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Search: Posts Made By: keraba2
Showing results 1 to 29 of 29
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Forum: Bicycle Mechanics
03-10-24, 04:19 PM
Replies: 36
Views: 887
Posted By keraba2

Oh yay. Let's play, "Let's speculate about a BB...

Oh yay. Let's play, "Let's speculate about a BB we've never seen and ignore the written instructions." hmm...

I'm quite certain that I've gotten everything I'm going to from this thread. I'm out.
Forum: Bicycle Mechanics
03-10-24, 12:00 PM
Replies: 36
Views: 887
Posted By keraba2

Kontact, Please don't assume that I "didn't...

Kontact,

Please don't assume that I "didn't think it mattered". I aligned them when I installed it, and they were still aligned when the issue manifested. I'm simply pointing out that, while there...
Forum: Bicycle Mechanics
03-10-24, 11:41 AM
Replies: 36
Views: 887
Posted By keraba2

Kontact, You certainly don't want the two...

Kontact,

You certainly don't want the two halves being completely (180 degrees) different. You couldn't slide the spindle through in this state. But if the two halves are a couple degrees...
Forum: Bicycle Mechanics
03-10-24, 08:01 AM
Replies: 36
Views: 887
Posted By keraba2

FBin NY, Indeed, to do this at one spot...

FBin NY,


Indeed, to do this at one spot in the rotation would require wearing in the _race_, not the balls. I can't even imagine. But neither side of the BB moved when I jiggled the cranks.

...
Forum: Bicycle Mechanics
03-09-24, 12:49 PM
Replies: 36
Views: 887
Posted By keraba2

Hi oldbobcat, Thanks for the reply. Once...

Hi oldbobcat,

Thanks for the reply. Once again, yes, "the other one wiggles." The bottom bracket does Not wiggle. The cranks wiggle only when vertical.

Is it toast?
Forum: Bicycle Mechanics
03-09-24, 12:24 PM
Replies: 36
Views: 887
Posted By keraba2

Loose crank axle

I have a GRX FC-RX600 going through a First Components P237SA eccentric bottom bracket. After maybe a year of use, the crank axel is a little loose. I noticed when I was pedaling that, at a certain...
Forum: General Cycling Discussion
10-31-23, 09:53 PM
Replies: 75
Views: 3,167
Posted By keraba2

Another vote for the Take-a-look mirror. I put...

Another vote for the Take-a-look mirror. I put mine on my sunglasses. They may look flimsy but that metal is tough, it is trivial to put the mirror where you want it and it *stays* there.
Forum: General Cycling Discussion
08-27-23, 12:09 PM
Replies: 76
Views: 4,105
Posted By keraba2

rim brakes?

I guess another manufacturer has fallen to inexorable tide that is disc brakes. I guess I should have picked up that CF SL 8 when I had the chance.
...
Forum: Bicycle Mechanics
10-01-22, 07:00 PM
Replies: 0
Views: 154
Posted By keraba2

Looking for 24mm single chainring cranksets

I finally got tired of the chain drooping on my Nexus 11 vertical drop-outs conversion. I bought an eccentric bottom bracket for it. (Well, I also bought a chain tensioner, but I think the EBB will...
Forum: General Cycling Discussion
06-29-22, 10:11 AM
Replies: 8
Views: 423
Posted By keraba2

"you have certainly not proved it" I didn't...

"you have certainly not proved it"

I didn't claim that I did, troll.

"the gear mechanism of an IGH is not activated by coasting"

A dragging clutch, particularly soaked in grease, would...
Forum: General Cycling Discussion
06-28-22, 08:41 PM
Replies: 8
Views: 423
Posted By keraba2

7-11 - Comparing different Nexus IGHs

I have 3 bikes with Shimano IGHs: a 3 speed in an Italian road bike, a 7 speed in a steel commuter and an 11 speed in a carbon racing bike. This post is to describe how the latter 2 compare in...
Forum: General Cycling Discussion
06-09-22, 02:26 PM
Replies: 7
Views: 497
Posted By keraba2

ah, the SC4. Looks light. I'm curious how much. ...

ah, the SC4. Looks light. I'm curious how much.

It looks like Marin had quite a few IGHs a few years ago, but now it's just a few Presidio and Muir Woods. e.g. 2020 even had a Nexus 11 on the...
Forum: General Cycling Discussion
06-06-22, 07:47 PM
Replies: 7
Views: 497
Posted By keraba2

Hi Koala! My purchase of the 7 speed belt...

Hi Koala!

My purchase of the 7 speed belt drive was to that same purpose, but alas, it was too heavy to enjoy up the hill to my house. Still looking for a light IGH frame!
Forum: General Cycling Discussion
06-06-22, 06:42 PM
Replies: 7
Views: 497
Posted By keraba2

It goes to 11

I wasn't sure where to post this. Not exactly vintage, touring or commuting, but IGHs seem to overlap there.

I forget if I posted much about it, but I first converted a carbon fiber road bike to...
Forum: Advocacy & Safety
10-14-21, 11:21 AM
Replies: 20
Views: 1,508
Posted By keraba2

The trick to ID'ing plates is to take the frames...

The trick to ID'ing plates is to take the frames of the video and "stack" them. The letters will emerge as the data piles up along their shapes. It is probably only something an OpenCV hobbyist would...
Forum: Bicycle Mechanics
10-07-21, 03:34 PM
Replies: 6
Views: 707
Posted By keraba2

Clyde, I think you're right. I must have...

Clyde, I think you're right. I must have misremembered how the brakes on my motorcycles worked. There appear to be some newer bikes where the brake lever operates the ABS on both wheels, but that is...
Forum: Bicycle Mechanics
10-07-21, 02:37 PM
Replies: 6
Views: 707
Posted By keraba2

Hydraulic disc brake q

I'm not trying to start another rim vs disc brake thread. I'm genuinely curious about something.

On my car and motorcycle, the brake pedal or lever activates 2 or 4 wheels at a time. I guess this...
Forum: Advocacy & Safety
10-05-21, 02:15 PM
Replies: 20
Views: 1,508
Posted By keraba2

Thanks for the app recommendation. I too have...

Thanks for the app recommendation. I too have tons of old phones. I'll give it a try until I find my camera.
Forum: Advocacy & Safety
10-05-21, 08:52 AM
Replies: 20
Views: 1,508
Posted By keraba2

Auto-record is, when you apply power to the...

Auto-record is, when you apply power to the device, it immediately starts recording. Both of my current dashcams work this way. My GoPro doesn't even turn on; it just begins charging.

Plugging...
Forum: Advocacy & Safety
10-04-21, 07:05 PM
Replies: 20
Views: 1,508
Posted By keraba2

I'm not sure what "driving mode" is. It appears...

I'm not sure what "driving mode" is. It appears that some cameras e.g. GoPros support looping but don't support auto-record.
Forum: Advocacy & Safety
10-04-21, 03:23 PM
Replies: 20
Views: 1,508
Posted By keraba2

Regarding GoPro's and related, I'm looking for a...

Regarding GoPro's and related, I'm looking for a dashcam. This means that it begins recording as soon as it's powered on, and loops the video (until something tells it to stop.) They may...
Forum: Advocacy & Safety
10-04-21, 09:59 AM
Replies: 20
Views: 1,508
Posted By keraba2

Best 2 camera dashcam

I was surprised not to see a sticky in this category for recommended dashcams. Maybe they change too often.

I was considering the Sykik CR1 - 2" screen, which doubles as rear view mirror,...
Forum: Bicycle Mechanics
09-14-21, 09:22 AM
Replies: 1
Views: 235
Posted By keraba2

Shimano 6503 -> R3030 conversion BB

I'm still trying to restore an old Trek 5200. I'm trying to preserve the triple FD by switching from old Ultegra to new Sora. You can read about my earlier woes here:

(this site)...
Forum: Bicycle Mechanics
04-14-21, 07:44 PM
Replies: 12
Views: 1,363
Posted By keraba2

To close the loop here, what I ended up doing was...

To close the loop here, what I ended up doing was completely unpredictable. Since the pull ratio of the new lever was higher than the old, I essentially lengthened the lever arm on the derailleur. I...
Forum: General Cycling Discussion
04-05-21, 09:19 PM
Replies: 300
Views: 25,148
Posted By keraba2

+1 to afm199's comments. I have a 3x9 road bike....

+1 to afm199's comments. I have a 3x9 road bike. I had to change the right shifter, and wanted to change the left one. The right one was easy - a Sora shifter works perfectly. The left is impossible...
Forum: Bicycle Mechanics
03-18-21, 04:54 AM
Replies: 12
Views: 1,363
Posted By keraba2

Thanks for the suggestions. I didn't find any,...

Thanks for the suggestions. I didn't find any, but I did run into a Microshift R539. It looks like a perfect match, but I don't know the pull ratio. Does anyone know, or have a compatibility chart?
Forum: Bicycle Mechanics
03-17-21, 10:02 PM
Replies: 12
Views: 1,363
Posted By keraba2

ah, I want to be clear that I did not measure the...

ah, I want to be clear that I did not measure the distance between 2 gears. I measured the *entire* spectrum, from big chain-ring to small, on each shifter. I did not stop on the middle ring, or an...
Forum: Bicycle Mechanics
03-17-21, 06:34 PM
Replies: 12
Views: 1,363
Posted By keraba2

Hi Ross, I'm not sure what you mean by...

Hi Ross,

I'm not sure what you mean by "detents". I'm measuring how far the tape moves when I shift from high to low.
Forum: Bicycle Mechanics
03-16-21, 05:20 PM
Replies: 12
Views: 1,363
Posted By keraba2

Compatible shifter and FD for Ultegra 6503 ? (another flatbar conversion)

I've had a 2001 Trek 5200 since new, and love it to death. I love how light it is, and its triple chainring set-up. I've probably put 25,000 miles on the 20 years that I've had it.

Once, the right...
Showing results 1 to 29 of 29


 
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