Tag: bikes

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Cold Weather Cycling Headgear

It was 37° F last week one morning as I headed out for my 7am bike ride. That’s a bit cold! I have a friend who said he won’t ride when it drops below 40° F but I actually prefer the colder weather. In fact, I barely rode in June and July because it was just too hot for me. (To be fair, my “too hot” is anything above 70° F.)

So back in February I would ride with a long sleeve hooded shirt and just sort of put the hood up and then put my helmet on. It mostly worked to keep my ears warm while the cold wind rushed by me, but it wasn’t ideal. I know there are all sorts of little hats/beanies/whatever that can go under your helmet, but in our winter drawer at home I found this Bula balaclava and it’s perfect.

I honestly do not know where it came from. I think someone bought a two-pack and then gave me one of them. (Maybe my sister?) Whoever it was, thanks! It’s a tight fit (so no bunching up under the helmet) and it covers the ears well. I can also pull it up over my chin or even the lower half of my face if needed.

Yeah, I know… it looks super cool! (Kidding) But if it works, it works. I try not to just run out and buy cycling gear, and I try to just make things work and I’m okay with that.

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I changed a bike tire!

Hey, I changed a flat tire! I got a flat about six weeks ago and I ended up taking the bike into the shop and they got it all fixed up the same day and I grabbed an extra tube in case it happened again… well, it happened again. I figured I should (re)learn how to change a bike tire, so that’s what I did.

It’s been, oh, probably 30 years since I changed a bike tire, and that was on my Dumpster Bike, so I did a quick search, ignored the AI results, and found this Removing Rear Wheels Is Easy! post from a bike shop in London. Cheers!

My main concern was that I know how to change a tire (as in, remove the tires, replace inner tube, put tire back on) but the “removing rear wheel from bike” part was where I was a little rusty.

Anyway I got the wheel off, got the tire off, put some air in the old tube, confirmed a leak, then inspected the tire to see if there was any visible damage, any bits of metal, etc. The last time I got a flat I could definitely see a large metal staple. This time, upon close inspection… I found nothing. Some tiny rocks embedded in the tire, but nothing that poked through. Also, the hole in the tube was pretty tiny, so maybe it was just a failed tube?

(Note: The photo of the stangely distorted tube may be the result of messing with trying to fill it on the previous day and having it pop out between the rim and tire. Don’t ask.)

I got it all back together, filled the tube, and did a test ride in the alley. Oh, notice anything? In my haste to test it I forgot to reconnect my rear brake! Argh! Anyway, I got that back in place and all was well. It took about 20 minutes total including the test ride and fixing the rear brakes. Not bad for my first attempt.

The one pain in the ass was doing it all without a bike stand. So I thought to myself “Hey, could I build one from PCV pipe?” mainly because I have a shit-ton of PVC pipe connectors from a past project. Well, it looks like people have made PVC bike stands, so I’ve added making one to my list of things to do.

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Bike Lock Mount Spacer

I have a bike lock that mounts to the seat stay by clamping around the tube and it’s never quite fit right. I can tighten it all I want but the plastic on metal doesn’t really prevent it from rotating slightly. It’s not a huge deal but it’s enough to bother me.

In the past I had a GPS handlebar mount and it came with a little piece of rubber to help shim it tight and grip the bar which prevented it from rotating. I didn’t have any random pieces of rubber around, but I do have flexible filament! TPU (or Thermoplastic PolyUrethane) is 3D printing filament that is sort of soft and flexible, so I loaded it up in the Prusa MINI+ and designed a piece in OpenSCAD.

When I say “designed” there is barely a design, as it’s just a hollowed cylinder with a slit down the side. While 3D printed parts can be complex, they can also be really simple. (I once printed a shim!)

Again, for me it’s all about solving problems. I could have hunted around for a piece of rubber, or ordered some, but I had the filament on-hand, I can design things quickly, and they can print while I do more important work.

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Bike Seat Light Adapter

Back in February I got a set of bike lights and the rear light mounted on the seat post perfectly, but I recently added a bike rack and bag which blocked the light from view. At first I attached the rear light (which is also a reflector) to the back of the bag, but it wasn’t ideal.

So looking at the options I thought mounting it to the back of the seat (on the saddle rails) made sense, but I needed an adapter, so I designed and printed one. I’ve said it before, but I’ll say it again: This is why I like 3D printing. I’m not interested in printing little toys or trinkets, I am interested in solving problems.

I fired up OpenSCAD and designed a cylinder, split it in half, added holes/grooves to fit around the bars on the seat, and then added a hole for a bolt to go through to clamp it together.

One side of the bolt hole allows the head of the bolt to be recessed so it doesn’t stick out, and the other side allows for the hex nut to be held captive so you can tighten the screw with the nut held in place.

I remember back in 2012 when I asked Michael Curry if he got designs right the first time and the first print worked perfectly, and he said that most designs took about three attempts… I’m happy to say this one took just two! (Well, I could probably slightly improve things with a third attempt, but the second was close enough so I called it done.)

I did have to slightly cut down the bolt with a hacksaw to get it to not stick out too far. Again, a third print could have addressed that issue, but sometimes a hacksaw is the right solution to a problem.

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Hardware Store Bike Ride

Up until now my bike riding has been for exercise and fun(?) but on a Friday Dana asked if we had any caulk. My answer was “I’m sure we do, and I’m also sure it’s dried up since we haven’t caulked anything in a lustrum!” So she said if we got a chance we should get some thing weekend.

And I said “Wait… I can just bike to the hardware store in the morning!” So I did. I actually rode my bike to the store instead of driving a car. I was just getting caulk and some work gloves, so nothing too large or heavy or unwieldy. Stuff that could easily fit in a backpack.

The ride there was not uneventful. Besides some fairly steep hills, I had to detour a bit due to Run Tosa Run taking over some of the areas around North Avenue.

The other issue was that when I got to the hardware store there was no bike rack! Or no obvious place to lock up the bike. I ended up going across the street and locking it to a street sign. This is probably not the preferred method, but I could not really find another suitable place. (I did see a fence on my way out though.)

I asked an employee if they had a bike rack and she said “Most people just lean their bikes against the mulch.” So yeah… not going to do that. Sure, it’s Tosa, but still, not gonna leave my bike just leaning somewhere while I’m in the store.

Is this how people get radicalized? You bike somewhere and realize there’s no bike rack? There’s a parking lot for cars, but no bike rack!?!?

Anyway, it felt good to actually ride somewhere instead of drive. I may try doing it more.

Update! See the exciting conclusion: Hardware Store Bike Rack!