c/bicycle-mechanics

Picked a cheap spoke wrench over a Park Tool one, now I'm kicking myself

I grabbed a $4 generic spoke wrench from the hardware store instead of spending $12 on the Park Tool SW-0, and after truing one wheel I already rounded off the 14g nipple slots. Has anyone else had luck with the budget wrenches or am I just wasting time and money?

Vent: An old timer at the co-op told me I was over-torquing my stem bolts and he was right

I've been wrenching on my own bikes for about 4 years now. Always used a torque wrench on my stem bolts, set it to the max spec on the part. Thought I was being careful. Then last winter at the co-op in Austin, this guy Bill who must be 70 years old watches me tighten a stem and just goes "you're gonna crack that steerer tube doing that." I got defensive at first, told him I was following the numbers. He said "the numbers on the part are for when everything is bone dry and brand new, which it never is." He showed me his method - grease the bolts, back the torque off by like 15%, and do a star pattern. Felt sketchy at first but I tried it on my commuter. 8 months later no slipping and no creaks. Has anyone else been told they were overthinking torque specs by an old school mechanic? I still use the wrench but I dial it back now.

Shoutout to the shop in Portland that showed me how to true a wheel in 8 minutes flat

Was at a shop in Portland last winter helping a buddy with a wheel build. The head mechanic walked over, saw me struggling with tension, and grabbed the spoke wrench out of my hand. He showed me this trick where you sight down the rim from the hub instead of the tire side. Took me from 25 minutes per wheel to about 8 once I got the hang of it. Anyone else picked up a weird shortcut from watching a pro work?

Appreciation post: hit 200 true wheel builds this morning without meaning to

I was just cleaning up the truing stand after a job for a neighbor's old touring bike and realized my build log hit 200. That's just wheels I actually laced and tensioned myself, not counting simple trues. It snuck up on me because I mostly do this as a side gig from my garage in Portland. Has anyone else had a number creep up on them like that without realizing?

TIL most shop owners are dead wrong about using WD-40 on bike chains

I've been working at a shop in Portland for about 8 years now and I always heard from the old timers that WD-40 was the devil for chains. They swore it stripped all the factory grease and ruined components. But I actually looked up the testing data from a guy who ran a bunch of chain wear tests on a rig. Turns out modern WD-40 Specialist line has PTFE in it and actually works fine as a cleaner and light lube if you apply it right. The real killer isn't the product, it's people spraying it on wet and never wiping off the excess. I saw a test where a chain lubed with WD-40 lasted 2500 miles before hitting 0.5% stretch which is totally acceptable for a commuter. Has anyone else actually run their own wear tests or are we all just repeating what some mechanic said in 1985?

Had to pick between hydro discs and mechanical discs for a customer build

Had this touring bike come in last month, customer wanted disc brakes but was on a tight budget. I ended up going with the mechanicals because they're way easier to service on the road and you can fix them with basic tools. The stopping power is decent enough for loaded touring, just gotta keep the cables fresh. Anyone else find mechanical discs underrated for certain builds?

That guy who tried to return a chain he clearly snapped himself

A dude walked into my shop last Tuesday holding a busted KMC chain, swearing it broke on its own after only 200 miles. I showed him the twisted link and the tool marks where he'd pried it apart with pliers, and he just stared at me like I was the jerk. How do you handle people who insist their gear failed when it's obvious they messed it up?

Found a cheap trick for truing bent disc rotors without a special tool

I was working on a buddy's bike last weekend and his front rotor was rubbing so bad you could hear it from down the street. Those fancy rotor truing forks are like $30 and I didn't have one on hand. So I grabbed an adjustable wrench from my toolbox and opened it just wide enough to slip over the rotor. Then I gently bent the warped section back into place by squeezing the wrench handle. It took maybe 10 minutes to get it spinning true and quiet. The rotor was a basic Shimano RT56 model so nothing expensive to risk. Has anyone else used this method or do you have a better homebrew trick for rotor truing?

Switched from spray lube to wax drip for my commuter chain

I used to just spray on that wet lube every few days and deal with the black gunk all over my pants. Last month I tried Squirt wax drip on a new chain and I haven't had to clean the drivetrain once in 500 miles. Anyone else make the switch and notice their chain lasting way longer?

Switched from zip ties to Velcro straps for cable management on builds and it's a game changer

Serious question, are cassette lockrings getting softer or is it just me?

I've been spinning wrenches for about 5 years now, and I swear last Tuesday I had a lockring from a 2022 Shimano 105 group practically strip just hand tightening it before torquing down. Back maybe 2 or 3 years ago, I could torque those things to spec with a Park Tool wrench and never worry. Now I'm finding myself using anti-seize on the threads and going real careful. Has anyone else noticed lockrings from newer groupsets feeling cheesy, or did I just get a bad batch from that one ride?

TIL I've been greasing bottom bracket threads way too heavy for years...

Was helping a guy overhaul a 90s Trek in Denver last month and he showed me how a thin film is all you need, not that thick paste I've been globbing on since I started. Anyone else find out they were overdoing a basic step after way too long?

Went back to a bike I built 2 years ago and the cables were trashed

Took in a trade that I originally built up in 2022 and the housing was all crunchy and the shift cable had rust spots. Did the liners I used back then just suck or is 2 years about normal for daily riding in the PNW?

Just switched from using cable cutters to a dremel for housing

After ruining my 5th pair of Park cutters on some cheap housing last month, I grabbed my dremel with a thin cutoff wheel and it's way cleaner cuts with no fraying, has anyone else made that swap or found another trick?

The day I stopped using grease on pedal threads

I used to always slather grease on pedal threads before installing them. That's what I was taught when I started wrenching at a shop in Portland 6 years ago. Then last month I had a customer come back with a stripped crank arm on a brand new SRAM crankset. Turns out the grease let me overtighten without realizing it, and the aluminum threads just gave out. Now I use a tiny drop of blue threadlocker on the pedals instead. It keeps them from backing out but still lets you remove them with a normal wrench. The trick is using just a dab, not a whole drop, on the first few threads. Has anyone else made this switch or had a crank arm get ruined from overgreasing?

Spent 15 years greasing pedal threads before a retired mechanic at a swap meet told me I was just trapping dirt

He pointed to my worn-out crank arms and said all that extra grease just holds grit against the aluminum, so now I just put a tiny dab on the spindle and nothing on the threads, anyone else learn a basic thing way too late?

Still don't get the hype around hydraulic disc brakes on touring bikes

Had a customer bring in a 2024 Surly with full hydraulic XT brakes last week, swore they were the future for loaded touring. I've been running cable discs on my 1998 Litespeed since 2016 through six cross-country trips and never had a failure, so I'll keep my simple setup thanks.

Debate: Park Tool stand vs. Feedback Sports - which do you really want for a busy shop?

I've been running my own repair shop in Cleveland for about 6 years now. I had to pick between the Park Tool PCS-10 and the Feedback Sports Pro Elite for my main work stand. Went with the Park because of the heavy duty clamp and stability. But after a busy season last summer, I'm wondering if I should have gone with the Feedback for its folding design and lighter weight. The Park is solid but takes up a lot of floor space and is a pain to move around. Has anyone else worked with both and found one clearly better for everyday use?

Spent $80 on a Park Tool cable cutter. Total waste of money.

Bought the Park Tool CN-10 cutter last month because everyone says you need a good one. First use it frayed the end of a Shimano shift cable. Like... badly. Tried cutting slower, still messed up. Returned it and got a $15 pair of Knipex side cutters from the hardware store. Cuts clean every time. No fraying at all. What do you guys use for cable ends?

Just had the worst brake bleed day of my career last Tuesday

Three bikes in a row. First one was a Shimano XT that just would not stop sucking air. Tried everything, new olives, fresh fluid, even a vacuum bleed. Second one was a SRAM Level that had a stripped bleed port. Third one was some cheap Tektro on a department store bike where the lever just exploded mineral oil everywhere. By the time I got home my hands smelled like brake fluid and I still had a headache from the fumes. Has anyone else had a day where the universe just decided you weren't gonna win with hydraulics?

Found a faster way to bleed Shimano brakes with a syringe clamp

I got tired of fighting with the funnel and syringe method on XT brakes last month. Tried using a small spring clamp from the hardware store to hold the bleed syringe plunger steady while I worked the lever. It stops the plunger from creeping back and sucking air into the system. Cut my bleed time from 20 minutes to about 8 on a full flush. Anybody else use little tricks like this for messy jobs?

TIL a simple thank you from a first-time bike owner can make your whole week

Last Tuesday a guy came in with a beat-up hybrid he bought off Craigslist. I spent about 20 minutes showing him how to lube the chain, adjust his seat height, and check tire pressure. He looked at me after and said "nobody ever took the time to explain this stuff before." It was just a basic tune-up chat but that moment reminded me why I got into this trade. Has anyone else had a customer interaction that really stuck with them?

Got caught in the rain with a seized seatpost in Portland

I was on a group ride last month near Forest Park when my friend's seatpost completely seized up. We tried everything from penetrating oil to a pipe wrench but nothing budged. Ended up having to cut the post out with a hacksaw right there on the trail. Has anyone else had luck with those cold spray tricks for aluminum stuck in steel frames?

Warning: That week I had 6 bikes come in with the exact same brake failure

Just hit 500 bottom bracket overhauls and realized I’ve been greasing the wrong spot this whole time

Found out after number 500 that I should have been greasing the threads on the non-drive side cup, not just the bearings, and now I’m wondering how many creaks I could have saved customers from.