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Search: Posts Made By: cyccommute
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Forum: Touring
08-19-22, 06:30 AM
Replies: 39
Views: 552
Posted By cyccommute

No, my understanding of physics isn’t “wrong”. I...

No, my understanding of physics isn’t “wrong”. I know that I’m braking at corners to maintain control. I’m not braking in the straights to avoid heat build up…at least not braking constantly in the...
Forum: Touring
08-18-22, 08:44 AM
Replies: 39
Views: 552
Posted By cyccommute

A “heatsink” is just what it sounds like…a place...

A “heatsink” is just what it sounds like…a place to sink heat into. It can be a heat exchanger but not necessarily. Metal can “sink” (or absorb) a whole lot of heat because of the metal’s high melt...
08-17-22, 06:34 PM
Replies: 7
Views: 172
Posted By cyccommute

The HCW-11 should work on that cup. A HCW-18 ...

The HCW-11 should work on that cup. A HCW-18 (https://www.parktool.com/en-us/product/bottom-bracket-wrench-hcw-18)might work as well. That’s where I would start if the bike came into my co-op. You...
08-17-22, 01:04 PM
Replies: 24
Views: 445
Posted By cyccommute

Both of you are referring to the old spring clamp...

Both of you are referring to the old spring clamp design which was on the stands in the early to late 90s. The shop quality clamp on the PCS-4-1...
Forum: Touring
08-17-22, 09:09 AM
Replies: 39
Views: 552
Posted By cyccommute

It does make a large difference. As pointed out...

It does make a large difference. As pointed out above, when the brakes are off, no heat is being put into the system. Think of it this way: Pulsing the brakes hard, heats the surface of the rim. ...
08-17-22, 08:33 AM
Replies: 24
Views: 445
Posted By cyccommute

Clamping the top tube with the clamp pressure set...

Clamping the top tube with the clamp pressure set too high is a no-no. The beauty of the Park clamp is that it is very adjustable. I clamp the top tube of my tandem (carefully!) because clamping a...
08-17-22, 08:29 AM
Replies: 24
Views: 445
Posted By cyccommute

Having used the Feedback stands, I have to say...

Having used the Feedback stands, I have to say that the Park clamp is vastly superior. It’s very difficult to hold the bike in the clamp of the Feedback and then screw in the clamp. Older Feedbacks...
08-16-22, 10:32 PM
Replies: 7
Views: 172
Posted By cyccommute

You need 6 tools: 1. Something to pull the...

You need 6 tools:

1. Something to pull the dust cover off.
2. A 14 mm socket or Park CCW-5 (https://www.parktool.com/en-us/product/crank-wrench-ccw-5) crank bolt wrench
3. A Park CCP-22...
Forum: Touring
08-16-22, 01:41 PM
Replies: 39
Views: 552
Posted By cyccommute

I’ve never heard of a chemical engineer being...

I’ve never heard of a chemical engineer being called a ChemE nor of a group of them being called ChemEs. I’ve heard of them being called a chem. e. (with or without the punctuation). You were unclear...
08-16-22, 12:58 PM
Replies: 47
Views: 1,282
Posted By cyccommute

You are making an improper comparison. “Beefy”...

You are making an improper comparison. “Beefy” spokes, especially with large riders and/or heavy loads, isn’t about feeling any kind of difference while riding. It’s about durability of the spokes...
Forum: Touring
08-16-22, 08:45 AM
Replies: 39
Views: 552
Posted By cyccommute

Not sure what or who ChemES is but I find your...

Not sure what or who ChemES is but I find your description hard to believe. Even if the rim were at the boiling point, you would have to get water into the rim which would be difficult considering...
08-16-22, 08:05 AM
Replies: 21
Views: 373
Posted By cyccommute

Phil’s or Park Tools. But this is the 21st...

Phil’s or Park Tools. But this is the 21st century and we have these things called cartridge bearing bottom brackets which makes the need for greasing them moot. All the grease I use now is for...
08-16-22, 12:21 AM
Replies: 4
Views: 95
Posted By cyccommute

Yup...

Yup (https://www.mtbr.com/media/1988-specialized-rockhopper.1414311/). 1988.
Forum: Touring
08-15-22, 05:48 PM
Replies: 39
Views: 552
Posted By cyccommute

Just because you see steam doesn’t mean that the...

Just because you see steam doesn’t mean that the rim is at the boiling point of water. Water vapor can condense at various temperatures depending on the dew point at the time the water vapor...
08-15-22, 05:21 PM
Replies: 9
Views: 137
Posted By cyccommute

Are you sure that the seatpost is the correct...

Are you sure that the seatpost is the correct diameter? You really shouldn’t have to over tighten the clamp to keep the post from sliding.
Forum: Touring
08-14-22, 06:22 PM
Replies: 39
Views: 552
Posted By cyccommute

I can’t say for certain but if the tube were...

I can’t say for certain but if the tube were heated outside of a tire, it likely would deform permanently. Inside a tire, the tube is constrained and likely wouldn’t blow out. The tire would have...
Forum: Touring
08-14-22, 11:22 AM
Replies: 39
Views: 552
Posted By cyccommute

Thermoplastic polyurethane (TPU) tubes shouldn’t...

Thermoplastic polyurethane (TPU) tubes shouldn’t have issues with increases in pressure due to heat as the pressure increase is much smaller than people think…on the order of 1 psi increase for each...
08-13-22, 05:02 PM
Replies: 38
Views: 1,119
Posted By cyccommute

Let’s address your “cons”. There is nothing...

Let’s address your “cons”. There is nothing wrong with a 26” wheel bike. It’s more nimble in turns than most 29ers. The gearing is lower. You don’t have to push heavy wheels and tires up hills on...
08-13-22, 08:46 AM
Replies: 19
Views: 375
Posted By cyccommute

What kind of “cable cutter” did you use?

What kind of “cable cutter” did you use?
08-13-22, 08:42 AM
Replies: 1
Views: 88
Posted By cyccommute

You might try brake cleaner instead of alcohol....

You might try brake cleaner instead of alcohol. Or use acetone rather than alcohol. Brake cleaner is generally an acetone/toluene mixture now. It’s a bit more effective than alcohol on the oils that...
08-12-22, 04:21 PM
Replies: 24
Views: 445
Posted By cyccommute

A bit higher than your budget...

A bit higher than your budget (https://www.parktool.com/en-us/product/deluxe-home-mechanic-repair-stand-pcs-4-2?category=Portable) but not by much. The clamp is the best clamp you can find and is...
08-12-22, 04:12 PM
Replies: 19
Views: 375
Posted By cyccommute

There are worse ones out there. Shimano has some...

There are worse ones out there. Shimano has some bottom pull that can be converted to top pull that seem to wrap around the derailer about 4 times.
08-12-22, 08:58 AM
Replies: 26
Views: 356
Posted By cyccommute

The first place to start is with the headset. ...

The first place to start is with the headset. Check to see that it is properly adjusted. Lock the wheel with the front brake and rock the bike back and forth. If you feel movement in the headset,...
08-11-22, 08:31 AM
Replies: 41
Views: 1,159
Posted By cyccommute

Check your area for a co-op. They usually have...

Check your area for a co-op. They usually have wheels that will work for cheap.
08-11-22, 08:24 AM
Replies: 22
Views: 577
Posted By cyccommute

:foo: Spyre DISP1010...

:foo: Spyre DISP1010 (https://trpcycling.com/product/spyre-2/) Post mount. They have been around for a whole lot longer than flat mount.
08-10-22, 08:25 PM
Replies: 9
Views: 267
Posted By cyccommute

I don’t recognize your authority to overrule...

I don’t recognize your authority to overrule anything.
08-10-22, 04:25 PM
Replies: 9
Views: 267
Posted By cyccommute

I object to the term “cheap”. Back in the day,...

I object to the term “cheap”. Back in the day, these were used on very expensive levers as well.
08-10-22, 04:24 PM
Replies: 9
Views: 267
Posted By cyccommute

It’s meant to go into the top of a non-aero road...

It’s meant to go into the top of a non-aero road lever. The kind where the cable goes out of the top of the lever and has a long loop of cable housing to both the front and rear brake. The red...
08-09-22, 01:49 PM
Replies: 51
Views: 1,256
Posted By cyccommute

If your caliper is slipping around as you tighten...

If your caliper is slipping around as you tighten the bolts…assuming the bolts that clamp the caliper to the frame…you are installing/adjusting them wrong. The caliper should be clamped down on the...
08-09-22, 01:36 PM
Replies: 51
Views: 1,256
Posted By cyccommute

I didn’t upgrade to Klampers because I needed to....

I didn’t upgrade to Klampers because I needed to. I did it because I wanted to. In reality, the performance difference between the Klampers and a set of Avid BB7 really isn’t worth the price...
08-09-22, 10:11 AM
Replies: 74
Views: 1,695
Posted By cyccommute

Devil’s Punch Bowl on the Crystal River. Iconic...

Devil’s Punch Bowl on the Crystal River. Iconic 4x4 road below Schofield Pass, Colorado
...
08-09-22, 10:05 AM
Replies: 8,207
Views: 2,636,758
Posted By cyccommute

Damn! I wanted one back in the day. The idea of...

Damn! I wanted one back in the day. The idea of using the 24” wheel to get a lower gear was brilliant! Great bit of history there.
08-09-22, 10:00 AM
Replies: 17
Views: 374
Posted By cyccommute

26 tooth inner ring? Shouldn’t be a problem. The...

26 tooth inner ring? Shouldn’t be a problem. The bikes in the pictures have a 22 tooth inner on the black bike and both cranks on the white bike have 20 (!!!!) tooth inners. Zero issues with...
08-09-22, 09:47 AM
Replies: 51
Views: 1,256
Posted By cyccommute

While I don’t have a problem with rim brakes,...

While I don’t have a problem with rim brakes, your statement about single piston mechanicals is just wrong. The pads don’t “bend” the rotor if the brake is set up properly. The fixed pad is set so...
08-09-22, 12:16 AM
Replies: 17
Views: 374
Posted By cyccommute

I have checked how far out the front derailer...

I have checked how far out the front derailer swings…several times. 2.5mm may not seem like much but road derailers just don’t have a long enough swing to reach that far. Swapping the spacers over...
08-09-22, 12:12 AM
Replies: 51
Views: 1,256
Posted By cyccommute

Single piston mechanicals have never been...

Single piston mechanicals have never been something that need constant maintenance nor constant adjustment. Nor have I found them to be worthless. I’m not saying that they are vastly better than rim...
08-08-22, 11:33 PM
Replies: 17
Views: 374
Posted By cyccommute

I have two Shimano 2 piece (aka external bearing)...

I have two Shimano 2 piece (aka external bearing) cranks on the bikes in the picture above. It’s unorthodox but I have moved all of the spacers on the drive side to the nondrive side to give the...
08-08-22, 11:26 PM
Replies: 9
Views: 424
Posted By cyccommute

No, you don’t have to. It may be easier to shift...

No, you don’t have to. It may be easier to shift into the highest gear but sometimes you forget. Just put the wheel into place on a convenient gear close to where it was when you took the wheel...
08-08-22, 11:20 PM
Replies: 51
Views: 1,256
Posted By cyccommute

You also won’t find a car disc rotor that weighs...

You also won’t find a car disc rotor that weighs 120g (0.25 lb). I don’t think you want to carry around a 9500g (21 lb) rotor and all the associated engineering need for that caliper to float. Cars...
08-08-22, 11:11 PM
Replies: 51
Views: 1,256
Posted By cyccommute

I’ve actually stripped out two of them. I...

I’ve actually stripped out two of them. I dislike the design so much that I went back to the BB7 (can’t justify another set of Klamper…yet!)
08-08-22, 04:19 PM
Replies: 10
Views: 302
Posted By cyccommute

No, your rings don’t look worn. They still have...

No, your rings don’t look worn. They still have the original machining present. Modern chainring teeth can have a lot of different shapes depending on where the teeth are on the ring in relation to...
08-08-22, 04:13 PM
Replies: 17
Views: 374
Posted By cyccommute

Chainline is adjustable to a certain extent. As...

Chainline is adjustable to a certain extent. As long as the rings don’t hit the frame, you can use a narrower spindle or move spacers around. Bikes can be made to do lots of things the manufacturers...
08-08-22, 04:09 PM
Replies: 17
Views: 374
Posted By cyccommute

Why not? It’s not your choice for what kind of...

Why not? It’s not your choice for what kind of gearing Eugene23 uses. It’s his. If you don’t want to use a wide gear range, don’t! But don’t try to tell others what kind of gearing they should...
08-08-22, 03:58 PM
Replies: 51
Views: 1,256
Posted By cyccommute

It’s not that stupid a design. It works well for...

It’s not that stupid a design. It works well for most mechanicals as long as they are set up properly. Issues with braking have more to do with the set up than with the caliper design. That said,...
08-08-22, 01:02 PM
Replies: 17
Views: 374
Posted By cyccommute

Yup. The bikes below have mountain cranks. The...

Yup. The bikes below have mountain cranks. The white bike has had a couple of different mountain cranks on it. The first picture is of the bike using an XT 44/32/20 external bottom bracket crankset....
08-08-22, 06:58 AM
Replies: 2
Views: 147
Posted By cyccommute

The Tubus clamps are far better than normal vinyl...

The Tubus clamps are far better than normal vinyl coated P-clamps. They mount very solidly and aren’t likely to move like P-clamps do. They come with a friction tape for the install so use that...
08-07-22, 08:21 PM
Replies: 8
Views: 228
Posted By cyccommute

Use a saddle washer...

Use a saddle washer (https://www.jetpress.com/component-and-fastener-products/saddle-washers) instead of flat washers. It makes for a flatter, better mount.
08-07-22, 08:15 PM
Replies: 74
Views: 1,695
Posted By cyccommute

https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/837b2b0a_0c66_4efa_9e7b_99f5c2a6a53d_6594e6603daa948c2c2eac5cd65b2a33807bd1fb.jpeg

Not exactly vintage (a 2010 Cannondale T1, the...
08-07-22, 05:57 AM
Replies: 74
Views: 1,695
Posted By cyccommute

Ya just need to stand back a bit ...

Ya just need to stand back a bit

https://cimg7.ibsrv.net/gimg/bikeforums.net-vbulletin/400x600/a0a9f840_ec36_4241_9f81_e82d33f8071e_a37de7f508b102aa6252986d75e805593bcfc26d.jpeg
08-06-22, 09:46 AM
Replies: 67
Views: 1,685
Posted By cyccommute

It’s not that the lubricant is incompatible with...

It’s not that the lubricant is incompatible with the factory lubricant. Nothing used as a chain lubricant really is incompatible with that lubricant. But leaving the factory lubricant in place may...
Showing results 1 to 50 of 1000
 


 
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