#61
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Thanks for the concise answer. Much appreciated. |
#62
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As a new user of mechanical disc brakes, can you explain this to me? I don't get it.
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It's not an adventure until something goes wrong. - Yvon C. |
#63
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You, a new user of mechanical brakes, won't see this. |
#64
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Are mech discs lighter? If so, by how much?
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#65
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I like mechanical brakes for their simplicity. I do travel a lot and the bike is in the car or broken down in a bike bag going on a flight. The last thing I want to do is worry about bleeding a mushy lever at my destination. I worked at a bike shop, many customers showed up with that exact issue when in town for an event. With a mechanical setup, I can get a brake cable literally anywhere I travel. |
#66
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I like simplicity. When hydros appeared, I said I would never have hydro discs on a bike. I was a motorcyclist for years and so had experience with working on hydros, it wasn't theory. Then in 2015 I got the Pivot FS29er used, with XT hydros, and they were so much better on a MTB that I was in. I had BB7 Road cable brakes on my Anderson, and I think Avid never got the road versions right. I still have BB7 MTB calipers on my Big Dummy and on the Litespeed, and with compressionless housing and flat bar levers they work very well. I've never felt the need to try Spyres or Juintechs or Klampers.
The Klampers apparently function well but have poorly design cable routing IMO, are heavy, and weigh a ton. The Growtacs made sense to me, I watched the usual Youtube reviews and decided to go for it, because on a travel bike where I will be removing the calipers from the frame and especially the fork I will avoid the hassle of re-setting the calipers so there is no pad rub. It's super easy with the Growtacs. And I won't need to worry about some weirdness with air in the system 3,000 miles from home, or oil on the pads. That said, I've had hydros on the Strong and now the Bingham without any incident for a couple of years and with excellent performance. Part of this is I like to try new things when they make sense to me. Einstein said, things should be as simple as possible, and no simpler. I like discs for bikes that can get ridden in other-than-dry conditions, so I'm willing to put up with that level of added complexity, but if cables can work, that does simplify things. i recognize that the Growtacs have a variable cam actuation and I will need to pay attention to pad wear, but my experience is that I get >5,000 miles out of a set of road bike pads, so this isn't exactly an everyday occurrence. |
#67
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I didn't do a good job at this when I swapped on the Habanero. My intention is to swap them on the Bingham (which has Dura Ace so pretty light) and weigh the whole bike before and after if I can remember in my tiny brain to do so. guessing there will be a slight savings because I think the DA hydro levers are maybe 100-150g more than the mech levers. The DA calipers are likely a bit lighter than the Growtac calipers.
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#68
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Red 22 mechanical hydro shifter, caliper, and hydro hose is around 378g each. So around 756g total from and rear.
Red 22 full mechanical shifters 280g for the pair, Growtac calipers 170g = 450g front and rear. Plus cables 100g +-? Red AXS is around 750g for the pair, hoses, shifters, and caliper. Last edited by CAAD; 03-09-2023 at 10:15 AM. |
#69
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#70
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I was intrigued by these until I saw the price... Especially compared to Spyres (I feel the same about Klampers). Serious question for those who have gone this route: if you're going to spend this much, why not move to hydro? Is it all about shifter ergonomics?
Edit: feel free to ignore this, just saw all of the answers above í ½í¸…
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Supersix Evo Hi-Mod, Felt F1, Scott Subspeed 20 Last edited by ssb94; 03-09-2023 at 10:57 AM. Reason: Redundant |
#71
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For comparison, my wife's old MTB has 9 spd XTR with hydraulic discs. These hyro discs must be near Shimano's first generation and most in the know recommend avoiding them for various reasons, but the brakes are far more powerful and have better modulation than my Yokos. |
#72
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No bleeding. No contaminated pads / rotors, by extension. Plug-and-play. Coming from just having bled all my mtb discs, mechanical calipers are looking better and better.
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#73
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Recycle your mechanical brake/shifters that came with your last group set without having to purchase hydro brake shifters to get the supposed many advantages of disk brakes. Not a fan of hydro disc brakes, hybrid hydraulic, cable actuated, OK much more rational engineering for a bike!
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Marc Sasso A part of the resin revolution! Last edited by m_sasso; 03-09-2023 at 03:09 PM. |
#74
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What about for mountain?
As I’m prepping to bleed a set of elixirs, i wanted to get the early adopters take on whether they’d put these on a mountain bike with short pull levers.
I’m running spyre’s with short pull ird levers on my rigid wily 29er with 160mm rotors. Less fuss than the BB7s they replaced (so far). What do you think of doing the same with these growtac with 160mm rotors? Any reason not to run these mountain? |
#75
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Because if this is just about a cultural taboo like not riding mountain in bibs with chamois cream, I’ve already crossed that line.
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