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Search: Posts Made By: KCT1986
Showing results 1 to 50 of 879
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Forum: Classic & Vintage
05-09-24, 03:13 PM
Replies: 15
Views: 330
Posted By KCT1986

It looks like the hub is one of the really old...

It looks like the hub is one of the really old ones, early 80s. Possibly one of the ones that used that just used the cone & bearings to hold the freehub body onto the hub shell.

Your 'old'...
Forum: Bicycle Mechanics
05-09-24, 12:58 PM
Replies: 17
Views: 322
Posted By KCT1986

Yes, If the shop replaced the 11T with a Shimano...

Yes, If the shop replaced the 11T with a Shimano 12T sprocket designed for 11 speed, the sprocket would not have the recessed area and the serrations would be adjacent to the inner hole. The...
Forum: Bicycle Mechanics
05-09-24, 11:09 AM
Replies: 17
Views: 322
Posted By KCT1986

For the Shimano road 11 speed cassettes, the...

For the Shimano road 11 speed cassettes, the standard lockring is the smaller 11T capable type. This works since the outermost sprocket is designed for this lockring. What is different is that the...
Forum: Classic and Vintage Sales
05-08-24, 03:11 PM
Replies: 6
Views: 395
Posted By KCT1986

You should also check the OLN of the FH-6402, if...

You should also check the OLN of the FH-6402, if not altered it should be 130mm. But it is a good candidate to do 126mm for running 8/9/10 cassettes.
Forum: General Cycling Discussion
05-07-24, 08:10 PM
Replies: 15
Views: 373
Posted By KCT1986

Your bike seems to have been equipped originally...

Your bike seems to have been equipped originally with some version of the road GripShift, a product of SRAM. These type of shifters were sometimes used back before brifters were available. Currently...
Forum: General Cycling Discussion
05-07-24, 12:48 PM
Replies: 15
Views: 373
Posted By KCT1986

The general consensus is that Suntour rear...

The general consensus is that Suntour rear derailleurs are not compatible with Shimano or Shimano compatible brifters. The standard Suntour index system uses a different actuation ratio. In brief...
Forum: General Cycling Discussion
05-06-24, 05:16 PM
Replies: 15
Views: 373
Posted By KCT1986

It depends on the group that is on the bike. If...

It depends on the group that is on the bike. If this is the Shimano equipped year, then it should be doable with 7 speed brifters and a road triple front derailleur. 7 speed brifters are not too...
Forum: General Cycling Discussion
05-06-24, 12:54 PM
Replies: 9
Views: 488
Posted By KCT1986

The difference in actuation ratio for FD between...

The difference in actuation ratio for FD between MTB & road really happened when road went to brifters. A possible reason is that early brifters had the shift unit in the very front of the pod. To...
Forum: Bicycle Mechanics
05-05-24, 04:46 PM
Replies: 15
Views: 333
Posted By KCT1986

Could you have changed the hub spacing when...

Could you have changed the hub spacing when rebuilding?

Shimano's spec below. Suntour stated 37mm for the same spec for 7 speed, back in the Accushift days, (7 sp ultra FW).
...
Forum: Classic & Vintage
05-05-24, 03:05 PM
Replies: 7
Views: 1,399
Posted By KCT1986

Can't speak about the quality of those rings. How...

Can't speak about the quality of those rings. How they will wear or shift may not be optimal, but that will depend on your use and expectation.

9/10 speed rings may have the teeth offset on the...
Forum: Bicycle Mechanics
05-05-24, 11:47 AM
Replies: 7
Views: 212
Posted By KCT1986

Never said the wide spline was for strength. ...

Never said the wide spline was for strength.

Said that as long as one of the splines is not cut-away on the back side, it is strong enough to prevent the sprockets from rotating in the non-drive...
Forum: Bicycle Mechanics
05-05-24, 10:19 AM
Replies: 7
Views: 212
Posted By KCT1986

The splines are cut-away in the non-driving side....

The splines are cut-away in the non-driving side. But as picture, at least 1 of the splines is full width so the sprockets can't rotate. Should not be enough force in that direction to need more...
Forum: Bicycle Mechanics
05-03-24, 12:35 PM
Replies: 8
Views: 298
Posted By KCT1986

Yes, that is exactly what I expected was...

Yes, that is exactly what I expected was happening.

The chainline difference would be 3mm, a little less than 1 sprocket inboard, usually not really noticeable. Just something to remember if you...
Forum: Bicycle Mechanics
05-03-24, 11:01 AM
Replies: 8
Views: 298
Posted By KCT1986

So, did you find that the model # is different...

So, did you find that the model # is different between your cranks?

The different models of the crank varies in the length of the spindle and has a small effect on the chainline & thread width (Q...
Forum: Road Cycling
05-02-24, 03:16 PM
Replies: 6
Views: 212
Posted By KCT1986

These seems to be the SL-BS78, 10 sp SIS or...

These seems to be the SL-BS78, 10 sp SIS or friction. Part of the DA 7800 group. The later BS79 was SIS only.

The light action refers to the spring assist. Earlier version shown below, should be...
Forum: Bicycle Mechanics
05-01-24, 02:13 PM
Replies: 8
Views: 298
Posted By KCT1986

Is the picture of the left arm? Is the right arm...

Is the picture of the left arm? Is the right arm marked in the same manner, with multiple model numbers?

Shimano sometimes mark crank arms with specific model numbers on the right, but multiple...
Forum: Early Brifter Bikes - 7,8, and 9 Speed
04-26-24, 04:58 PM
Replies: 8
Views: 579
Posted By KCT1986

The FH-6500 is a standard 8/9/10 speed freehub,...

The FH-6500 is a standard 8/9/10 speed freehub, what Shimano calls HG-M. As for cassette fitment, any HG spline from Shimano & compatibles will work, with rear spacer in some cases. Nothing unusual...
Forum: Bicycle Mechanics
04-23-24, 03:03 PM
Replies: 38
Views: 1,086
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
04-21-24, 08:38 PM
Replies: 65
Views: 2,364
Posted By KCT1986

There was a RX-100 triple crank, marked '-T'. ...

There was a RX-100 triple crank, marked '-T'. This was from earlier than the OP's bike, about '92 (7 speed group). It was one of Shimano's early use of 130/74 triple for road. Followed a few years...
Forum: Bicycle Mechanics
04-21-24, 04:58 PM
Replies: 65
Views: 2,364
Posted By KCT1986

You should double check your actual eqmt. The...

You should double check your actual eqmt. The bike may not have the exact parts in the listing. It may have had changes made to it, at the purchase point or later. What you stated in your original...
Forum: Bicycle Mechanics
04-20-24, 02:22 PM
Replies: 5
Views: 288
Posted By KCT1986

Yes, as stated prior, the 1st version has...

Yes, as stated prior, the 1st version has shortest C to C, and slight difference in upper pulley location.

Installing new cages should work. Shimano doesn't provide info on the bodies. But, many...
Forum: Bicycle Mechanics
04-20-24, 12:26 PM
Replies: 5
Views: 288
Posted By KCT1986

Not In this case, there is much more going on. ...

Not In this case, there is much more going on. See post #3.
Forum: Bicycle Mechanics
04-20-24, 12:23 PM
Replies: 5
Views: 288
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, 02:07 PM
Replies: 43
Views: 1,389
Posted By KCT1986

Haha, don't know what is for, the MTB Shadow...

Haha, don't know what is for, the MTB Shadow style RD that I've seen doesn't have it.

Guess that it would keep the bracket from rotating backward, but the bracket is supposed to be firmly attached...
Forum: Bicycle Mechanics
04-19-24, 01:41 PM
Replies: 43
Views: 1,389
Posted By KCT1986

Yes, just move it into the correct position. All...

Yes, just move it into the correct position. All else should be good.

Disregard all the other unhelpful posts, DONE.
Forum: Bicycle Mechanics
04-19-24, 12:34 PM
Replies: 43
Views: 1,389
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: Classic & Vintage
04-17-24, 10:51 AM
Replies: 14
Views: 547
Posted By KCT1986

There shouldn't be anything inherently slower on...

There shouldn't be anything inherently slower on the design on the Cdale. It may be a little heavier @ 21 pound but common for mid 80s. Wheels are probably 36 spokes, also common. The rest of the...
Forum: Bicycle Mechanics
04-16-24, 08:32 PM
Replies: 15
Views: 692
Posted By KCT1986

If you decide to rebuild, Sheldon Brown has a...

If you decide to rebuild, Sheldon Brown has a good writeup of wheelbuilding. Very worth a read if you haven't done so already. Includes step by step directions in the easy to read method. Can be...
Forum: Bicycle Mechanics
04-15-24, 04:44 PM
Replies: 11
Views: 581
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: 1,893
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: 397
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: 397
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: 576
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: 797
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: 327
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: 327
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: 1,893
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: 1,893
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: 368
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: 1,179
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: 1,179
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: 394
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: 617
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: 524
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: 524
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: 524
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: 1,959
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: 352
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: 818
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: 1,172
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...
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