. When...

+1
It is most noticeable on steep climbs. When suspension is locked, it feels as if you're riding about "2 gears" easier (slower) gearing.
12-19-20, 07:51 AM
Replies: 88
Views: 4,027
Posted By Bike Gremlin

When I was very young, and had more time for...

When I was very young, and had more time for riding - I still welcomed 3x systems for low enough gears.
Some time later, after having assembled my first ever road bicycle, and grew a bit stonger,...
12-11-20, 09:22 AM
Replies: 141
Views: 6,772
Posted By Bike Gremlin

I still think it has nothing to do with the...

I still think it has nothing to do with the diameter of the rollers (i.e. roller wear). It has to do with the chain pitch.
If you measure a brand new chain, you might notice it having under 0.5"...
12-11-20, 03:24 AM
Replies: 141
Views: 6,772
Posted By Bike Gremlin

Based on my theoretical knowledge and practical...

Based on my theoretical knowledge and practical experience (in other words: "to the best of my knowledge", or "as far as I know"):
as a chain gets worn, at the inner plate - to pin interface, it...
12-10-20, 01:07 PM
Replies: 141
Views: 6,772
Posted By Bike Gremlin

I did an experiment...

I did an experiment (https://bike.bikegremlin.com/3370/roller-wear-affect-on-chain-engagement-with-chainrings/) to see (confirm) if roller wear affects chain engagement. It doesn't. Even when taking...
12-09-20, 01:08 AM
Replies: 141
Views: 6,772
Posted By Bike Gremlin

Makes sense - with one "complaint": 99.9% of the...

Makes sense - with one "complaint": 99.9% of the chain gauges don't measure the correct dimension - they are inherently imprecise, by design.
Why no one else makes a tool like Shimano TL-CN42 (i.e....
12-08-20, 03:55 AM
Replies: 6
Views: 519
Posted By Bike Gremlin

Industry goes towards "discouraging" people from...

Industry goes towards "discouraging" people from fixing their own stuff. More and more expensive pro tools needed to do the job- so it's hardly sensible for home/occasional use.
12-08-20, 01:37 AM
Replies: 18
Views: 1,051
Posted By Bike Gremlin

Simply put: for this to be done, one should...

Simply put: for this to be done, one should measure the rear chainline, then find the appropriate bb spindle length (for square taper, or set the spacers correctly for Hollowtech BBs) to get the...
12-08-20, 01:25 AM
Replies: 141
Views: 6,772
Posted By Bike Gremlin

My 2c on chain wear measuring methods...

My 2c on chain wear measuring methods (https://bike.bikegremlin.com/733/change-chain-bicycle/) (and the pros and cons of each).
Chain checkers, apart from Shimano TL-CN41 and TL-CN42 take roller...
11-26-20, 12:30 AM
Replies: 41
Views: 2,201
Posted By Bike Gremlin

Painted surfaces? Not sure if we are thinking of...

Painted surfaces? Not sure if we are thinking of the same thing. If it's a joke, I've missed it, not a native speaker :) - so I'll explain, just in case:
Mounting, or anti-seize paste...
11-25-20, 01:13 AM
Replies: 41
Views: 2,201
Posted By Bike Gremlin

To be fair - Chinese can make high quality stuff...

To be fair - Chinese can make high quality stuff and sell it at roughly half the price of those made in USA/EU.
However, at least that's my impression, when "brand name" manufacturers outsource...
11-23-20, 04:27 AM
Replies: 2
Views: 279
Posted By Bike Gremlin

Forum is not a live chat. No need to do that. ...

Forum is not a live chat. No need to do that.

As for the question, first to note that I'm not a mechanical engineer (though I suspect that people who approve and marked many cycling-related...
11-18-20, 10:55 AM
Replies: 52
Views: 2,248
Posted By Bike Gremlin

I've seen double walled rims of different profile...

I've seen double walled rims of different profile (depth) - haven't measured wall thickness though - take different amounts of total spoke tension. "Shallower" one couldn't take nearly as much. Do...
11-17-20, 04:35 AM
Replies: 52
Views: 2,248
Posted By Bike Gremlin

Wall thickness is one variable. You think that...

Wall thickness is one variable.
You think that the depth of the "box" - for double walled rims - makes no difference?
That's a bit counter-intuitive for me, but I could be missing something.


...
11-16-20, 11:56 AM
Replies: 52
Views: 2,248
Posted By Bike Gremlin

Comparing single walled aluminium rim, to a...

Comparing single walled aluminium rim, to a double walled one. The double walled ones allow a lot higher spoke tension before they get out of true when stress relieving the spokes.
Similarly, not...
11-16-20, 04:28 AM
Replies: 52
Views: 2,248
Posted By Bike Gremlin

It has been my experience that stronger rims...

It has been my experience that stronger rims result in increased spoke life. Heavy riders, bumpy roads + poor quality spokes are an unforgiving combo. Letting me quickly see what works and what...
11-15-20, 03:22 AM
Replies: 52
Views: 2,248
Posted By Bike Gremlin

Agree with most things you noted in posts in this...

Agree with most things you noted in posts in this topic. Adding my 2c, hoping to provide some perspective - from my (limited) experience:

Good quality spokes of any make are quite difficult to...
10-31-20, 08:38 AM
Replies: 11
Views: 1,063
Posted By Bike Gremlin

I had bought a new Brooks Flyer leather saddle....

I had bought a new Brooks Flyer leather saddle. Applied their super-expensive shoe cream to make sure it's protected from drying out and getting too soaked with rain, or sweat.
Parked the bike to do...
10-30-20, 11:17 AM
Replies: 5
Views: 700
Posted By Bike Gremlin

I have eliminated the play. Placing one thin (0.5...

I have eliminated the play. Placing one thin (0.5 mm) spacer from my spare parts bin on the left hand side of the axle (slid it on top of the existing spacer). Not the "original" (RaceFace) part....
10-30-20, 09:48 AM
Replies: 24
Views: 1,275
Posted By Bike Gremlin

It never stops, does it? :) I sleep better...

It never stops, does it? :)
I sleep better after doing a full overhaul - at least once in a bicycle's lifetime (usually right after I acquire it). Prefer anti-seize...
10-28-20, 10:41 PM
Replies: 107
Views: 6,091
Posted By Bike Gremlin

My thoughts: With disc brakes (and riding...

My thoughts:

With disc brakes (and riding torque) - spokes carry the load by both tightening, and loosening (just depends on whether a spoke is a leading one, or a trailing one).
Neither of the...
Showing results 1 to 50 of 1000
 


 
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