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Search: Posts Made By: sweeks
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08-12-22, 06:35 PM
Replies: 7
Views: 144
Posted By sweeks

I recently bought an 8-speed MicroShift...

I recently bought an 8-speed MicroShift trigger-shifter to replace a Shimano unit controlling a Nexus 8-speed hub. It works very well, but the red indicator needle jumps all over the place as if it's...
08-11-22, 05:06 AM
Replies: 5
Views: 233
Posted By sweeks

I actually did this several years ago. A friend...

I actually did this several years ago. A friend at the Structural Biology Lab at UIC made magnetic resonance scans on samples of the Shimano oil and the Royal Purple. The scans were similar, but had...
08-10-22, 07:27 PM
Replies: 16
Views: 649
Posted By sweeks

Most of the time folks don't want to destroy the...

Most of the time folks don't want to destroy the cranks, even if the pedal is stuck. Just saying. :innocent:
08-10-22, 07:06 PM
Replies: 15
Views: 317
Posted By sweeks

I have a couple thoughts. First, a crack like...

I have a couple thoughts. First, a crack like that would most likely form or, at least, propagate as a result of tensile stresses. But this particular location should be mostly under compressive...
Forum: Commuting
08-08-22, 08:11 PM
Replies: 166
Views: 38,807
Posted By sweeks

My current folder (Tern Verge S11i) came with one...

My current folder (Tern Verge S11i) came with one of those. It's like a cable organizer. I found it noisy and it complicated chain maintenance. I suspect that it would retain any water that got in...
08-08-22, 07:09 PM
Replies: 5
Views: 233
Posted By sweeks

The 11-speed oils is synthetic. I've run my...

The 11-speed oils is synthetic. I've run my Alfine-11 with Royal Purple 75w-140 gear oil (THIS (https://royalpurpledirect.com/max-gear-75w-140-high-synthetic-gear-oil/)) for 10,600 miles. I use the...
Forum: Commuting
08-08-22, 05:12 AM
Replies: 166
Views: 38,807
Posted By sweeks

Happily, the package was delivered 24 hours...

Happily, the package was delivered 24 hours later, thanks to UPS's apparently poorly-synchronized tracking and notification system. Folding bike is back on-line, but it's nice to know I have a safety...
Forum: Commuting
08-07-22, 08:11 AM
Replies: 166
Views: 38,807
Posted By sweeks

I've been commuting daily on folding bikes for...

I've been commuting daily on folding bikes for over 20 years. Last week, I wore out a stem part after about 7,200 folding cycles. While waiting for a replacement part, I pressed into service my old...
Forum: Road Cycling
08-06-22, 10:30 AM
Replies: 101
Views: 45,941
Posted By sweeks

For the sake of argument, that assumes a complete...

For the sake of argument, that assumes a complete exchange of air each time the container is opened... which may not occur, especially if the repairperson is expedient. But of course, there will be...
Forum: Road Cycling
08-06-22, 07:28 AM
Replies: 101
Views: 45,941
Posted By sweeks

If you have a can of the fluid, storing it...

If you have a can of the fluid, storing it upside-down is said to achieve the same result.
Forum: Road Cycling
08-06-22, 07:24 AM
Replies: 101
Views: 45,941
Posted By sweeks

How about running some through the old HPLC?...

How about running some through the old HPLC? :innocent:
08-06-22, 05:55 AM
Replies: 20
Views: 435
Posted By sweeks

Going from the sublime (Andy's work) to the...

Going from the sublime (Andy's work) to the ridiculous, here's my set-up for measuring the cable travel on my Ultegra front triple shifter to see if I could substitute an XTR shifter.
Answer: No.
...
08-04-22, 05:04 AM
Replies: 19
Views: 398
Posted By sweeks

I'd suggest a suspension seatpost (eg,...

I'd suggest a suspension seatpost (eg, "ThudBuster"), except it looks like there's no room for one as noted by alcjphil! (Look into proper leg extension.)
07-31-22, 08:25 PM
Replies: 12
Views: 1,356
Posted By sweeks

Well... the Nexus 8-speed hub I switched to was...

Well... the Nexus 8-speed hub I switched to was making its own unhappy noise. Less loud and less gritty than the alfine, but clearly not healthy, or so I thought. The nexus hub had about 9,000 miles...
07-30-22, 08:44 PM
Replies: 29
Views: 740
Posted By sweeks

Devil's Advocate here. Drill a "stop hole" at...

Devil's Advocate here.
Drill a "stop hole" at each end of the crack. See THIS...
07-24-22, 07:50 PM
Replies: 31
Views: 544
Posted By sweeks

I've been using this book for years. It's...

I've been using this book for years. It's inexpensive and easy to read; it's nicely detailed.
07-24-22, 08:34 AM
Replies: 20
Views: 515
Posted By sweeks

I would take that to my friendly dentist and ask...

I would take that to my friendly dentist and ask them to make a radiograph of it. This is what *I* would do because I'm a dentist!
But realistically, even using non-destructive technology to...
07-21-22, 07:39 PM
Replies: 36
Views: 1,164
Posted By sweeks

There are lots of good videos on YouTube and...

There are lots of good videos on YouTube and other places on the web. Start slowly and thoughtfully and you may find that truing is the "gateway drug" to wheelbuilding. :D

I started wheelbuilding...
07-20-22, 10:52 AM
Replies: 5
Views: 180
Posted By sweeks

I can't vouch for Alfine, but I have two Nexus...

I can't vouch for Alfine, but I have two Nexus 8-speed hubs on wheels that I switch for converting between regular tires and studded tires. One of these is a "regular" hub and the other is a...
07-20-22, 07:45 AM
Replies: 10
Views: 271
Posted By sweeks

When I service my Nexus-8, I dip the internal...

When I service my Nexus-8, I dip the internal assembly in gear oil (I use "Royal Purple 75w-140), and use the Shimano grease on the ball bearings. To properly grease the planetary gears you should...
07-20-22, 05:00 AM
Replies: 35
Views: 1,543
Posted By sweeks

This can be done with regular hubs too by...

This can be done with regular hubs too by clamping the wheel to the *outside* of the frame with the lever end inside the dropout. This leaves one of the bearing locknut/cone assemblies available for...
07-19-22, 07:12 PM
Replies: 35
Views: 1,543
Posted By sweeks

It's not as complicated as that. 1) When the...

It's not as complicated as that.
1) When the locknut is tightened against the cone, there is no further relative movement between them.
2) Tightening the quick release compresses the axle and...
07-19-22, 11:08 AM
Replies: 10
Views: 271
Posted By sweeks

You don't actually have to *stop* pedalling......

You don't actually have to *stop* pedalling... just lighten up for the split-second it takes to shift.
It's amazing how long these hubs last... I've got a Nexus-8 with about 9,000 miles on it and an...
07-18-22, 08:34 PM
Replies: 12
Views: 1,356
Posted By sweeks

I'll take pictures and post them. If you have any...

I'll take pictures and post them. If you have any particular views you'd like to see, just let me know!
07-18-22, 05:17 AM
Replies: 41
Views: 847
Posted By sweeks

Anything over walking speed. :D FWIW, my...

Anything over walking speed. :D
FWIW, my average commuting speed is 10-12 MPH. The front brake is very handy at those speeds when a car pulls out of a driveway or I notice a pothole, or a light...
07-17-22, 05:48 PM
Replies: 41
Views: 847
Posted By sweeks

I've been waiting for someone to go in this...

I've been waiting for someone to go in this direction, and this comes close. Since in a hard stop the rider's weight is transferred forward increasing the risk of going over the bars, the rider can...
07-17-22, 04:57 PM
Replies: 10
Views: 271
Posted By sweeks

This does not sound hopeful, especially if the...

This does not sound hopeful, especially if the "loose small particles" are metal. In this case, immersion in oil is unlikely to be helpful.
You might get some ideas of possible remedies HERE...
07-17-22, 10:21 AM
Replies: 10
Views: 239
Posted By sweeks

Sounds more like you're planning to *service* the...

Sounds more like you're planning to *service* the hub... something that should be done at appropriate intervals.
Some may disagree with me, but if there's not much wear on the races I'd probably...
07-17-22, 06:46 AM
Replies: 34
Views: 2,635
Posted By sweeks

fify!

fify!
07-16-22, 07:57 PM
Replies: 1
Views: 95
Posted By sweeks

I recently bought one of THESE...

I recently bought one of THESE...
07-16-22, 05:11 PM
Replies: 12
Views: 1,356
Posted By sweeks

Preliminary report is in. I installed a wheel...

Preliminary report is in. I installed a wheel with a Nexus 8-speed ("Red Band") hub and the noise is absent. The hub is in its lowest gear, as I didn't want to commit to the re-fitting an 8-speed...
07-14-22, 07:50 PM
Replies: 6
Views: 266
Posted By sweeks

I did this with the trigger shifters on my 20+...

I did this with the trigger shifters on my 20+ year-old mountain bike with low/middle-level Shimano components. I flushed them with "normal" WD-40, then lubricated them with another WD-40 product I...
07-14-22, 01:06 PM
Replies: 12
Views: 1,356
Posted By sweeks

Thanks for the reply, Dan. I am going to put...

Thanks for the reply, Dan.
I am going to put the bike up on the stand this weekend and give it another very close look. If I don't see anything obvious, I plan to take the wheel off and take the...
07-12-22, 08:21 PM
Replies: 12
Views: 1,356
Posted By sweeks

I'm hoping to get a response from Dan Burkhart...

I'm hoping to get a response from Dan Burkhart and others with experience with the Shimano Alfine-11 hub. Mine has started making a disturbing (and embarrassing) noise.
The hub has 10,500 miles on...
07-12-22, 07:37 PM
Replies: 7
Views: 380
Posted By sweeks

I correct myself. I took my Alfine 11 off to...

I correct myself. I took my Alfine 11 off to repair a flat, and took a good look at the non-turn washers. There is no way one of those could be forcibly rotated through a dropout unless maybe the...
07-10-22, 09:49 AM
Replies: 7
Views: 380
Posted By sweeks

Thanks, Dan! I defer to your (much!) greater...

Thanks, Dan! I defer to your (much!) greater expertise.
I also have a couple bikes with Nexus and Alfine hubs,and I'm a pretty strong believer in operating these hubs as they are designed.
Maybe...
07-09-22, 08:24 PM
Replies: 14
Views: 329
Posted By sweeks

:d EDIT: That's supposed to be a grin. :D

:d
EDIT: That's supposed to be a grin. :D
07-09-22, 08:22 PM
Replies: 14
Views: 329
Posted By sweeks

Here's another one: my post-docs use teflon tape...

Here's another one: my post-docs use teflon tape under the temporary fillings in the teeth they do root canal treatments on! :twitchy:
07-09-22, 08:19 PM
Replies: 14
Views: 329
Posted By sweeks

Andy, what universe is this in? :innocent: Steve

Andy, what universe is this in? :innocent:
Steve
07-09-22, 07:16 PM
Replies: 7
Views: 380
Posted By sweeks

I vote "No". There must be considerable torque...

I vote "No".
There must be considerable torque on the dropouts, and as they're aluminum I'd be concerned that a strong rider might be able to strip a single dropout.
But I'm no expert.
07-06-22, 08:40 PM
Replies: 36
Views: 1,119
Posted By sweeks

Rim brakes operate by friction, so there will...

Rim brakes operate by friction, so there will always be wear. Ideally, with the optimal materials, the great majority of the wear will be on the brake pads, not the rims. Nevertheless, rims...
07-04-22, 01:42 PM
Replies: 36
Views: 1,076
Posted By sweeks

I've used a 15mm Park cone wrench as a pedal...

I've used a 15mm Park cone wrench as a pedal wrench for the couplers on my MKS detachable pedals many times. There is no distortion.
07-04-22, 01:34 PM
Replies: 70
Views: 1,473
Posted By sweeks

That's the stuff I used; the blue is a nice match...

That's the stuff I used; the blue is a nice match for the Easton tape.
07-04-22, 11:03 AM
Replies: 70
Views: 1,473
Posted By sweeks

We should start a club! :lol: I wonder if...

We should start a club! :lol:
I wonder if there's a "standard" side of the tape for the graphics to be on. Yours are on the right side, while mine are on the left. I started wrapping at the grip,...
07-04-22, 10:29 AM
Replies: 27
Views: 647
Posted By sweeks

I've been riding with titanium skewers for 20+...

I've been riding with titanium skewers for 20+ years. I realize that that doesn't mean they couldn't break next time I ride, but titanium has very nearly the same tensile strength as stainless steel:...
07-03-22, 10:09 PM
Replies: 70
Views: 1,473
Posted By sweeks

Luckily, I don't actually look at my bars to tell...

Luckily, I don't actually look at my bars to tell right from left!
I'd say I'm more OCD than A-R. :D
I don't think I'll take the tape off, since there's adhesive involved. Next time I'll know...
07-03-22, 09:22 PM
Replies: 70
Views: 1,473
Posted By sweeks

Seems unlikely. The original tape on my bike was...

Seems unlikely. The original tape on my bike was 20 years old and still looking good. I only changed the tape because I went from drop bars to trekking bars. :D
07-03-22, 09:17 PM
Replies: 70
Views: 1,473
Posted By sweeks

At least I'll be able to tell which side is...

At least I'll be able to tell which side is which! :D
07-03-22, 08:54 PM
Replies: 70
Views: 1,473
Posted By sweeks

I doubt anyone will notice. Give yourself a...

I doubt anyone will notice. Give yourself a break, and ride the bike until you feel like having a re-do.
I recently did my second wrap job on a set of "trekking" bars, and while I think I did an...
07-03-22, 03:13 PM
Replies: 116
Views: 11,092
Posted By sweeks

I've just read this thread with interest, and I'm...

I've just read this thread with interest, and I'm glad to see that all you guys are doing well. I have a sort of PSA ("Public Service Announcement", not the other thing :innocent:).
A couple years...
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