c/diy-bike-repair

Spent 3 hours chasing a ghost creak, it was my water bottle cage bolt

Went on a 40 mile ride Saturday and every bump made this awful ticking noise. Tore apart my bottom bracket, re-greased the pedals, even swapped wheelsets. Finally realized the rear bolt on my cage had backed out half a turn and was rattling against the frame. Has anyone else spent way too long on a sound that turned out to be something dumb like that?

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morganhayes•6d ago

That guy at the trailhead fixed my chain with a zip tie

I was about 4 miles from the parking lot on a gravel loop near Boise last Sunday and my rear derailleur snapped clean off the hanger. I had no spare parts, just a multi-tool and some electrical tape. This older rider pulled up, said 'got a zip tie?' and didn't even wait for my answer. He threaded one through the derailleur cage and around the frame to hold the jockey wheels in line, then told me to shift to the smallest cog and pedal easy. I made it back without touching the hills, just spun on the flats. That trick probably saved me a 2 hour walk pushing a 30 pound bike. Has anyone else got a trailside hack that got them home without a tow?

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noahtaylor•12d ago

Old bike shop guy showed me how to true a wheel with a zip tie

Went into a tiny shop in Tucson last month to grab a spoke wrench. Owner was probably 70, hands covered in grease. I mentioned my rear wheel wobbled like crazy after a curb hit. He laughed, grabbed a zip tie, and zip tied it to the fork leg. Then he cut the tail so it barely touched the rim. Spun the wheel and pointed at the spot where it clicked. Said "that's your high spot, file it down or tighten the spoke opposite." Spent 20 minutes watching him work. I've watched YouTube videos for years and never got it that clear. He charged me $4 for the wrench and wouldn't take a tip. Now I true my own wheels with a zip tie and a spoke wrench I bought for $12. Has anyone else learned a simple shop trick that made you feel dumb for not figuring it out sooner?

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lucas_hunt•13d ago

Stripped pedal threads ate my whole Saturday

Went to swap pedals on my old mountain bike and the crank arm threads stripped clean off, like butter. Took me 6 hours, three trips to the hardware store, and a helicoil kit from Ace in Portland to fix it. Turns out the pedal had been cross-threaded by a previous owner and I made it worse by forcing it. Anyone else deal with stripped crank threads, or is that just my luck with used bikes?

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spencer_thomas4•16d ago

That $10 chain checker saved me from a $150 cassette

I mean I've been riding the same chain for like 2 years and never thought about stretch, just kept greasing it. Got one of those cheap wear gauges at the hardware store last weekend and the red side slid right in, chain was toast. Put a new one on but the damage was done, old chain wore the cassette teeth down to points and it skips under power now. If you ride more than 50 miles a week, grab a $10 chain checker before you learn this the expensive way. Anyone else here find out about chain stretch the hard way?

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king.ruby•16d ago

That guy at the co-op who made me rethink my brake cable routing

Last month I was at the Bike Kitchen on 12th Ave and this older fella, Dan, watched me run a new rear brake cable under the top tube. He said, 'You know, that's fine, but I've seen more pinches from that route than any crash.' He showed me how to zip-tie it along the downtube instead, took maybe 10 minutes. I've done 30 or so cable swaps over the years and never once thought about chafing wear. Has anyone else had a random shop regular point out something basic that totally rewired your setup?

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brookekelly•17d ago

Drive train wore out in 6 months, here's what did it

Put a new chain and cassette on my commuter in March, by September it was skipping under load. Thought it was cheap parts. Turns out I was spraying degreaser on the chain then letting it sit overnight before wiping it off. That stripped all the factory lube and left it bone dry for the morning ride. Now I degrease, dry, then immediately relube within the same hour. Has anyone else wrecked parts by leaving degreaser on too long?

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morganj81•18d ago

My $12 spoke wrench beat my fancy truing stand method

I spent 6 months fighting a wobble in my rear wheel using a dial indicator and zip ties, all because I trusted the tool over my hands. Last Tuesday I finally grabbed a cheap Park Tool spoke wrench I had kicking around and just felt each nipple as I turned it, listening for the pings. Turns out my rim was fine, I just had two spokes way overtensioned from when I built the wheel after a crash in Boise. Now I only use the stand to catch gross hops and I do the fine tuning by feel alone. Anyone else find their best fix came from ditching the fancy gear?

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gray_perez52•18d ago

Cartridge bearings vs cup and cone, my old hub finally made me pick

After 3 years of rebuilding my cup and cone rear hub every spring, I swapped it for a set of Shimano cartridge bearings from my local shop in Austin. The old setup felt smooth at first but would develop play after a few hundred miles, no matter how careful I was with the cone wrenches. The cartridge hub took 20 minutes to install and Ive put 800 miles on it without touching anything. Has anyone else had better luck getting cup and cone to stay tight, or is cartridge just the way to go for daily riders?

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rayy83•19d ago

Brake cable tension, I had it backwards for two years until a kid at a trailhead fixed me

I always thought tighter cables meant better braking, so I'd crank the barrel adjuster until the lever felt solid. Then last month at a parking lot by the Blue Ridge Parkway, a teenager on a beat-up mountain bike watched me struggle and said 'your pads are dragging, man, back it off'. I laughed it off but tried his way, loosened the tension so the wheel spun free, and suddenly the brakes grabbed harder with less lever pull. Took me two years and a dozen noisy rides to figure out I was fighting the system, not tuning it. Is that a common beginner trap, or do other folks learn the opposite way, like starting too loose and needing more bite? Which side do you land on: firm lever or free spin, and how did you figure out your own balance?

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paigeharris•20d ago

I picked cartridge bearings over loose ball and I'm not sorry

After 3 hub rebuilds in 2 seasons on my old commuter, I got tired of the gritty feel every time it rained. Everyone in my group ride swore by loose ball cones with good grease, said they last forever if you set them right. I went with sealed cartridge bearings anyway, spent $28 on a pair of hubs from a local shop in Portland. That was 14 months ago, zero adjustment, zero noise, wheels still spin smooth. Maybe I got lucky or maybe my riding style is just hard on cones, but I'd take the swap over another Saturday with cone wrenches any day. Has anyone else made the jump and gone back the other way?

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fiona737•22d ago

Spent $60 on a torque wrench, saved my fork from certain doom

Back in 2015 I used to just crank bolts by feel, you know, 'tight enough' and all that, but after I stripped an old steerer tube on a buddy's bike I finally bought a proper click-type torque wrench. That thing paid for itself the first time I did a carbon stem install, because the manual said 5 Nm and my arm would have happily gone to 8. Anyone else have a tool they resisted buying for years that turned out to be worth every penny?

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margaret_flores48•22d ago

Swapped cable housing for compressionless, worth the hassle?

After 3 months of fighting brake drag on my old mountain bike, I swapped the standard housing for compressionless on the rear brake line. Took about 2 hours and I snapped one ferrule, but the stopping power feels way more direct now. I picked compressionless over going full hydraulic because I didn't want to bleed lines in my kitchen. Honestly, the difference is noticeable on long descents, less spongy at the lever. Anyone else made this swap and found the cost per meter worth it, or did you just bite the bullet and go hydraulic?

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dixon.ryan•24d ago

Swore by my chain tool until a shop guy proved me wrong

I've been popping chains with the same cheap tool for 5 years, always figured a pin was a pin. Last month a mechanic at a shop in Denver watched me break a link and said 'you're hammering the pin out at the wrong angle, that's why it keeps bending.' He took over for 30 seconds and it slid out clean. I bought a proper chain breaker that same week, and honestly the difference is night and day. Anyone else had a tool they defended for ages that turned out to be the problem?

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sage_park6•24d ago

TIL brake cable housing length matters way more than I thought

I was chasing a spongy brake lever for two days on my commuter. Swapped pads, bled the system, even checked the caliper alignment twice. Then I watched a Park Tool video that mentioned housing length, and sure enough, my front brake had about 3 extra inches of slack causing compression. Trimmed it down to match the frame guide and the lever feel got solid instantly. Who else has wasted hours on a fix that turned out to be this dumb simple?

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holly_foster•25d ago

Chain lube debate: wet vs dry, but which one actually lasts in rain?

I ran wet lube all spring and it gummed up my drivetrain after 3 rides in the city. Switched to dry lube, but that vanished after one downpour near the river path. Seen a couple of folks swear by mixing them, others say that's heresy. Anyone else notice a real difference in how long either holds up in actual wet conditions versus just light drizzle? What's your call for daily commuting in a place like Portland?

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rayc89•26d ago

Chain snapped mid-ride, turns out it was my fault after all

Last Tuesday out on the river trail my chain let go at mile 9, right when I was pushing hard up the incline. It broke clean through a pin that I had reconnected two weeks earlier using a quick link, but I never checked the wear on the rest of the chain. Turns out the stretch was way past the 0.75% marker, so the new link just got torqued apart. I replaced the whole chain and cassette for $68 and now I carry a chain checker tool in my saddle bag. Has anyone else had a quick link fail because the old chain was too worn to match it?

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theathomas•29d ago

The guy at the co-op told me to stop greasing my brake cables

Tbh I always thought greasing cables was just standard maintenance, but a mechanic at the bike co-op in Portland told me to stop doing it on brake lines. He said the grease attracts grit and makes the cable drag inside the housing, which I figured was nonsense. Then I swapped to a dry lube on the rear brake cable and the lever pull felt noticeably smoother after about a week of riding. Anyone else run dry lube on brake cables or is this guy just a weirdo?

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williamt44•1mo ago

Took a neighbor's advice on chain lube and now I'm scrubbing gunk off my frame for the third time this month

Guy down the street swore by using WD-40 as chain lube, said he's done it for years. After two weeks my drivetrain was caked in black sludge and my shifting got sticky. Anyone else run into this or was I supposed to wipe it off differently?

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kaib18•1mo ago

Shoutout to the old guy at the bike co-op who showed me how to true a wheel with just zip ties

I was at the Bicycle Collective in Salt Lake City last month, totally stuck on a wobbly rear wheel. This older volunteer named Frank walked over, grabbed two zip ties, and clipped them to the fork as reference points. He tightened the spokes in a specific order and had it spinning true in like 10 minutes. Has anyone else used zip ties as a cheap truing stand trick?

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the_logan•1mo ago

My chain snapped on the bridge trail in Golden Gate Park last Sunday

Never had a chain give out like that before, middle of a climb and it just went. Now I carry a chain breaker tool in my pack and check my links every few rides.

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perry.jessica•1mo ago

Tried to fix a sticky brake lever and spent 3 hours on it

Honestly, I thought it was just a cable issue on my old mountain bike, so I lubed it up and adjusted the tension like three times. Nope, still felt like garbage. Turns out the return spring inside the Shimano lever had snapped clean in half, and I didn't notice because it was hidden behind the rubber boot. Took me a trip to the bike co-op in Portland and a $4 part to finally get it working. Has anyone else chased a simple fix only to find out it's some tiny hidden thing?

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barbaraschmidt•1mo ago

My neighbor was right about Park Tool tire levers being worth the money

I spent years using cheap plastic levers from the hardware store that snapped every time I tried to get a tight tire off a rim. My neighbor Bob told me to just buy the Park Tool TL-5 set at $9 for three. I ignored him for like two years. Last week I had a flat on my commuter bike and broke two levers in a row. Finally ordered the Park ones and they slid that stubborn Continental tire off in under a minute. Has anyone else found a specific tool that made them totally change their approach to a basic repair?

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park.tara•1mo ago

I let my chain go 200 miles past oiling and saw the difference in wear marks

Last weekend I finally got around to cleaning my road bike chain after putting off maintenance for like 6 weeks... the derailleur was grinding weird on hills so I knew something was off. When I wiped the chain down with a rag, the link plates had this grayish dust caked between them that wasn't there before I started slacking. I measured the chain stretch with my Park Tool checker and it jumped from 0.25 percent to almost 0.75 percent over that 200 mile stretch without oil. My cassette now has visible shark fin shapes on the middle gears where the chain was grinding in. Has anyone else seen how fast wear kicks in once you skip oiling for even a month on a dry climate bike?

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noah_walker16•1mo ago

TIL the hard way about cheap brake pads after a nasty spill last Tuesday

I was cruising down that steep hill on Maple Street here in Portland around 6pm when my rear brake basically just gave out. Had replaced the pads two weeks ago with some generic $8 set from the bargain bin at Bike World. Ended up sliding through the intersection and nearly got clipped by a bus. Anyone else had luck with a specific mid-range pad that actually stops in wet conditions?

2 comments