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Search: Posts Made By: oldbobcat
Showing results 1 to 50 of 1000
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Forum: Bicycle Mechanics
09-19-24, 12:08 PM
Replies: 32
Views: 579
Posted By oldbobcat

Maybe. Now that you've replaced the cable and...

Maybe. Now that you've replaced the cable and housing, here's some beta. First, make sure the hanger is straight. Second, check your chain length. If the chain is too long, shifting around the...
Forum: Bicycle Mechanics
09-19-24, 11:48 AM
Replies: 61
Views: 1,718
Posted By oldbobcat

Is this a 1x that you purchased from a brand that...

Is this a 1x that you purchased from a brand that knows what they're doing, or is this a 1x that you cobbled together yourself?

adlai, where art thou?
Forum: Bicycle Mechanics
09-18-24, 09:18 PM
Replies: 19
Views: 334
Posted By oldbobcat

They probably were. They were also most likely 8-...

They probably were. They were also most likely 8- or 9-speed. When HG 8-speed was established, HG 7-speed was phased out. 7-speed became the "economy" drivetrain and got relegated to freewheels.
Forum: Bicycle Mechanics
09-18-24, 01:29 PM
Replies: 6
Views: 176
Posted By oldbobcat

This is difficult without more information....

This is difficult without more information. Shimnao 11-speed road FDs are a different animal. First, the cable pulls a lot harder than on the previous generations. If this is a braze-on unit, you...
Forum: Bicycle Mechanics
09-18-24, 01:12 PM
Replies: 6
Views: 141
Posted By oldbobcat

FSA bottom bracket bearings are more expensive...

FSA bottom bracket bearings are more expensive that Shimano, and they don't hold up as well. If you feel funny putting a Shimano crank on your bike, look at Praxis.
Forum: Fitting Your Bike
09-17-24, 05:13 PM
Replies: 6
Views: 355
Posted By oldbobcat

If you were trying to adapt a road bike for...

If you were trying to adapt a road bike for commuter/hybrid duty, we could get all wrapped up in the fit, but the major brands know what they're doing Just get the size the manufacturer and dealer...
Forum: Fitting Your Bike
09-17-24, 12:42 PM
Replies: 8
Views: 313
Posted By oldbobcat

That's what I said. The post was about riding 5-6...

That's what I said. The post was about riding 5-6 miles in the drops.
Forum: Fitting Your Bike
09-16-24, 02:54 PM
Replies: 8
Views: 313
Posted By oldbobcat

We have no idea what kind of a road bike you're...

We have no idea what kind of a road bike you're riding, so it's hard to give you definitive answers. For example, there are four widely used handlebar clamp diameters, 25.4, 26.0, 26.4, and 31.8....
Forum: Bicycle Mechanics
09-16-24, 02:36 PM
Replies: 82
Views: 2,687
Posted By oldbobcat

Having performed annual tune-ups on the same...

Having performed annual tune-ups on the same bikes for over ten years, I've noticed that, barring an incident like hitting something, most decent quality wheels need less touching up as they age.
Forum: Bicycle Mechanics
09-16-24, 02:29 PM
Replies: 15
Views: 298
Posted By oldbobcat

A coaster brake or internally geared hub might...

A coaster brake or internally geared hub might use a spacer between the locknut and the frame. A hub for a derailleur-equipped bike would put the spacers on the inside of the locknuts.
Forum: Bicycle Mechanics
09-16-24, 01:42 PM
Replies: 19
Views: 334
Posted By oldbobcat

With a 7 speed rear cluster, it's probably a...

With a 7 speed rear cluster, it's probably a freewheel. Take it to your local shop. Chances are, they can order a dandy replacement wheel from J&B Importers. You might be able to find something a...
Forum: Bicycle Mechanics
09-15-24, 08:01 PM
Replies: 16
Views: 336
Posted By oldbobcat

A lot of beginners don't know where to start...

A lot of beginners don't know where to start describing a problem, and we all have our favorite "first places to look," because that's what worked for us before. But "take it back to the shop" is the...
Forum: Bicycle Mechanics
09-15-24, 07:51 PM
Replies: 17
Views: 382
Posted By oldbobcat

Until I got to the part where you stated your...

Until I got to the part where you stated your height, I was going to suggest exchanging the whole bike for a 54. But if you're grazing the top tube on a vintage 58, you'll probably appreciate the...
Forum: Bicycle Mechanics
09-14-24, 12:31 PM
Replies: 43
Views: 1,770
Posted By oldbobcat

Glad you guys sorted this out. Nice work. It...

Glad you guys sorted this out. Nice work.

It reminds me of a customer who a similar problem with an FSA Gossamer on a Specialized Allez. He'd never clean his bike, so when the bottom bracket got...
Forum: Bicycle Mechanics
09-14-24, 11:11 AM
Replies: 15
Views: 340
Posted By oldbobcat

Perhaps a photo of the bottom bracket shell of...

Perhaps a photo of the bottom bracket shell of the frame and the crank that you wish to put on it would be helpful.
Forum: Bicycle Mechanics
09-13-24, 01:48 PM
Replies: 20
Views: 585
Posted By oldbobcat

Using nominal sizes, the radiusi of 700c x 45...

Using nominal sizes, the radiusi of 700c x 45 should be a little bit larger than 27" x 1.25. 622/2 + 45 = 356 mm. 630/2 + 32 = 347 mm.
Forum: Bicycle Mechanics
09-13-24, 11:35 AM
Replies: 26
Views: 896
Posted By oldbobcat

Of course, if you're using friction shifting...

Of course, if you're using friction shifting indexing will not be a problem. Friction means no indexing, period.

As for Deore and Shimano road chains, when Shimano came out with the 5600-6600-7800...
Forum: Fifty Plus (50+)
09-12-24, 02:49 PM
Replies: 51
Views: 3,272
Posted By oldbobcat

If she has any remaining inclination to try her...

If she has any remaining inclination to try her balance, have her try an Electra Townie. Trek/Electra dealers are very accommodating with test rides. The upright seating posture and low, setback...
Forum: Bicycle Mechanics
09-12-24, 02:03 PM
Replies: 54
Views: 8,097
Posted By oldbobcat

1-2 mm is cutting it close. Any dirt kicked up by...

1-2 mm is cutting it close. Any dirt kicked up by your chain will end up on the inner ring and eat the paint off your chainstay. And, eventually, whatever is underrneath it.
Forum: Bicycle Mechanics
09-12-24, 01:54 PM
Replies: 26
Views: 896
Posted By oldbobcat

B No, you cannot use a ten-speed chain on...

B
No, you cannot use a ten-speed chain on eight-speed cogs. Mainly, the cogs are too wide. Secondarily, the front derailleur won't index properly on the narrower chain. 7-8 speed chains are cheap...
Forum: Bicycle Mechanics
09-12-24, 01:36 PM
Replies: 45
Views: 1,408
Posted By oldbobcat

Pretty soon we will all be using disc brakes, so...

Pretty soon we will all be using disc brakes, so we won't have wheel guides on pad holders to kick around anymore.
Forum: Bicycle Mechanics
09-10-24, 02:30 PM
Replies: 68
Views: 1,827
Posted By oldbobcat

Of course it's adjustable. Old alloy seat post...

Of course it's adjustable. Old alloy seat post clamps just get sticky with corrosion after being ignored for a few decades. Remove the saddle and totally dismantle the clamp. As you reassemble, apply...
Forum: Bicycle Mechanics
09-09-24, 09:47 AM
Replies: 68
Views: 1,827
Posted By oldbobcat

Then loosen the bolt, tilt the saddle to your...

Then loosen the bolt, tilt the saddle to your desired position, and tighten the bolt. If it returns to the old position, perhaps it needs a little grease on the sliding surfaces to make is set in the...
Forum: Bicycle Mechanics
09-08-24, 11:13 PM
Replies: 68
Views: 1,827
Posted By oldbobcat

While I'd get a new saddle just on principle,...

While I'd get a new saddle just on principle, saddle design so significantly improving over the last 40 years, your problem is due to a failure of your seatpost or your failure to adjust it properly....
Forum: Bicycle Mechanics
09-08-24, 06:48 PM
Replies: 30
Views: 1,201
Posted By oldbobcat

The Soma Highway One has a modern bend and is...

The Soma Highway One has a modern bend and is available with a 26.0 clamp diameter. https://www.somafab.com/archives/product/highway-1-bar. Looks like the Nitto M151 might fit the bill, too.
Forum: Bicycle Mechanics
09-08-24, 01:00 PM
Replies: 26
Views: 896
Posted By oldbobcat

Bur has the rumbling gone away? As alcjphil...

Bur has the rumbling gone away?

As alcjphil pointed out, that lockring isn't compatible with your 11-tooth cog, so the outer links skate over the lock ring instead of allowing the rollers to seat...
Forum: Fitting Your Bike
09-04-24, 08:17 PM
Replies: 23
Views: 1,203
Posted By oldbobcat

The directional forces for hiking, running,...

The directional forces for hiking, running, sprinting, bowling, climbing, . . . are very different from riding a bicycle.
Forum: Fitting Your Bike
08-31-24, 10:01 AM
Replies: 3
Views: 295
Posted By oldbobcat

It can be done, but if it doesn't cost more than...

It can be done, but if it doesn't cost more than what you paid for the frame, you paid too much for it.
Forum: Bicycle Mechanics
08-21-24, 09:35 AM
Replies: 27
Views: 4,358
Posted By oldbobcat

I see your point now. That was a good tip.

I see your point now. That was a good tip.
Forum: Bicycle Mechanics
08-20-24, 07:22 PM
Replies: 27
Views: 4,358
Posted By oldbobcat

It's not about the age of the bike. It's about...

It's not about the age of the bike. It's about the age of the question.
Forum: Bicycle Mechanics
08-19-24, 04:52 PM
Replies: 27
Views: 4,358
Posted By oldbobcat

But after 17 years you'd think the guy who posted...

But after 17 years you'd think the guy who posted this question either solved his problem or moved on.
Forum: Fitting Your Bike
08-18-24, 11:34 AM
Replies: 103
Views: 7,615
Posted By oldbobcat

All Campagnolo and Stronglight seatposts of that...

All Campagnolo and Stronglight seatposts of that era had a moderate measure of setback. Given that, Eddy's saddles were always dead level or damn close to it. (There may have been a little tip-up...
Forum: Bicycle Mechanics
08-18-24, 10:59 AM
Replies: 9
Views: 494
Posted By oldbobcat

The first thing to do is to find out what it is...

The first thing to do is to find out what it is rubbing against. With a pair of eyes, a pair of ears, and an arm to turn the crank, that shouldn't be too difficult.
Forum: Bicycle Mechanics
08-18-24, 10:52 AM
Replies: 26
Views: 1,231
Posted By oldbobcat

You're requesting someone provide you with a...

You're requesting someone provide you with a catalog of some pretty obscure data. All other things being equal, you could obtain samples of these units and measure the fully extended distance between...
Forum: Bicycle Mechanics
08-17-24, 05:57 PM
Replies: 29
Views: 1,118
Posted By oldbobcat

105 5500 likes 9-speed.

105 5500 likes 9-speed.
Forum: Bicycle Mechanics
08-17-24, 05:50 PM
Replies: 33
Views: 1,492
Posted By oldbobcat

A chain that's too long will make it more...

A chain that's too long will make it more difficult to get the jockey pulley on the rear derailleur closer to the cogs using the b-screw. I used to cut my chains a little long until I found I could...
Forum: Bicycle Mechanics
08-17-24, 05:42 PM
Replies: 22
Views: 761
Posted By oldbobcat

Aye, hydraulic lines are the rub.

Aye, hydraulic lines are the rub.
Forum: Bicycle Mechanics
08-17-24, 05:41 PM
Replies: 22
Views: 761
Posted By oldbobcat

Aye, hydraulic lines are the rub.

Aye, hydraulic lines are the rub.
Forum: Bicycle Mechanics
08-16-24, 04:01 PM
Replies: 27
Views: 4,358
Posted By oldbobcat

Holy crap, this is a 17 year-old thread. What am...

Holy crap, this is a 17 year-old thread. What am I doing here? Don't answer that.
Forum: Bicycle Mechanics
08-16-24, 07:57 AM
Replies: 27
Views: 4,358
Posted By oldbobcat

What is the size of the largest cog that you're...

What is the size of the largest cog that you're using on that new cassette?
Forum: Bicycle Mechanics
08-14-24, 04:07 PM
Replies: 17
Views: 1,015
Posted By oldbobcat

The housing does not go all the way through the...

The housing does not go all the way through the frame. There should be stop ferrules at the head tube, one for each shift cable, an exit hole and cable guide under the bottom bracket, an entry hole...
Forum: Bicycle Mechanics
08-12-24, 08:45 PM
Replies: 57
Views: 3,285
Posted By oldbobcat

Well, warranty it, fix it, or find someone who...

Well, warranty it, fix it, or find someone who can fix it. It isn't going to get fixed by talking about it in Bike Forums.
Forum: Bicycle Mechanics
08-12-24, 08:41 PM
Replies: 57
Views: 3,285
Posted By oldbobcat

I haven't seen, let alone tossed, an Atom...

I haven't seen, let alone tossed, an Atom freewheel in almost 50 years.
Forum: Bicycle Mechanics
08-07-24, 06:43 PM
Replies: 25
Views: 1,040
Posted By oldbobcat

But of course. Thanks for explaining. Usually, I...

But of course. Thanks for explaining. Usually, I just scroll past.
Forum: Bicycle Mechanics
08-07-24, 06:41 PM
Replies: 25
Views: 1,040
Posted By oldbobcat

She has more sense than that. But thanks for...

She has more sense than that. But thanks for asking.
Forum: Fitting Your Bike
08-07-24, 03:46 PM
Replies: 23
Views: 1,203
Posted By oldbobcat

It's a combination of things. When you're pigeon...

It's a combination of things. When you're pigeon toed, the ankles can't flex properly, especially under load. Set your cleats to a neutral position and concentrate on having a near level foot and...
Forum: Fitting Your Bike
08-06-24, 08:43 PM
Replies: 27
Views: 1,685
Posted By oldbobcat

The bottom one has rise, meaning vertical...

The bottom one has rise, meaning vertical orientation of the handgrips to the stem clamp, and more sweep, meaning the handgrips reach back a little more. The rotation of bars like this should be that...
Forum: Fitting Your Bike
08-06-24, 08:33 PM
Replies: 23
Views: 1,203
Posted By oldbobcat

Having swimmer's feet and legs, I started riding...

Having swimmer's feet and legs, I started riding slightly plantar-flexed (pointy-toed), supinated (weight to the outside of the foot), and pigeon-toed. As my knees and hips gained flexibility, I...
Forum: Bicycle Mechanics
08-06-24, 04:55 PM
Replies: 10
Views: 416
Posted By oldbobcat

I've never been disappointed by Sun rims. I've...

I've never been disappointed by Sun rims. I've been impressed by Weinmann ZAC-19s, too.
Forum: Bicycle Mechanics
08-06-24, 04:49 PM
Replies: 25
Views: 1,040
Posted By oldbobcat

Here is the automotive analogy. ...

Here is the automotive analogy.

https://cimg7.ibsrv.net/gimg/bikeforums.net-vbulletin/1105x610/what_is_tire_stretching_are_stretched_tires_safe_4f231979f09f6c0271614a43aeb4eb97b281004d.jpg...
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