c/bicycle-mechanics

Hot take: Park Tool cone wrenches are way better than the cheap ones

Bought a $8 set on Amazon and stripped a cone nut on my old Fuji within a week. Picked up the Park Tool set for $45 and they actually fit right, no rounding. Anyone else waste money on bargain tools first?

3 comments

charles836•3d ago

Debate: Did switching to waxed chain lube actually save me time or just shift the work?

I used to just drip oil on my chain every few rides and call it good, but after a muddy 40-mile ride last fall I switched to a wax-based system and now I clean the chain every 200 miles instead. The thing is, waxing takes way more setup upfront - like melting and dipping - but I don't have to wipe down black gunk off my frame every week. Am I the only one who thinks the trade-off is worth it for less drivetrain wear, or do you guys prefer the old messy method for speed?

3 comments

leewood•4d ago

Unpopular opinion: I actually prefer cable housing that's a little too long

Had a chat with this old timer at the co-op last Tuesday who said he's been running long housing loops for 20 years and never had a shifting issue. I used to trim everything super tight like everyone says, but after trying his way on my commuter, the shifts feel smoother and I don't have to replace cables as often. Anyone else ditch the clean look for better performance?

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aaron880•20d ago

Tried Park Tool's chain checker against my cheap caliper method

After 3 chains that skipped like crazy, I finally bought the CC-3.2 and found out my homemade gauge was telling me chains were fine when they were stretched past 0.75. Has anyone else had a cheap method let them down?

3 comments

julia_carter61•21d ago

Unpopular opinion: Stop putting new cables on bikes with rusty housing

I see it all the time at the shop, people swap out frayed shift cables but leave the old housing on. Did a tune up on a Trek hybrid last Tuesday and the owner said he just had new cables put on last month. I pulled the housing off and it was rusted inside, making the shifting feel gritty and slow. You're basically wasting your money if you don't replace both, right? Has anyone else had customers argue about this after you show them the rust?

3 comments

pat_murray53•22d ago

The day I figured out I was overtightening derailleur bolts for years

I was swapping out a rear derailleur on a customer's bike last Tuesday, the same job I've done a hundred times. After I got it all set, the shifts were rough and the hanger looked tweaked. The guy I work with, Mike, came over and just tapped the bolts with his pinky and said 'you're cranking these down like lug nuts.' I always thought tight was good, but now I realize I was probably warping the mounting plate on every install. Has anyone else had a moment where you found out you were using way too much torque on something simple?

3 comments

alice928•22d ago

Switched to tubeless tires after a nasty flat on my commute last Tuesday

I was riding home in Seattle when my rear tube blew out at the worst spot on the Burke Gilman trail. After spending 20 minutes fixing it in the rain, I finally gave tubeless a shot and the sealant handled a small puncture on day two. Has anyone else found that tubeless is worth the mess or do you stick with tubes for reliability?

3 comments

patricia32•23d ago

Had a crank arm snap clean off on a test ride yesterday

I was test riding a customer's old Schwinn after a bottom bracket overhaul and the right crank arm snapped right at the square taper about two blocks from the shop. Luckily I was going slow and didn't eat pavement, but I had to walk the bike back carrying the pedal in my hand. Anyone else run into random crank failures on older bikes, or was this just a fluke from metal fatigue?

3 comments

flores.emma•24d ago

Had a regular tell me my bottom bracket was too tight last week

This older guy named Roy came in with his old touring bike and after I did a quick check he said my preload felt off. He showed me how he sets his by feel with a little back and forth before tightening, and sure enough I was overdoing it. Has anyone else gotten good tips from customers who know their stuff better than you?

3 comments

iris_schmidt•24d ago

Talked to an old school mechanic about disc brakes and it changed my mind

I was at a shop in Portland last week and this guy who's been fixing bikes since the 80s told me he still prefers rim brakes over discs for road bikes. He said discs are just more stuff to break and harder to fix on the side of the road. I always figured discs were just better period, but he had a point about keeping it simple. Has anyone else had a mechanic change your view on something you thought was obvious?

3 comments

brooket43•27d ago

That time a customer's squeaky chain taught me how to spot fake ceramic bearings

I was working on a guy's road bike at the shop in Portland last month, and his drivetrain sounded like a haunted house. I kept checking the chain and cassette, but the noise was coming from the hub. Turns out he'd bought some cheap "ceramic" bearings off Amazon, and they were basically plastic with glitter. Now I always ask folks where they got their bearings before diving into a full tune-up. Has anyone else run into these fake ceramic bearings causing weird issues?

3 comments

pat_roberts55•28d ago

Just spent 3 hours hunting a phantom creak in my bottom bracket

I was rebuilding a 2018 Trek Domane and heard this awful creak every time I stood up to climb. Took me forever to realize it wasn't the bottom bracket at all, but a loose derailleur hanger bolt that I'd overtightened and stripped a bit. Has anyone else wasted an afternoon on a noise that turned out to be something totally dumb and simple?

3 comments

murray.robert•28d ago

Pro tip: forget cable ties, try this for internal routing

I spent two hours fighting with a shift cable inside a carbon frame last week, using magnets and zip ties like everyone says. Finally grabbed a old spoke, bent a tiny hook on the end, and pulled the cable through in under ten minutes. Anyone else find that the common advice here just doesn't work for certain frame shapes?

3 comments

anthonynelson•29d ago

The day a guy at the local co-op showed me why my chain was skipping every time I climbed

I was at the Bike Kitchen in Portland last Tuesday and this older volunteer named Dave watched me struggle through a shift on the stand. He grabbed a Park chain checker and ran it over my drivetrain and just laughed. Turns out I had been riding on a chain that was stretched way past .75 for like 2 months, which explained the skipping under load. He swapped it in 5 minutes with a new SRAM one and now I check every chain I see before I even touch anything else. Has anyone else had a simple tool fix a problem you were chasing for weeks?

3 comments

nancy_king29•29d ago

Learned about wheel true from a grumpy old mechanic back in 2015

A guy at the shop in Portland told me I was using too much tension on the spokes, said I was making the rim as stiff as a steel girder. He showed me how to let some tension off and let the wheel flex a bit, which actually made it stronger in the long run. Anybody here ever gotten advice that completely changed how they build wheels?

3 comments

abbyp61•1mo ago

Had a pedal seize on a group ride near Denver last Sunday

Stopped to help a guy with a crank issue and realized his pedal threads were totally dry, took us 20 minutes to work it loose with a wrench and some chain lube. Anyone else carry a small tube of anti-seize in their kit now?

3 comments

wader71•1mo ago

That Tuesday where nothing went right on a 2018 Trek Emonda

Had a day last week where I snapped 3 spokes truing a wheel, then stripped a bleed port on a set of Ultegra shifters. The kicker was when a customer came in and said his brake cable snapped while he was going down a hill near Lake Ontario. Spent 4 hours fixing that mess alone. Anyone else have a shift where every single repair fights back?

3 comments

abbyp61•1mo ago

The difference 6 months and a torque wrench made on my builds

I used to just tighten bolts by feel, thought I had it down pretty good. Then I started using a torque wrench on every single bolt about half a year ago. The difference in how quiet my bikes are now is massive, no more creaks or weird noises after a few rides. Even the shifting stays dialed in way longer, like weeks instead of days. Has anyone else noticed a big change after they finally started torquing everything to spec?

3 comments

wood.uma•1mo ago

Had a customer in Tucson convince me grease is overrated for bottom brackets

This guy rolls in with a 20 year old mountain bike, never once greased the bottom bracket, and it spins smooth as butter. I've been slathering that stuff on every install for years because that's what the old shop lead taught me. He said I was just making a mess that attracts dirt and grit, and honestly after cleaning his setup I see his point. Has anyone else found less prep actually works better on certain builds?

3 comments

the_nancy•1mo ago

Shoutout to the guy who warned me about old cable housing

I was rebuilding a 1990s Trek 520 in my garage last Tuesday and decided to reuse the brake housing since it looked fine. Halfway down a test hill near my house the rear brake stuck open from rust inside the housing and I almost went through a chain link fence. Had to walk the bike back and cut all the housing off with a pair of side cutters. Anyone else ever had old housing fail on them at the worst time?

3 comments

baker.christopher•1mo ago

Comparison between KMC and SRAM chains on 11-speed setups

I ran SRAM chains for about two years on my gravel bike and kept getting stiff links after every big ride, no matter how much I cleaned them. Swapped to a KMC X11 last spring and the shifting feels smoother and I haven't had a single stiff link in 400+ miles. Anyone else have better luck with one brand over the other?

3 comments

charlies37•1mo ago

Finally tried waxing my chain instead of wet lube. Never going back.

I spent like 3 years using fancy wet lube on my commuter bike and dealing with that nasty black gunk buildup on my drivetrain. Finally broke down and bought a crock pot for like 12 bucks at a thrift store, some paraffin wax, and PTFE powder from Amazon. Took me about 45 minutes to do the first batch of 3 chains, rotating them every week. After 2 months, I can actually touch my chain without needing a hazmat suit and my cassette looks almost new still. Has anyone else tried waxing and noticed their shifting stayed crisp way longer than with regular lube?

3 comments

amy_martin•1mo ago

That Tuesday when every single bike came in with stripped pedals

I swear it was like a curse. I work at a shop in Portland and last spring I had 7 bikes come in on the same day, all with pedal threads messed up. One was a kid's bike where the dad used a wrench on the wrong side, two were from people who swapped pedals without grease, and the rest were just old and corroded. I spent hours with taps and helicoils. Worst part was one customer argued with me saying 'I just tightened it normal'. Has anyone else had a day where the same problem keeps showing up one after another?

3 comments

wright.leo•1mo ago

Been fighting with sticky brake cables for months, finally tried something different

I used to just lube my housing ends and call it good, but after 4 months of gritty Shimano cable feel I finally pulled the housing off a customer's Trek mountain bike and saw the liner was all chewed up inside. Swapped to Jagwire compressionless housing last week and the lever feel went from muddy to crisp in about 20 minutes of work. Has anyone else had that big a difference just from changing the housing type?

3 comments

ruby659•1mo ago

Finally figured out my chainline was off after a customer's comment

A guy brought in his fixed gear with a clicking noise I could not find for the life of me. I checked the bottom bracket, the chainring bolts, everything. He casually mentioned it only happened under heavy load, like climbing the hill on 5th Street. That made me put it on the stand and really crank the pedals hard, and sure enough, the chain was jumping a tiny bit on the cog. My chainline was off by maybe 3mm because I was just eyeballing it for years. Anyone have a favorite tool or trick for getting chainline perfect on track bikes?

3 comments