Flipping the bike and giving it an honest once-over
Alright. Tools are sorted, you've got tire levers instead of whatever butter knife was in the garage drawer. Now we actually get the bike up where you can see it.
Flipping a bike is the first move in basically every home repair, and people either skip it and work at weird angles on the ground, or they flip it wrong and scratch up their seat and handlebars on the concrete. Neither is great. Let's do it right.
Flipping it without wrecking anything
Find a flat spot. Garage floor, driveway, whatever, just not gravel where things can roll or get lost.
Stand behind the bike, grab the seat with one hand and the handlebars with the other, and tip it up onto the seat and bars so the wheels are in the air. That's it. Some bikes have accessories hanging off the bars, lights, a bell, a phone mount, that'll make it tippy or lopsided, so pull those off first if you can.
If you've got a rubber mat or an old towel down, put it under the seat and grips before you set the bike down. Saves your seat from getting chewed up on concrete. Low key one of those things nobody tells you until you've already scratched a seat.
Some folks use a bike stand instead, and that's fine, but honestly, for a home tune-up you don't need one. Seat and bars on the ground works. That'll get you most of the way there.
Now look at it. Actually look.
This is the part people rush past to get to "the fix," but a real once-over takes maybe five minutes and saves you from fixing the wrong thing later.
Spin both wheels. Watch for wobble, side to side or up and down. Listen for rubbing, that faint zzzt-zzzt sound where the rim is catching a brake pad. We'll fix that specifically in a later lesson, today's just about finding it.
Squeeze both brake levers. Do they feel mushy, or do they grab? Do the pads look like they're hitting the rim square, or are they cocked off at an angle hitting the tire instead? That misalignment is more common than people think, and here's the thing, it's usually not a broken part. Most people's brakes are fine, they're just filthy or out of alignment. You don't need new pads. You need to clean what's there and nudge it back into place. That's an opinion I'll stand behind all day. People buy new brake stuff constantly when a rag and an adjustment would've done it.
Grab the chain and pull it away from the front chainring. Some slack is normal, but a chain that's black and gritty instead of grey-ish and clean needs attention, and we'll get to that too.
Check every bolt you can reach with your hand, not a tool yet, just a squeeze and a wiggle. Seat post, handlebar stem, the bolts holding the brakes on. You're not tightening anything right now. You're finding out what's loose so you know where to go next.
A word on bolts, because I've paid for this lesson before
When you do start tightening things, go find the right size Allen key or wrench first. Don't grab whatever's closest and muscle it.
I rounded off a bolt once doing exactly that, just forced a slightly-wrong-size Allen key into it because I didn't want to walk back to the toolbox. Ended up having to drill the thing out, which is a whole miserable process you don't want on a random weekday. Cost me way more time than just grabbing the right tool would have.
So: right tool, gentle first. If something's not turning easy, stop and check your size before you lean into it. Nine times out of ten a stripped or rounded bolt started with somebody being impatient for thirty seconds. I know because I was that somebody.
Safety bit, plain and simple
Bike upside down, wheels can still spin and chains can still catch fingers if you're reaching around while someone else spins the pedal. Keep hands clear when the cranks are moving. And if you've got long hair or loose sleeves, tuck them back before you're working down near the chain and gears. Nothing dramatic, just don't give the bike an excuse to grab something.
Before next time
Flip your own bike, do the five-minute look-over, and just make a mental list, or an actual list if you're a list person, of what you noticed. Wobbly wheel, rubbing brake, gritty chain, loose bolt, whatever it is. We'll start fixing that list piece by piece starting next lesson.