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3:33 AM
@Criggie i have definitely found myself in situations during covid where the only bb i could order that meets a certain compatibility need is ceramic and big money
 
okay fair enough - but do you contact the customer or just spend their money for them ?
I suspect OP there didn't get a quote
 
2-3 times over the past couple years it's been someone replacing an broken SX or NX eagle rd and the literal only thing i could get to replace it was XO1
no i wouldn't do something like that, those situations usually turn into them finding some random thing aftermarket or whatever
i'm lucky to work somewhere that doesn't fuss about that
@MaplePanda most shops most of the time use a flat rate and stick to it, such that the agreed upon estimate is what the customer winds up paying
 
Definitely a good time to have "stock on hand"
screw the accountant who wants you to run down stock levels.
 
i knew of one shop once that tried to use stopwatches as a genuine way of keeping things fair, i.e. you pay for the time spent and no more or less, and it basically doesn't work. things go off the rails and take longer than they're "supposed to" in bike shops too often.
but otoh the retail/repair industry has been slowly navigating it's way through margins and parts getting lower and service and local available expertise being the main thing that customers actually need. there's a lot of history with shops going by the philosophy that the real profit is always going to be in bikes and parts/accessories/clothes, and service mostly is there to be a loss leader or cost of doing business or whatever. that's all slowly getting flipped.
*margins on parts
so past precedent isn't everything in this era
 
Computers went through this starting in in the 386-486 era... you could buy the same part from anyone, so it was a race-to-the-bottom with alternate sellers being a dollar cheaper than the other guy for identical items.
eventually the hardware sales were a nice-to-have but not a business in itself
 
3:52 AM
yeah very similar
hadn't really thought about that before but it's true
 
4:06 AM
with bike parts, a lot of it is the mfgs simply doing what the can to keep as much margin for themselves as possible and not really caring who spends what on overhead to have a brick and mortar shop
*they can
and more stuff available direct to consumer or from lower overhead operations in general
i have no problem with it, but it has caused a lot of turmoil
 
yeah - I've started buying several of a thing when I find it, kinda hoarding but not quanititles
Like if I need a chain, I'll buy two or three and stock the unused ones.
having it and then needing it is quite the endorphin rush
 
4:27 AM
a sentiment dangerously suggestive you might enjoy working at a shop
 
honestly - if I had to change career, maybe I would.
Do you have a lathe at your shop ?
 
4:48 AM
no
 
....not yet :)
 
yeah there are definitely times itd be useful
i think the day that 3d printers being in every shop is coming
 
I use mine for cleaning up round things - it makes sanding shafts super easy and a lot less sketchy than doing it in a drill or drill press.
 
yeah totally
 
3d printing is awesome - I think I've got at least one printed part on all of my main bikes now.
Nothing structural of course
I have a future plan to make a cable stop for the folding bike, to get the front derailleur working
 
4:50 AM
that thing does a lot of such jobs
 
Yep - I have a couple things like that but mine are all metal. Got to have a set to suit different sized holes/tubes though
 
that and a swivel deburrer and belt sander are waht i use
 
belt sander? seems a bit big - more like a finger sander ?
 
it's a small one, i think the belts are 1x48.
 
I so-want a finger sander - and a welder, and a mill, and a bandsaw, and a bigger lathe, and 3 phase power, and more space to set it all up.... and and and
Been idly wondering how hard it would be to build the frame I want myself.... but every time I get stuck in there's a lot to learn.
 
4:53 AM
totally
it's a pasttime all itself
 
I talked wiht the sole framebuilder in NZ, and he said he got into it for the same reason - couldn't find a bike big enough for him.
 
i took doug fattic's framebuilding class in 2009 and nerded out on the subject 2-3 years prior to that
 
I also wondered if simply extending a frame would be "good enough" rather than building the whole thing
 
there's kinda a paradox in that there are legit, simple ways of doing a frame or two with minimal tooling, but studying how to do it with truly minimal tooling is a massive time commitment
 
then realised that throws the geometry off completely.
 
4:58 AM
nah that kind of thing doesn't really work. angles.
 
exactly
 
if you already know how to braze or weld thin walled stuff and are good with hand filing then that's a plus, but those are skills that need serious development if one wants to make a frame for themself
 
Must be time for a mid-life crisis.... Red convertible sports car? Red racing road bike? Red TIG welder and gas setup? mmm!
 
If one knows how to hand miter with files and braze steel, then at that point yes there are ways of doing a frame with very minimal tools
 
BRB - googling "how to weld carbon fibre"
:)
 
5:01 AM
money
 
My BIL does race cars for fun - he once asked why noone ever built a fibreglass bike. I had no answer.
 
i don't really know about fiberglass
i don't believe it has a strength and stiffness to weight that's competitive in the application compared to other things
 
me neither - seems to be a technology that skipped bikes.
I mean - you get boat hulls and masts made from fibreglass, and car body panels and seats, etc.
 
yeah i don't want to bs an answe
r
 
I know it suffers in UV light but paint fixes that.
yeah maybe it was a strength-weight thing.
 
5:04 AM
i mean a material can have very good strength:weight and still not be competive with aluminum, steel, or carbon
 
1960 Bowden Spacelander was a fibreglass shell with metal underneath
 
that's cool. looks heavy af :)
 
yeah doesn;t give a weight - but super aero !
> The reason glass fibers aren't used much in bicycle structures is that its stiffness is much lower than carbon. It is about 1/3rd as stiff as standard modulus carbon.
 
yeah that's kinda what i thought
 
Yeah that sounds reasonable - fibreglass does have some flex to it
 
5:10 AM
so not strength, but stiffness
 
maybe the cyclic loading every pedal stroke does it a mischief over time.
and adding thickness to restore stiffness increases weight.
 
yeah i mean i have no doubt you could make a functional bike with it. it's just that it takes a lot to contend with the mainstay materials
4130 is a mind bogglingly amazing material for bikes in terms of physical properties and even it can barely find a home anymore
eventually it will all just be one piece graphene monstrosities without bolts and distinguishable parts etc
 
yup.
If I could print a bike frame, I totally would.
 
@NathanKnutson imagine how light and indestructible they would be
maybe even Juhist would ride one
 
maybe !
 
5:18 AM
yeah
 
I do wonder what Juhist's take on disc wheels is
 
depends - is it one spoke or infinite spokes ?
 
Do they count as infinite spokes or one <thinking emoji>
 
>SNAP<
 
5:19 AM
Jinx!
 
really most disk wheels are just covers.
 
that was amazing
 
great minds think alike
 
cyclists riding in a chainline or bunch - all thinking alike.
react in kind
like those schools of fish swimming about or flock of birds in harmony
 
5:21 AM
And for many of the same reasons too
@NathanKnutson Yeah that's how my shop works
 
so much lip service paid to each human being a unique entity and a wealth of individual experiences and perspectives, and it's true, and then you both manage to say that at once.... that's the universe playing tricks right there.
 
*the shop I work at
 
flat rate or timed?
 
@NathanKnutson the random number generator ran out of entropy :p
 
@NathanKnutson When the subject is Juhist, there is not much deviation from the norm to be expected
We have a sheet with jobs and prices
eg brake bleed $15 minor wheel true $10 etc
 
5:23 AM
@MaplePanda but what do you do if for example something is stuck and you need an extra hour on a simple job?
 
@Michael that is a great question and is a good example of why life in bike service is hard, and why for most of the history of the industry service was looked at as a cost of doing business type affair
there's no great answer.
 
To be honest I am working in sales, not as a mechanic
 
I think for car maintenance you pay by the hour, right?
what about construction work?
 
In automotive it's still a headache for them to navigate, but they're basically more hard line about it and for cultural reasons, customers are more accepting of that.
 
well it depends of course

I believe most car places use a hourly rate for "interesting" jobs, and then routine jobs are booked as a fixed time
 
5:27 AM
(not that i know everything about that subject)
 
I take a cake in every 6 months when my car goes for a WOF. So that counts against billed hours :)))
my car's a bit weird, so they appreciate it
 
they have to go wake up great grandpa who's sleeping in the back
 
stuck fastener surprises are bad news sometimes.
 
@MaplePanda yeah - most of the modern young mechanics can't cope if the car lacks a diagnostic port.
 
and seatposts
 
5:30 AM
ooo that could be a good april fool's trick - stick an ODBII port in the landy and rock into a garage, Watch them "diagnose" issues
fake up the results with a small embedded device and some sensors.
 
@NathanKnutson no better way to ruin your day than a stuck seatpost
 
@NathanKnutson what's your thought when a shitty $100 Milazo comes in?
compared to a nice bike that is just dirty
 
I'd take the opportunity to attach a ODBII to some high end ebike and tell the mechanic it's throwing some kind of error code

muffler bearings worn out or something
 
For comparison, a Milazo is $189 NZ.
Blinker fluid low.
P1337 "you're not cool enough to drive this car GET OUT NOW ! "
P12345 4WD not sufficient, engaging 5WD
P0069 "NICE"
 
navigating the customer interaction and getting on the same page about reasonable expectations and costs is the difficult thing about those kinds of bikes.
 
5:35 AM
P666 "I know what you did last summer"
 
Some cyclists seem to be low on turn signal fluid for sure
 
TBH I rarely signal. Only time I do is when someone has to wait for me or give way to me and my turn means they don't.
 
@NathanKnutson I had something like that today. I'm at an outdoor equipment place similar to REI. Guy comes up with this stool he liked and he yelled at our newest employee because it cost $97
 
you're at a fancy camping store sir...what were you expecting?
@Criggie Even in traffic?
 
5:37 AM
yeah - stuff's got spendy lately. Wages not really keeping up.
@MaplePanda Depends what's going on - there's no signal for "I'm going straight ahead" I tend to make and hold eye contact for things like that, or just stare at their tinted window where they should be.
 
people just love forgetting they have a choice whether to buy
 
Sitting on the ground is always free :)
 
@NathanKnutson except for when the mechanic slaps some ceramicspeed BB on your shit bike
I don't think even the hambini bb service costs that much
 
I mean putting on a money ceramic part without approval is ludicrous, no way I condone tht
that
 
heh - not wrong there. Save a half a watt on your clunker.
Someone in the front desk didn't talk to the mechanic in the back.
I try and talk to the person doing the work if I can.
 
5:41 AM
i only played devils advocate there because i have 100% had to tell a person the only thing can get them is ceramic and 5-10x the price of the normal thing.
and it's a shitty feeling
 
yeah not ideal - "I can get you this now, or the right thing is not in stock anywhere"
As the customer I'd start trolling through ebay/trademe listings.
 
twice in the last month or two i've had to do similar things although not as extreme when a basic repair fork wasn't available
both times involving old, unfashionable travel numbers.
 
and it doesn’t really raise the value of an overall cheap bike
like … who’d pay 300€ for a 50€ bike with a 250€ ceramic bearing?
 
yep. Like that rolhoff in the auction for the tandem velo-trike above - $1000 hub in a $400 bike.
 
Unrelated--anyone familiar with Norco Optic and/or Specialized Stumpjumper?
I'm planning on buying a frame to meet me in toronto
 
5:48 AM
no sorry - they sound like MTBs.
 
and I will simply supply the groupset etc to slap on it
Yes they're both MTBs in the light trail category
Having a hard time deciding
 
Sounds brave. Are you expecting to fit it up and ride that day ?
 
i've long wanted to do an experiment where i get a new in box dept store level bike and meticulously break it down and make it as best as i can possibly make it at whatever cost in time it takes, and then see how well it works.
 
@NathanKnutson build it as-supplied ? Or swapping crappy parts for better ones ?
 
yeah as supplied, no parts swapping.
 
5:50 AM
buy the box bike, leave it sealed, swap all the parts for better ones, job done.
 
but like rebuild the wheels etc
 
ok fair enough - sounds very berm-peakish
 
@Criggie Ship the bike to my residence and pray to whichever deity is up there I can get it done before the concierge kicks me out
 
i really want to buy a CKD english roadster but they're hard to get in the US
 
like a caterham 7 ? yeah they look nice. Completely impractical, but nice :)
 
5:52 AM
like one made for the indian domestic market or something
 
Where are they available?
Aha
Surely we have an indian rep on this stack somewhere
 
Plenty of indian users, but they tend to ask newbie questions and vanish.
 
i mean you can get them but i want to pay $40US+shipping for it
 
@NathanKnutson HAH you probably can't even get a wingnut for that.
 
bike 40 shipping 200
 
5:55 AM
@NathanKnutson I think depending on the bike it would work quite well. My little sister once bought a 250€ city bike and it was surprisingly okay-ish.
 
@MaplePanda I bought some recumbent specific parts pre-covid. They cost more for freight than the part.
Though to be fair the parts went from Chicago to Japan to New Zealand. Quite the tour
 
yeah i fully respect cheap bikes as long as they're the honest kind of cheap
or honest-ish
 
if they made a bare bones 1x8 speed city bike for 300€ without mudguards, crappy dynamo lighting and other gimmicks I think it could be great
 
my understanding is that describes a lot of japanese shopping bikes pretty well, but i need a 58 and they're probably 52ish
 
let's add a suspension fork to that puppy
 
6:03 AM
btw: a friend left me his ~500€ MTB for service while he’s on vacation. Should I slap a 250€ ceramic bearing on it and send him the bill? :D
 
how long will he be gone
 
1 week
 
ceramic bb is $30 on aliexpress
won't make it in time then, sadly
 
@NathanKnutson make it a 65cm and you see how I feel in this world of short-little bikes
Athentic Seramic! Top Kwalitee!
 
:D
 
6:11 AM
probably comes made from dried toothpaste. Looks the same, it'll do
 
wow, I didn’t know you could imitate an Indian accent in writing
 
nah you need to full axs it
 
that was an Aliexpress accent
whoops - missed sundown. Its full dark already.
 
6:39 AM
Those ridiculous aliexpress listings with the horribly photoshopped product photos and butchered descriptions are funny
 
7:11 AM
yeah - I'd buy a light or a battery from there, but not a brake part or a frame
 
could it be that 8 or 9 speed MTB shifting is super robust and reliable and just works?
this bike hasn’t been maintained in ages and still shifts supernicely
with cheapi-sh Shimano Alivio components
 
7:32 AM
Yeah it is. You can be a surprising number of barrel adjuster clicks off the “ideal” and it’ll still shift just fine.
 
7:49 AM
That sounds remarkably unfun.
"Yes sir, I can get you a new brake - our supplier says they expect stock in June 2024"
My bike shop does fixed/hourly depending on the task.
I was glad of the fixed rate for the screeching rear brake or i'd still owe them £1000 in labour.......
@NathanKnutson But they don't, the western world has conditioned them that they have to go spend on stuff. Otherwise they wouldnt need to keep going to work to keep the hamster wheel going
And the 'stuff' has to be at least as good as what the neighbours have
Yep, cheap/bso city bikes can work ok.
But ones that pretend to be MTB's are just straight up dangerous and should be banned
 
8:22 AM
@AndyP But people want it that way, everyone prefers new shiny factory-made stuff. If you give someone something self-made, it's always like "but it's not as perfect as an industrial product"
 
omg, these disc brake MTB wheels are untrue no matter what I do
I’m at the extreme ends of tension and still there is a kink at the rim joint
how bad is 2mm side wobble with disc brakes? Does it matter?
 
If the disc wobbles by 2mm 🤯
 
no no, the rim
 
Sounds like the rim needs some percussive maintenance
 
Friend is going to arrive back to find some new €1000 carbon rims fitted to the cheap MTB as part of servicing :P
 
8:43 AM
Climbing capability magically improved
 
it really feels like the rim is just crap
I actually have to revise my opinion on the original wheelbuilder’s job
 
9:17 AM
@NathanKnutson Check cheap Dutch Omafiets bikes. They do quite well for decades while being just a little better than a BSO.
 
@gschenk good point. I think their biggest weakness is rust.
 
They seem to survive well in the rainy Netherlands?
 
@Erlkoenig I’m actually surprised by that and I’m wondering what kind of steel they use
and if they are actually surviving that well :D
 
@Erlkoenig can you keep a bike in Nl long enough it rusts.
 
9:39 AM
@Michael Probably just a lot of coating
@gschenk Out of the big cities, sure...
 
So the question about servicing PD-M520's
Is that really a thing? I've had 2 sets of those and the first set I wore out the cage that holds the cleat before needing to service bearings.
And at £30 for a pair of pedals I think if they did need servicing then new pedals would be easy choice
 
my PD-M540 are still going strong too without any maintenance
can you even open them?
 
9:57 AM
evidently you can open them.
I'll worry about that sort of thing in another 25yrs when I retire
 
but can you open and close them and access all the bearings without breaking anything?
with a blowtorch you can open anything of course :D
 
And speaking of wierd questions.
Who tries to make an aero jacket by adding a 1m shark fin on the back.
Whilst riding a super upright hybrid?
Just buy a road bike ffs
 
yah - I tried to go that way without being blunt
Aero clothing is a thing, but not like that
 
I'm going to go ahead and say simply taking the jacket off and riding in base layer is going to be ~10W faster than jacket+modification
Also, good luck wearing shark fin in a crosswind......
@Criggie Related to your answer, some of the recent thinking coming from aero testing for time trials suggest filling the void at your front (between body/arms) is quite important. People been wearing hydration bladders on their chest
 
10:54 AM
it’s a fair question but I also don’t think that adding anything to your back on a road bike or even TT bike is going to help
the back is already quite streamlined
I think the legs are much more problematic, IIRC in some high speed bike records they added stuff to the back of the legs?
 
11:13 AM
@Michael It does work. iirc this was banned by the UCI: bikeradar.com/reviews/accessories/hydration-packs/…
 
 
2 hours later…
1:20 PM
So, CX racing.
If my CX bike came with a 50/34 crank and I currently use it as a winter road bike.
In the imaginary situation I decide to try some CX races - do I just stick knobbies on it and pretend its a 1x10 with 34t front ring?
 
@AndyP usually there is one long flat stretch (sometimes even on road) where you might be able to use the 50t ring
 
I give the odds of a microshift FD actually working after a couple of laps in the mud to be approximately 1in100000000
 
my CX70 worked perfectly fine
but in general IMHO gearing in cyclocross races is way too hard, especially for amateurs
 
agreed. I've done enough MTB to know how riding on grass/mud feels.
And sure it'll be a bit cross chained, but pretty sure 34/11 is likely to be enough for me.
I might be strong in terms of W/kg, but my raw power is pretty unremarkable
In fact overall i'll probably be utterly terrible at CX.
But there's actually ~4 races within a sensible drive distance this year and it might be fun to do something different
 
1:37 PM
CX is fun :)
but utterly exhausting
though I only did one CX race in my life
then I left the bike behind and only did running :D
and when I couldn’t run anymore I did climbing
 
Other alternative is zwift racing.
But the category system is utterly broken and 95%+ of races are short and flat = pointless for me
 
 
3 hours later…
4:30 PM
@gschenk yeah that's a good idea. from what i've seen it's also difficult to get the real thing in that genre here in the US - some companies do sell nice Dutch bikes here, but not cheap ones.
 
4:58 PM
just opened the screws on the bottom of a cheap Suntour XLR coil suspension fork and a ton of thin brown liquid came out. Was this water or is it supposed to be lubricant? Doesn’t happen to the guy in this video on a very similar fork: youtu.be/BIJPeh-D8D4?t=201
*Suntour XCT V4 MLO
 
 
1 hour later…
6:07 PM
further investigation reveals it’s water. A shitton of water and rust in this fork
gunk everywhere
 
That's not good
Is there a drainhole? Sounds like it might be pluigged, or the seals are dead, or its not been serviced in a long time
The latter is almost guaranteed :)
 
Consider yourself lucky it wasn't completely decayed oil 😅
 
6:27 PM
@Michael those sorts of forks just need everything smeared with a suspension type grease and done. no free oil.
 
@NathanKnutson can I use bearing lithium grease?
@Criggie I think the seals are just really bad and it hasn’t been service ever
 
heh - every 50 hours, yeah right like that happens.
 
I still can’t understand how that much water got in. It’s like it was submerged at some point
 
No free oil - should it have a drain hole added then ?
 
even pressure washing couldn’t force that much water in
 
6:32 PM
condesnation perhaps ?
 
didn’t see any drain holes
 
To be honest I really don't know because I've always got "the right thing" around so I'm bad at questions like that. It would probably be fine.
 
@NathanKnutson the internet is really inconclusive when it comes to lubricants and rubber/plastics
 
If it were a nice fork I would say no but it probably doesn't really matter here, with the qualifier that with a proper suspension grease you typically put a lot in on a fork like that. Having a lot there for water ingress to gradually deplete is what makes it low-maintenance.
If you cram it full of a higher viscosity grease it could be sluggish or weird so I probably wouldn't do that.
susp grease is much slicker and lower viscosity
The seals/plastics part I wouldn't worry about.
 
it’s a coil fork, the performance is shit anyway :D
though it’s really one of the better ones
even has a lockout
and doesn’t wobble
it seems to be way too strong though, I can’t bottom it out no matter how hard I try
 
6:38 PM
Eat more cakes!
 
I have a surprising amount of self restraint when it comes to cakes :D
 
it wouldn't surprise me if using a bearing grease also resulted in the stanchions being dirtier, but that's a guess
 
I restrain myself from eating to little cake
 
the lockout wouldn’t engage anymore, but I think I can fix it
 
That it has a lockout is good. Not complete garbage then.
I'd suggest drilling a drainhole at the bottom of each stanchion and only using grease. But its suspension and that's not a strong point for me.
 
6:47 PM
I’m wondering if and how the air can move in normal operation
there has to be some hole and maybe it’s necessary for the damping?
 
Yeah - maybe there's air holes at the top of the stanchions. How does the lockout work - is it physically clamping things or what ?
 
there are two rods, one from the top and one from the bottom. When they are aligned they form a rigid connection
otherwise they slide along each other
 
okay - nice and simple then. I don't know how it deals with air compression.
 
except for the weight of the two rods ;)
 
Maybe the air just phlups out through the seals under compression?and it sucks air back in the same way ?
Or maybe the compressed air adds to the Spring effect ?
 
6:58 PM
It only ever retailed as a €50 fork. It was only ever decorative and not designed to work or last.
Good news is whatever you do to it probably cant make it work any worse
@Michael thats about normal for a cheap coil fork. they spec a coil that only works if you are 90kg. and there's probably minimal/no damping so if you are heavy enough then its just a pogo not suspension
 
7:37 PM
@AndyP: What do you say about adding a drainage hole?
 
8:28 PM
its got a lockout - that makes it higher than bottom tier. Not a lot higher, but some
 
 
1 hour later…
9:32 PM
I'd be looking for how the water got in before making any holes.
But I honestly think you can do whatever you like and not harm the functionality of the fork because it probably didnt have any functionality to begin with
@Criggie That's for when people realise how bad a fork it is so they can make it into the rigid fork they should have got in the first place :P
 

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