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Search: Posts Made By: KCT1986
Showing results 1 to 50 of 234
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Forum: Bicycle Mechanics
04-23-24, 03:03 PM
Replies: 38
Views: 736
Posted By KCT1986

A thing to check is the distance between the...

A thing to check is the distance between the posts that the brakes mount unto. Shimano MTB V-brakes are usually speced to use an 80mm spacing standard. Narrower spacing would require that the rims...
Forum: Bicycle Mechanics
04-20-24, 12:23 PM
Replies: 5
Views: 224
Posted By KCT1986

For the RD-570?-? series, there are differences...

For the RD-570?-? series, there are differences in the cage of the models. 1st model was RD-5700. The 2nd version, (5700-A,) uses a different cage that is slightly longer between pulleys, and the...
Forum: Bicycle Mechanics
04-19-24, 12:34 PM
Replies: 43
Views: 1,168
Posted By KCT1986

Something to double check is if the RD is...

Something to double check is if the RD is installed correctly. The attachment of the bracket axle unit (the upper link) to the frame's hanger looks a little more vertical than common. And also the...
Forum: Bicycle Mechanics
04-10-24, 01:00 PM
Replies: 39
Views: 1,664
Posted By KCT1986

You may be seeing 5mm wound housing, but Shimano...

You may be seeing 5mm wound housing, but Shimano and Suntour had a different type of wound that were designated for index shifting. Wound is still used by Shimano on the lower speed groups even now,...
Forum: Classic & Vintage
04-08-24, 08:25 PM
Replies: 27
Views: 1,066
Posted By KCT1986

These era brifters, and the brake levers that it...

These era brifters, and the brake levers that it replaced, were not conducive to 'resting' the hands on the bracket/shift mechanism. It works better if it is grabbed with the palms facing inwards or...
Forum: Classic & Vintage
04-08-24, 03:10 PM
Replies: 27
Views: 1,066
Posted By KCT1986

Yes, this is probably your best course of action....

Yes, this is probably your best course of action.

If you want to maintain the classic 'look' of the bike/bar then you'll probably have to make some compromises. As others have mentioned, these...
Forum: Bicycle Mechanics
04-08-24, 11:30 AM
Replies: 10
Views: 329
Posted By KCT1986

Looks like that may be a lockring for a cassette...

Looks like that may be a lockring for a cassette with a larger outer sprocket. Is it marked 11T?
Forum: Bicycle Mechanics
04-05-24, 04:26 PM
Replies: 15
Views: 452
Posted By KCT1986

You need to get more info about the freehub body...

You need to get more info about the freehub body or picture.

Likely it is a Hyperglide style with the 11 speed length, which is compatible with 12 speed Shimano made cassettes. HG 10 speed fits,...
Forum: Bicycle Mechanics
04-03-24, 12:36 PM
Replies: 20
Views: 673
Posted By KCT1986

The EZ bend segment is for use when the routing...

The EZ bend segment is for use when the routing from the brifter needs to make a hard bend, either at the brifter/hbar junction or next to the bar. It uses a wound housing in this section so it can...
Forum: Bicycle Mechanics
03-29-24, 07:51 PM
Replies: 7
Views: 295
Posted By KCT1986

Here's how the DA freehub looks. Smaller...

Here's how the DA freehub looks. Smaller threaded portion, splined portion the same as all other UG, (and later HG, except for the wide/narrow splines that HG used for 'shift point' alignment(.

...
Forum: Bicycle Mechanics
03-29-24, 07:17 PM
Replies: 22
Views: 837
Posted By KCT1986

To pull the crankarm off of the spindle, you need...

To pull the crankarm off of the spindle, you need an ISIS compatible cranks puller or an adapter like the one in middle circle below.

...
Forum: Bicycle Mechanics
03-29-24, 04:19 PM
Replies: 7
Views: 295
Posted By KCT1986

Dura ace uniglide used a 32 threaded end...

Dura ace uniglide used a 32 threaded end sprocket. Other models used 34.6 (?).
Forum: Bicycle Mechanics
03-29-24, 11:54 AM
Replies: 6
Views: 334
Posted By KCT1986

Crank-probably FD-not really The...

Crank-probably

FD-not really

The Shimano road shifters for 11 speed changed the pull ratio from prior version (both front & rear). 11 speed pulls more cable, and is intended to be matched with...
Forum: Classic & Vintage
03-27-24, 04:22 PM
Replies: 7
Views: 295
Posted By KCT1986

Yes, in most cases no issues. Just need to check...

Yes, in most cases no issues. Just need to check that the outermost sprocket engages the end of the spline.

There a few 7 speed freehub bodies that have the shortened splines for use with an 11...
Forum: Bicycle Mechanics
03-27-24, 04:13 PM
Replies: 17
Views: 451
Posted By KCT1986

In the OP's case it probably needs a little...

In the OP's case it probably needs a little loosening of the L screw. He states that the shifter goes into L gear with force applied. Probably caused by the RD hitting the L limit, and cable having...
Forum: Classic & Vintage
03-27-24, 03:07 PM
Replies: 13
Views: 436
Posted By KCT1986

If you're referring to the bearing system as...

If you're referring to the bearing system as pictured below, it is just a special bushing. This is an example from back when they first used it.
...
Forum: Bicycle Mechanics
03-26-24, 07:28 PM
Replies: 17
Views: 451
Posted By KCT1986

If your issue is getting to the innermost...

If your issue is getting to the innermost sprocket (closest to the spokes), it may be the 'L' screw that may need to be loosened.

As a test, pull on an exposed part of the inner cable (along the...
Forum: Bicycle Mechanics
03-23-24, 03:47 PM
Replies: 15
Views: 490
Posted By KCT1986

The FH-7700 uses a DS cone that is different from...

The FH-7700 uses a DS cone that is different from most Shimano hubs. It extends inward further past the bearings than most, (don't know if this serves a purpose), and is most similar to the XTR...
Forum: Bicycle Mechanics
03-14-24, 05:01 PM
Replies: 11
Views: 511
Posted By KCT1986

Your version seems to be more similar to the...

Your version seems to be more similar to the FC-M540 with the 10mm style bolt. Bolt should be counter-clockwise to remove, on both sides. Cover should come out with the bolt, revealing standard crank...
Forum: Bicycle Mechanics
03-12-24, 04:15 PM
Replies: 90
Views: 3,082
Posted By KCT1986

I get what you mean about the entry hole to the...

I get what you mean about the entry hole to the chainstay but surely if the cable was scraping the frame material at the edge of the hole enough to fray the coating, it’s now going to cut through...
Forum: Bicycle Mechanics
03-07-24, 12:04 PM
Replies: 90
Views: 3,082
Posted By KCT1986

If the plan is still to take it back to the shop...

If the plan is still to take it back to the shop that did the cabling install, probably should take a picture of the cabling at the RD so the 'owner' can see the work that was done.

If the...
Forum: Bicycle Mechanics
03-06-24, 04:51 PM
Replies: 13
Views: 356
Posted By KCT1986

You may want to check that the cable housing has...

You may want to check that the cable housing has been preped properly. With clean straight cuts and the end caps are correctly sized and of proper quality.

If you are using coated slick cable with...
Forum: Bicycle Mechanics
03-06-24, 03:02 PM
Replies: 90
Views: 3,082
Posted By KCT1986

What looks like the bulge in the 'cover with...

What looks like the bulge in the 'cover with tongue' seems to be just the piece flaring out, since it is cracked. You can see the inner cable through the crack.
Forum: Bicycle Mechanics
03-05-24, 05:11 PM
Replies: 38
Views: 1,373
Posted By KCT1986

The issue with trying to go to 11 is that the...

The issue with trying to go to 11 is that the width of the freehub is probably not wide enough to fit a 11 speed cassette.

Here are the aprox.width of HG and compatible freehub bodies.
...
Forum: Classic & Vintage
03-02-24, 03:10 PM
Replies: 29
Views: 1,361
Posted By KCT1986

If you're referring to the bearing system as...

If you're referring to the bearing system as pictured below, then the 3 calipers above does have it. BR-1050 pictured.
...
Forum: Bicycle Mechanics
03-01-24, 08:31 PM
Replies: 90
Views: 3,082
Posted By KCT1986

Shimano calls it 'cover with tongue'. Probably...

Shimano calls it 'cover with tongue'. Probably to seal and protect the outer coating of the cable. The fraying of the coating is common and some think it's a problem that results in clogging. ...
Forum: Bicycle Mechanics
03-01-24, 01:26 AM
Replies: 90
Views: 3,082
Posted By KCT1986

Not sure if 1/2 inch is a lot. Maybe someone...

Not sure if 1/2 inch is a lot. Maybe someone else with more familiarity can chime in. Is this a SS or GS cage RD? so we have a reference to judge.

Hanger alignment?
Forum: Bicycle Mechanics
02-29-24, 10:46 PM
Replies: 90
Views: 3,082
Posted By KCT1986

Things to check on the RD. With the RD still...

Things to check on the RD.

With the RD still mounted, pull the lower pulley down toward the ground, then push/pull toward/away from the frame. There will be some movement but too much indicates...
Forum: Bicycle Mechanics
02-21-24, 06:36 PM
Replies: 25
Views: 645
Posted By KCT1986

Here is Shimano's reasoning for the shortened...

Here is Shimano's reasoning for the shortened teeth profile in the early SG chainrings (late 80's). Similar to some of their earlier attempts to modify the teeth's shape. These were designed to...
Forum: Bicycle Mechanics
02-21-24, 01:42 PM
Replies: 7
Views: 305
Posted By KCT1986

You mention M525 but have the link to the M525-A,...

You mention M525 but have the link to the M525-A, the 2 versions have different cone/cone seal setups.

The version # should be printed on the hub shell in the center of the barrel under the...
Forum: Bicycle Mechanics
02-20-24, 04:59 PM
Replies: 13
Views: 586
Posted By KCT1986

​​​​​​ Glad that you got it to work a little...

​​​​​​
Glad that you got it to work a little better.

Possibly the sanding that you did enables the pawl to 'drop' in the ratchet better. The outer end of the pawl is what engages the ratchet and...
Forum: Bicycle Mechanics
02-19-24, 01:19 PM
Replies: 5
Views: 251
Posted By KCT1986

Yes, there should be small allen grub screw in...

Yes, there should be small allen grub screw in the underside of the caliper, right above where the tire would be when mounted (on the short pivot arm). This must be loosened to remove the main bolt...
Forum: Bicycle Mechanics
02-15-24, 09:55 PM
Replies: 13
Views: 586
Posted By KCT1986

That does look like a chip on the very tip of the...

That does look like a chip on the very tip of the pawl. Mines chipped at an angle, so the angle that the thumb lever was pushed had an effect large on how much of the pawl engaged.

As for fixing,...
Forum: Bicycle Mechanics
02-15-24, 03:09 PM
Replies: 3
Views: 265
Posted By KCT1986

For your Scenario 2. No experience w/Campy ...

For your Scenario 2.

No experience w/Campy

From what I understand, the 12 speed Shimano road cassettes will fit on a Shimano brand wheelset speced for 11 speed. The inner part of the cassette...
Forum: Bicycle Mechanics
02-15-24, 11:41 AM
Replies: 13
Views: 586
Posted By KCT1986

Had a similar issue with the same shifter...

Had a similar issue with the same shifter (ST-M739) and upon inspection found that there was a 'chip' in the pawl. See the attached. (Sorry for the less than perfect pic, this is the only one that...
Forum: Classic & Vintage
02-11-24, 02:28 PM
Replies: 7
Views: 393
Posted By KCT1986

Forgot to mention, if the very middle sprocket is...

Forgot to mention, if the very middle sprocket is not the built-in spacer type, the spacer behind it (hub side) should be the larger OD type. The smaller OD type in this position may not properly...
Forum: Classic & Vintage
02-11-24, 12:56 PM
Replies: 7
Views: 393
Posted By KCT1986

The spacers for 7s are 3.1mm thick. Comes in 3...

The spacers for 7s are 3.1mm thick. Comes in 3 different configurations.
Spacer for large splined part of freewheel body.
Spacer for smaller splined part of freewheel body. Available in larger OD...
Forum: Classic & Vintage
02-10-24, 12:39 PM
Replies: 31
Views: 1,090
Posted By KCT1986

Glad to hear that it seems to have worked. The...

Glad to hear that it seems to have worked. The position that the cable needs to be attached can vary a little depending the wear condition of the RD pivots & guide pulley. You may need to 'fiddle'...
Forum: Classic & Vintage
02-07-24, 08:19 PM
Replies: 31
Views: 1,090
Posted By KCT1986

The issue is that the actuation ratio of the RD...

The issue is that the actuation ratio of the RD and the shifter is different. The SL & ST-74xx series is designed to be used with FD-74xx which has an actuation ratio of 1.9/1. The RD-64xx has a...
Forum: Bicycle Mechanics
01-27-24, 02:14 PM
Replies: 30
Views: 1,236
Posted By KCT1986

Here is Shimano's explanation of how the front...

Here is Shimano's explanation of how the front shifting is designed to improve shifting. This is from the very beginning of SG-X so some differences have been made since. MTB triple in this...
Forum: Classic & Vintage
01-23-24, 04:24 PM
Replies: 50
Views: 1,809
Posted By KCT1986

When you do the 'glued' install, use your truing...

When you do the 'glued' install, use your truing stand to help align the tire and check for roundness. When you stretch it on, certain parts of the tire may stretch more than other areas. Push/pull...
Forum: Classic & Vintage
01-23-24, 01:29 PM
Replies: 15
Views: 717
Posted By KCT1986

The chart in post #3 is from 2011 as mentioned. ...

The chart in post #3 is from 2011 as mentioned. Just posted it to show that they are not totally generic.

Older versions may be designed to 'sit' further from the hub's flange since the innermost...
Forum: Classic & Vintage
01-22-24, 09:17 PM
Replies: 57
Views: 2,831
Posted By KCT1986

Currently almost all triples are 'old school...

Currently almost all triples are 'old school tech'.

Other options for Shimano Tripleizer ring replacements (w/92mm) are the FC-4603 and non-series R563.
Forum: Classic & Vintage
01-22-24, 03:56 PM
Replies: 15
Views: 717
Posted By KCT1986

Not really generic. Shimano has a few different...

Not really generic. Shimano has a few different models. See the attached from 2011 compatibility doc. Don't see the model # you show. Note the flange width measurement.

Don't know if your 'old'...
Forum: Bicycle Mechanics
01-20-24, 04:15 PM
Replies: 86
Views: 6,041
Posted By KCT1986

You may be asking for a little too much of bike...

You may be asking for a little too much of bike wheel. Even with high quality parts, there are limits. It may not be reasonable to expect perfectly straight, round and exactly even tension.

It's a...
Forum: Bicycle Mechanics
01-16-24, 08:46 PM
Replies: 7
Views: 290
Posted By KCT1986

Yes, seems that the 1x12 Wide versions are not...

Yes, seems that the 1x12 Wide versions are not much wider for stay clearance, at least for the 2021 version.
Forum: Bicycle Mechanics
01-16-24, 08:21 PM
Replies: 7
Views: 290
Posted By KCT1986

Here is the Tech info from SRAM. This is from...

Here is the Tech info from SRAM. This is from 2021's Frame Fit Spec. Haven't checked if changes have been made after 2021.
...
Forum: Bicycle Mechanics
01-15-24, 03:16 PM
Replies: 11
Views: 526
Posted By KCT1986

Don't know what the procedure that the bike shop...

Don't know what the procedure that the bike shop is intending or what solvent they use, but may be adequate.

Also, don't know what the WD40 version you tried. People here have used normal WD40,...
Forum: Bicycle Mechanics
01-15-24, 12:54 PM
Replies: 15
Views: 491
Posted By KCT1986

An item to check on your replacement options...

An item to check on your replacement options would be if it allows angle adjustment of the pad. The Shimano pad holders 'now' have a convex/concave configuration on the holder/spacer that makes...
Forum: Bicycle Mechanics
01-15-24, 12:18 PM
Replies: 9
Views: 369
Posted By KCT1986

The Ultegra cranksets uses the older spline...

The Ultegra cranksets uses the older spline design, commonly called Octalink V1, that has different dimensions than the 'V2', (usually found on MTB) cranks. The 118mm is likely a V2.

See the...
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