Originally Posted by CarloM
(Post 21103443)
The funny thing is that I purchased one of those USB power bricks from Amazon, the one that lets you power 6 USB devices and has smart power to charge them at their appropriate amperage, and placed it near my two Di2 bikes. So I can charge their Di2 and also the four Bontrager LED lights.
Who'd have thought 20 years ago that such a thing would ever happen... I understand the need for charging your lights, but how often are you charging the Di2 battery? |
Originally Posted by noodle soup
(Post 21103473)
Back in the 90s Mavic was trying to develop electronic shifting. Who would have thought it would take so long for it to become commonplace?
I understand the need for charging your lights, but how often are you charging the Di2 battery? It primarily was to solve the lights issue: I'd often forget that I'd gone through a pair, use up the other pair, then don't have lights because I was too lazy to go hunting for Apple charging adapters. |
Originally Posted by Kimmo
(Post 21102440)
Don't be pedantic. IMO there are still a few niggles with road disc, which realistically, has only been a thing for a few years.
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Originally Posted by noodle soup
(Post 21102518)
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Originally Posted by CarloM
(Post 21102887)
Oh man, I stumbled onto this thread too late. It took me about 20 minutes to replace (upgrade) my SM-RT800 rotors with some Dura-Ace level RT900 rotors that I scored a sweet deal on, and also to replace the resin pads. The resin pads cost me $40, and the rotors $100, and although the 800s were still very much within their ....................
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Originally Posted by on the path
(Post 21104279)
This is a pro-disc post?
And in exchange I get great stopping power in all seasons, and don't have to worry about rim brakes tracks on carbon wheels. Which if anything goes wrong, far eclipses the cost of rotors and pads. Also keep in mind that was all my first time doing any of that. Future instances will be much faster. |
Originally Posted by CarloM
(Post 21104362)
Absolutely.........
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Originally Posted by on the path
(Post 21104279)
This is a pro-disc post?
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Originally Posted by on the path
(Post 21104404)
Dura Ace brake pads are less than $18.00 for front & rear. Disc brake replacement parts as indicated in your post @ $140.00. Unless money is no object, this is a great reason to ignore all things disc on road bikes, unless there is a specific need, i.e. foul weather riding and/or off road.
Originally Posted by noodle soup
(Post 21104432)
It is a little confusing. He overpaid for the pads(they are available for $18 for a complete set), and he replaced discs that weren’t worn out.
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Originally Posted by on the path
(Post 21104404)
Dura Ace brake pads are less than $18.00 for front & rear. Disc brake replacement parts as indicated in your post @ $140.00. Unless money is no object, this is a great reason to ignore all things disc on road bikes, unless there is a specific need, i.e. foul weather riding and/or off road.
And you're ignoring their improved performance of disc. Modulation. Stopping power. When I recently got into the cycling game I was trying to save money and was looking seriously at rim brake bikes since they were all being clearanced. Apparently we can consider 2019 the Year the Manufacturers Went [Nearly] All Disc. But riding the two...it's very evident which are superior brakes even in dry weather for me and my style of riding. I still go into my LBS and see one year (or older) models being clearanced at 25-40% off original MSRP, but most are rim brakes. I try them out and they're all great to ride. Until I hit the brakes. And then I realize I'm not going back to rim brakes.
Originally Posted by noodle soup
(Post 21104432)
It is a little confusing. He overpaid for the pads(they are available for $18 for a complete set), and he replaced discs that weren’t worn out.
And I already admitted the Dura-Ace rotors were for their cool aesthetics--although Shimano will claim they perform better than the Ultegra versions, which they'll claim to perform better than the 105 versions... Since I'm using resin pads, which are rotor-life friendly, I don't anticipate buying new rotors any time soon. |
My take is that high quality rim brakes are way more than adequate wet or dry.
But... I’m planning a new build and it’s going to have discs. Why? Because I can swap wheel sizes. 26, 650b, 700c. Not limited. *why would you want to swap between those?* everyone will ask. Because one comfortable, quality bicycle that can be ridden for as long as I want is what I want. And sometimes that means dirt, sand, mud and gravel. Sometimes it means ice. Sometimes it’s pavement. |
Wow, I don't think anyone has mentioned being able to swap wheel sizes as an advantage for discs in this thread till now. That factor is a big deal for a small number of folks.
Originally Posted by CarloM
(Post 21104452)
And I already admitted the Dura-Ace rotors were for their cool aesthetics--although Shimano will claim they perform better than the Ultegra versions, which they'll claim to perform better than the 105 versions...
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Originally Posted by WhyFi
(Post 21104448)
Beyond that, should rotors *need* to replaced, it would be appropriate to compare it to the cost and frequency of replacing a rim on a rim brake bike. If you want to get in to disc vs rim wear item replacement costs, rim brakes aren't going to win if you like nice wheels.
I've got nice wheels, light and strong, rim brake setup. I avoid riding anything but paved roads with them. And the brakes work fantastically well on that bike. Barring something unusual, those wheels should be in service for several more years. Why fix that which is not broken? |
Originally Posted by on the path
(Post 21104600)
I'm sure it happens but I've not heard of anyone wearing out a brake track on a rim. However, I do hear of rims failing at the nipple holes (not ironically, disc setups are tougher on spokes/nipples... show me a front wheel with radially laced spokes and I'll show you a wheel that's been improperly built). A worn rim has likely served its useful life. A failed nipple hole could be from normal use, abuse, or improper spoke tensioning.
I've got nice wheels, light and strong, rim brake setup. I avoid riding anything but paved roads with them. And the brakes work fantastically well on that bike. Barring something unusual, those wheels should be in service for several more years. Why fix that which is not broken? As as far as spoke lacing, yes 24/24 with cross lacing is absolutely required as a minimum for disc brakes. Radially spoked wheels are about, but nobody who really builds wheels seems to endorse that. |
Originally Posted by on the path
(Post 21104600)
I'm sure it happens but I've not heard of anyone wearing out a brake track on a rim.
Originally Posted by on the path
(Post 21104600)
A worn rim has likely served its useful life.
Originally Posted by on the path
(Post 21104600)
I've got nice wheels, light and strong, rim brake setup. I avoid riding anything but paved roads with them. And the brakes work fantastically well on that bike. Barring something unusual, those wheels should be in service for several more years. Why fix that which is not broken?
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... page 10 ... Yay!
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Originally Posted by CarloM
(Post 21104452)
To each their own, $40 vs. $18 for something I don't replace often isn't a big deal for me, but I won't begrudge anyone else for whom that is a significant amount.
And you're ignoring their improved performance of disc. Modulation. Stopping power. When I recently got into the cycling game I was trying to save money and was looking seriously at rim brake bikes since they were all being clearanced. Apparently we can consider 2019 the Year the Manufacturers Went [Nearly] All Disc. But riding the two...it's very evident which are superior brakes even in dry weather for me and my style of riding. I still go into my LBS and see one year (or older) models being clearanced at 25-40% off original MSRP, but most are rim brakes. I try them out and they're all great to ride. Until I hit the brakes. And then I realize I'm not going back to rim brakes. I paid $40 for 2 sets, back and front, including tax. And I already admitted the Dura-Ace rotors were for their cool aesthetics--although Shimano will claim they perform better than the Ultegra versions, which they'll claim to perform better than the 105 versions... Since I'm using resin pads, which are rotor-life friendly, I don't anticipate buying new rotors any time soon. Sorry, simply making a declaration does not make something true. I can just as easily say that, wait somebody already said:
Originally Posted by Tulok
(Post 21104535)
high quality rim brakes are way more than adequate wet or dry.
Factually, disc brakes are heavier and more expensive on road bikes. That is not open for debate. That the industry wants us to play along and "upgrade" to something we don't need has never been a reason for me to play along. Have fun... |
... just doing my bit to help this one limp along to ...
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... Eleven pages! What are records for, if not to be broken?
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Originally Posted by Kimmo
(Post 21104548)
Wow, I don't think anyone has mentioned being able to swap wheel sizes as an advantage for discs in this thread till now. That factor is a big deal for a small number of folks.
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Originally Posted by on the path
(Post 21104600)
I'm sure it happens but I've not heard of anyone wearing out a brake track on a rim.
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Originally Posted by WhyFi
(Post 21104634)
So don't. Like the other poster, enjoy your "good enough for me." Or were you thinking that this was an "Obama's coming for my rim brakes!" kind of deal? I realize that this is the 41, but how can a thread like this contain no meaningful mention of tires? Tires are the single most significant component of any vehicle braking system. Ever hear - "your car is only as good as its tires"? When you're done "modulating" it's all up to the tires. |
Originally Posted by Seattle Forrest
(Post 21104672)
I've worn several out.
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Originally Posted by on the path
(Post 21104673)
Um, I'll declare that rim brakes categorically are just as good as disc brakes. And disc brakes are good enough. And heavy. And expensive. And overly complicated for the application.
I realize that this is the 41, but how can a thread like this contain no meaningful mention of tires? Tires are the single most significant component of any vehicle braking system. Ever hear - "your car is only as good as its tires"? When you're done "modulating" it's all up to the tires. |
Originally Posted by WhyFi
(Post 21104685)
Yeah, but you don't know what you're talking about, so you've got that goin' for ya, which is nice.
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