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Search: Posts Made By: KCT1986
Showing results 1 to 50 of 851
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Forum: Bicycle Mechanics
04-15-24, 04:44 PM
Replies: 7
Views: 190
Posted By KCT1986

The position of the H screw will depend on the...

The position of the H screw will depend on the cranks chainline (and to a degree how 'lack of wobble' your rings are). Chainstay length and cassette width also plays a part.

As for adjusting, it...
Forum: Bicycle Mechanics
04-13-24, 08:08 PM
Replies: 39
Views: 1,340
Posted By KCT1986

The info from Suntour was from the late 80s when...

The info from Suntour was from the late 80s when there were many problems with Accushift equipped bikes. One of the issues was probably from the continued use of brake housing instead of the...
Forum: Classic & Vintage
04-13-24, 02:12 PM
Replies: 11
Views: 269
Posted By KCT1986

That is a cassette. You need to check if your hub...

That is a cassette. You need to check if your hub has a freewheel or freehub.

Do a quick look at the Sheldon Brown links that are a 'sticky' in the Mechanics sub-forum.
Forum: Classic & Vintage
04-13-24, 12:17 PM
Replies: 11
Views: 269
Posted By KCT1986

If the rear wheel is original, it will probably...

If the rear wheel is original, it will probably be a freewheel type hub, not the more modern freehub type.

With the freewheel type, you are generally limited to a 12T outer sprocket. The standard...
Forum: Bicycle Mechanics
04-12-24, 12:32 PM
Replies: 16
Views: 372
Posted By KCT1986

During this time period Shimano sometimes used a...

During this time period Shimano sometimes used a shift mechanism that was an integrated 'pod' that bolted to the bracket or brake bracket.

Best step is to look for the model number printed on the...
Forum: Bicycle Mechanics
04-12-24, 10:48 AM
Replies: 31
Views: 536
Posted By KCT1986

He is probably referring to the numbers on the...

He is probably referring to the numbers on the shifter indicator. 3 (large chainring), 2 (mid), 1 (small), and 7 (outermost sprocket), ...1 (innermost sprocket). So, 37 if something like 42T front,...
Forum: Bicycle Mechanics
04-10-24, 09:30 PM
Replies: 4
Views: 199
Posted By KCT1986

While some UG cassettes use the spacer between...

While some UG cassettes use the spacer between the outermost sprockets, this is a Dura ace UG only freehub. These have the unique smaller treaded sprockets and are the integrated spacer type. The...
Forum: Bicycle Mechanics
04-10-24, 07:15 PM
Replies: 4
Views: 199
Posted By KCT1986

That looks like a quite thick spacer. Possibly a...

That looks like a quite thick spacer. Possibly a thinner spacer back there will provide a happy medium, allowing both RD/spoke clearance and sprocket/seatstay room. With an UG locking sprocket, the...
Forum: Bicycle Mechanics
04-10-24, 02:33 PM
Replies: 39
Views: 1,340
Posted By KCT1986

Shimano & Suntour included wound housing with...

Shimano & Suntour included wound housing with their RD in the early index days, marked SIS or Accushift.

Bike OEMs and shops may have neglected to use the 'approved' housing (wrong color?).:) ...
Forum: Bicycle Mechanics
04-10-24, 01:00 PM
Replies: 39
Views: 1,340
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: Bicycle Mechanics
04-09-24, 09:42 PM
Replies: 4
Views: 237
Posted By KCT1986

Don't know about the cable stop attachment...

Don't know about the cable stop attachment method, but it has been reported on here that the liners sold for bikes are available in couple of sizes.

Another source of a liner would be ebay. There...
Forum: Classic & Vintage
04-08-24, 08:25 PM
Replies: 27
Views: 988
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: 988
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: 287
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
04-06-24, 11:57 AM
Replies: 16
Views: 461
Posted By KCT1986

Don't use too much lube on the nipples. Too much...

Don't use too much lube on the nipples. Too much lube can get into the hollow chamber of the rim and is impossible to clean. This will make a mess later on the rim tape as the lube seeps out. Just...
Forum: Bicycle Mechanics
04-05-24, 08:48 PM
Replies: 15
Views: 381
Posted By KCT1986

Yes, you'll need to research the feasibility of...

Yes, you'll need to research the feasibility of replacing the freehub body. The interface of the XDR cassette/freehub body is a 'standard', but how the body attaches to the hub could vary.

Don't...
Forum: Bicycle Mechanics
04-05-24, 07:48 PM
Replies: 15
Views: 381
Posted By KCT1986

Sounds like SRAM XDR. Left side of pic. ...

Sounds like SRAM XDR. Left side of pic.

Depending on the hub manufacturer, there may be a HG spline type available. You'll need to ID the hub/wheelset and research.
...
Forum: Bicycle Mechanics
04-05-24, 04:26 PM
Replies: 15
Views: 381
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: Early Brifter Bikes - 7,8, and 9 Speed
04-05-24, 12:31 PM
Replies: 15
Views: 1,761
Posted By KCT1986

If you stay 9 speed and want aero cable routing...

If you stay 9 speed and want aero cable routing for the shift cables then ST-R3030 (front) is your only choice for Shimano.

For non-aero, there are a number of older models (65??, 55??, 4400). ...
Forum: Bicycle Mechanics
04-03-24, 08:11 PM
Replies: 10
Views: 276
Posted By KCT1986

Possibly a older 9 speed, FD-6503 or 5503/04 may...

Possibly a older 9 speed, FD-6503 or 5503/04 may be an option. These were designed for a 52/42 combo, so 10T instead of the 13T of later models. The cage is slightly different from the FD-6603.
...
Forum: Bicycle Mechanics
04-03-24, 04:11 PM
Replies: 20
Views: 574
Posted By KCT1986

Another possible option, is to use a small washer...

Another possible option, is to use a small washer at the end of the housing to 'square off' the load that may be presented by a slightly 'cocked' alignment.

For shifter housing, I drop these...
Forum: Bicycle Mechanics
04-03-24, 03:51 PM
Replies: 31
Views: 927
Posted By KCT1986

Well, that's good to hear. You want the rear...

Well, that's good to hear.

You want the rear DS set of spokes to be very close to the perfect length. The calculated end should be between the 'slot' and top of the head, or a little beyond after...
Forum: Bicycle Mechanics
04-03-24, 12:36 PM
Replies: 20
Views: 574
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
03-31-24, 08:01 PM
Replies: 31
Views: 927
Posted By KCT1986

Yes, about what was expected based on the pics...

Yes, about what was expected based on the pics (the top of the wrench flat is quite close to the rivet). Some change must have been made, possibly to the 'cup' or the rivet for the spoke...
Forum: Bicycle Mechanics
03-31-24, 05:02 PM
Replies: 6
Views: 273
Posted By KCT1986

For the older FDs, the clamp on adapter was the...

For the older FDs, the clamp on adapter was the same, just different diam. Having part #s like SM-AD1? for different sizes.

Some of the newer FDs have newer part #s for the adapters. Number such...
Forum: Bicycle Mechanics
03-31-24, 02:57 PM
Replies: 21
Views: 631
Posted By KCT1986

In 1x 12 speed, SRAM has wide in most lines, but...

In 1x 12 speed, SRAM has wide in most lines, but the Q factor just goes up from 145 only to 150. This is based on 2022 lineup. So barely a change, 2.5mm of the change if equal L & R.
Forum: Bicycle Mechanics
03-31-24, 12:57 PM
Replies: 31
Views: 927
Posted By KCT1986

Looking at your pictures, it seems that your...

Looking at your pictures, it seems that your spokes about 3mm short, if targeting between bottom of slot & top. Have you double checked that the lacing is correct? If you followed Sheldon's...
Forum: Bicycle Mechanics
03-29-24, 07:51 PM
Replies: 7
Views: 265
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: 738
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: 265
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, 03:34 PM
Replies: 6
Views: 274
Posted By KCT1986

The 9 sp 105 (55?? series) was both double and...

The 9 sp 105 (55?? series) was both double and triple capable, so the total range of cable pull would have been longer. This would mean using more than the 'normal 2x range' would be enough to shift...
Forum: Classic & Vintage
03-29-24, 01:22 PM
Replies: 25
Views: 764
Posted By KCT1986

Not sure if there is any standard or guideline...

Not sure if there is any standard or guideline from back in the days of 5 or early 6 speed since friction shifting was most common.

With early index shifting, here is some info from Suntour about...
Forum: Bicycle Mechanics
03-29-24, 11:54 AM
Replies: 6
Views: 274
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
03-28-24, 08:31 PM
Replies: 7
Views: 246
Posted By KCT1986

Yes, it seems that the OP plans to use a 7 speed...

Yes, it seems that the OP plans to use a 7 speed freehub body and run 9 of 10. With the CS-7800 the inner sprockets are on a carrier, so one of the 'dropped' sprockets will have to be one of the...
Forum: Bicycle Mechanics
03-28-24, 12:16 PM
Replies: 9
Views: 494
Posted By KCT1986

Couple of options to look at, FD-6503 Ultegra &...

Couple of options to look at, FD-6503 Ultegra & FD-5503 / 4 (105). This series was for a 10 tooth difference between the outer/mid rings (52/42), so not optimal but probably OK. There is also a...
Forum: Classic & Vintage
03-27-24, 04:32 PM
Replies: 13
Views: 406
Posted By KCT1986

Never had one of these come loose (yet). ...

Never had one of these come loose (yet).

But, being that the bushing is a plasticy material, who knows. May be affected by many things; age, wear, exposure to UV or solvents, heat/freezing cycles,...
Forum: Classic & Vintage
03-27-24, 04:22 PM
Replies: 7
Views: 246
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: 379
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: 406
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: 379
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
03-26-24, 04:09 PM
Replies: 6
Views: 208
Posted By KCT1986

Another consideration is what cassette you are...

Another consideration is what cassette you are considering. The Novatec and the VO seems to be 11 speed length freehub bodies and the Shimano 8/9/10 length. The Shimano will take a Shimano 11 speed...
Forum: Bicycle Mechanics
03-26-24, 03:40 PM
Replies: 15
Views: 399
Posted By KCT1986

You need to check the seal size. The 7700, and...

You need to check the seal size. The 7700, and FH of that era and slightly later, used smaller OD rubber seals on the drive side. The smaller seals were the same size as many Shimano front hubs.
...
Forum: Bicycle Mechanics
03-24-24, 03:01 PM
Replies: 7
Views: 256
Posted By KCT1986

Most of the later versions of the Shimano 8/9/10...

Most of the later versions of the Shimano 8/9/10 speed freehub bodies had the 'hollowed out' splines. Also present on 11 speed bodies, just a little longer. Excepts standard HG splined cassettes.
...
Forum: Bicycle Mechanics
03-23-24, 03:47 PM
Replies: 15
Views: 399
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: Classic & Vintage
03-20-24, 04:50 PM
Replies: 51
Views: 2,652
Posted By KCT1986

Had some DiaCompe that were made for frames with...

Had some DiaCompe that were made for frames with that routing. Had to ditch them when the levers went aero and my small frame made the front routing too tight. Right hand / front braking would have...
Forum: Classic & Vintage
03-20-24, 02:57 PM
Replies: 51
Views: 2,652
Posted By KCT1986

Interesting that the brake cable exits on the...

Interesting that the brake cable exits on the right side in the rear. Wonder if the smaller sized frame also were this way.

Is the internal routing for full cable housing run? or stops on each...
Forum: Classic & Vintage
03-19-24, 09:12 PM
Replies: 13
Views: 371
Posted By KCT1986

There was no ST-7403 nor 6403, these early...

There was no ST-7403 nor 6403, these early brifters were 2x only. Of these early brifters, you has to go 105 or lower to get triple front.
Forum: Classic & Vintage
03-19-24, 08:42 PM
Replies: 13
Views: 371
Posted By KCT1986

The ST-7400 is not 'natively' compatible with any...

The ST-7400 is not 'natively' compatible with any RD other than the 740? series.

Another concern is the FD. The 6400 series had 2 versions of FD, the later 6401 is designed to work brifters, the...
Forum: Bicycle Mechanics
03-19-24, 07:07 PM
Replies: 8
Views: 434
Posted By KCT1986

You need to confirm which type of brake system...

You need to confirm which type of brake system this is. Do a quick web search for brake types (V-brake, dual pivot caliper, single pivot caliper, disc brake).

Responses #2 & #3 above assumes...
Forum: Bicycle Mechanics
03-16-24, 02:51 PM
Replies: 136
Views: 3,896
Posted By KCT1986

Thanks for the info on hub model. Here is the...

Thanks for the info on hub model. Here is the tech doc.

https://cimg9.ibsrv.net/gimg/bikeforums.net-vbulletin/840x855/shimano_fh_7700_37e4b0bb1a25d769bb8e6ee7c009ce5d3f9aefb7.jpg

In it's stock...
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