fearing the slow good bye to rim brake bikes
06-08-22, 08:41 AM
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If one thinks it's worthwhile for other people to read, it should be worthwhile to check the spelling (especially, for the word the think the post is about). It's basic courtesy.
It was funny that he cared enough about something to write a post about it but couldn't take the trivial extra effort to spell it correctly. ...
It was funny that he cared enough about something to write a post about it but couldn't take the trivial extra effort to spell it correctly. ...
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06-08-22, 08:55 AM
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Love my rim-braked Wilier bike; did 170km / 1310m on it today. Lovely bike that I have no intention of ever selling. I hope to be riding it many years from now.
I like my disc road bike too albeit that will be subject to updating/upgrading over time.
I like my disc road bike too albeit that will be subject to updating/upgrading over time.
06-08-22, 09:04 AM
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06-08-22, 09:30 AM
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06-08-22, 09:36 AM
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06-08-22, 09:41 AM
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Being objective, the overall increase in weight with disc brakes is only a couple of hundred grams. It certainly isn't 2 lbs. Disc specific wheel rims are actually lighter by the way, which offsets a bit of extra hub/spoke weight. As for frame and fork weight, it's a wash. The fork is a little heavier, but there are savings around the frame where rim brakes would have been mounted.
06-08-22, 09:42 AM
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06-08-22, 09:45 AM
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Why/how is 'newer just better'? I have ridden newer disc brake bikes that I like a lot and ones I dislike. Newer is not inherently better.
06-08-22, 09:45 AM
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06-08-22, 09:51 AM
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I spent much of today riding a current $5k road bike with discs and 32mm tires (GP 5000s). The bike is a boat anchor; at over 18 pounds it weighs about 2 pounds more than a similarly spec'd and priced rim brake bike from 5 years ago.
Reason for the extra weight: the frame and fork reinforcements required to handle disc braking forces, and the much heavier wheels - again required to handle the forces from the ends of the fork to the rider. The farm tractor tires didn't help with my speed on pavement either.
Wouldn't it be much more efficient for wheel rims to secure tires, and double as braking surface? I'm guessing that 5 years from now the industry will roll this novel concept out with great fanfare. And big price increases.
Anyway, you can get sub-800 gram rim-brake road frames direct from Asia. The big brands have abandoned high-end rim brake frames? I've abandoned the big bike brands.
Reason for the extra weight: the frame and fork reinforcements required to handle disc braking forces, and the much heavier wheels - again required to handle the forces from the ends of the fork to the rider. The farm tractor tires didn't help with my speed on pavement either.
Wouldn't it be much more efficient for wheel rims to secure tires, and double as braking surface? I'm guessing that 5 years from now the industry will roll this novel concept out with great fanfare. And big price increases.
Anyway, you can get sub-800 gram rim-brake road frames direct from Asia. The big brands have abandoned high-end rim brake frames? I've abandoned the big bike brands.
- 18# bike being called a boat anchor? Ha, come on.
- 2# extra weight due only to disc brakes? Ha, come on.
- 32mm GP5k tires being called tractor tires? Ha, come on.
Perspective is huge in life.
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06-08-22, 10:16 AM
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small minded fellow.
06-08-22, 10:44 AM
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Simply getting the gist is a low standard for communication, in my eyes.
I will let this die, since its an issue.
06-08-22, 10:46 AM
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good idea...u exhaust me.
06-08-22, 10:55 AM
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There is a world of difference in rim wear between road and mountain/off-road environments.
If you are fortunate to live in a dry climate, rim brake rims will last decades.
But I do understand the limitations of rim brakes in less than ideal environments.
John
If you are fortunate to live in a dry climate, rim brake rims will last decades.
But I do understand the limitations of rim brakes in less than ideal environments.
John
06-08-22, 11:16 AM
#91
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Why do disc-compatible wheels weight so much? On disc wheels, braking forces are transmitted from the ground through the spokes to the rotors/calipers then through the fork and then to the rest of the mass on the bike.
In contrast, on rim brake wheels, forces are transmitted from the ground circumferentially through the rim to the brake calipers. And from there to the fork crown to the rest of the bike. Forces transmitted through the fork and spokes are much lower, which means they both can be built lighter.
BTW: the need to bulk up the fork and frame to handle disc-generated forces is a key reason why these are so harsh and dead feeling. I suppose this is a motivation for fatter tires, which then further adds a bunch of weight and rolling resistance.
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06-08-22, 11:20 AM
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06-08-22, 11:33 AM
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Just typed in "2022 Giro" in the search bar and pulled up a few pics showing that rim breaks are still relevant. If you want to sell your bike and get a newer disc break model, by all means do so though. They work wonderfully.
Last edited by DMC707; 06-08-22 at 11:36 AM.
06-08-22, 11:37 AM
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06-08-22, 11:51 AM
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Sounds like you’re looking for trouble. No problemo.
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06-08-22, 12:23 PM
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tl;dr
Has anyone concerned with the question (not the spelling) brought up buying a supply of brake consumables? I'd think you could get a 30 m roll of brake housing, half a dozen brake cables, a dozen sets of brake shoes, and even a spare rim or two. $200 total cost isn't a dent in the price of a new disc brake bike, and it should last at least 10 years.
Has anyone concerned with the question (not the spelling) brought up buying a supply of brake consumables? I'd think you could get a 30 m roll of brake housing, half a dozen brake cables, a dozen sets of brake shoes, and even a spare rim or two. $200 total cost isn't a dent in the price of a new disc brake bike, and it should last at least 10 years.
06-08-22, 12:38 PM
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tl;dr
Has anyone concerned with the question (not the spelling) brought up buying a supply of brake consumables? I'd think you could get a 30 m roll of brake housing, half a dozen brake cables, a dozen sets of brake shoes, and even a spare rim or two. $200 total cost isn't a dent in the price of a new disc brake bike, and it should last at least 10 years.
Has anyone concerned with the question (not the spelling) brought up buying a supply of brake consumables? I'd think you could get a 30 m roll of brake housing, half a dozen brake cables, a dozen sets of brake shoes, and even a spare rim or two. $200 total cost isn't a dent in the price of a new disc brake bike, and it should last at least 10 years.
As for the other stuff, brake housing and cables should stay in production much longer than 10 years -- even if hydro discs trickled down all the way to the bottom tomorrow, there will still be lots of bikes in service that will need cables and housings.
Rubber brake pads get hard and less effective over time. I like to have my next set of pads on hand, but anything more than that is at risk of turning into wood.
06-08-22, 12:59 PM
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