Amazon.com: Compressionless Brake Housing Perfect for full-housing, high-performance bikes with mechanical disc or rim brakes, 20 black alloy lined end caps, 10 black POP end caps included. Compressionless housing has one major drawback. Total pad gap on a V-brake or dual pivot caliper is around 5mm. The reason I'm asking is because I've installed compressionless housing and they are so stiff, no matter how I position the cables, little slack or a lot of slack, they push the handlebars to the right. Weve also heard scary rumors of cyclists who leave their cross bikes in a dark corner for six months out of the year. They take some of the sponginess out of the brake lever and feel more solid and give a better brake feel. One of the newcomers and featured product. I don't believe they are. Thanks for contributing an answer to Bicycles Stack Exchange! The helical nature of the individual strand path in braided compressionless brake housing mitigates this effect almost entirely in most cases on bikes. If you were to strip the coating off of both sets of housing, you would discover that your brake housing has one flat strand of spiraling wire. The short-pull housing has been optimized to be dimensionally stable even if the forces transmitted by the cables are large. The outer jacketing isnt just shrink-wrapped around the metal innards. Coil housing, being made of thick steel, is a very robust design that is much more able to shake off or only be incrementally affected by damage, abrasion, kinks, and material degradation. Already have an account with us? They are rock solid. If you find yourself in this third category, and havent jumped on hydraulic braking systems like many riders, you might want to consider an investment in upgraded cables and housing. The wall in compressionless brake housing is wrapped in telfon, kevlar, or steel coil to keep them from deforming, just like your hand keeps the straws together. Yokozuna released their own kit, called the Reaction, where the compressionless strands are surrounded by a spiral wrap. Compressionless brake housing is designed for purpose and has a material (perhaps steel or carbon braid) to stop the strands splitting with excess force. ''I don't understand why anyone would like to use constant-length ("compressionless") housing on any brake.'' This is one of the reasons linear housing was invented for shifting, to prevent the shifting point changing either over time or as the handlebars were turned or cable routing flexed. My comment about confusing to old timers has to do with being warned to never using spiral wound casing for brakes because it could fail. Can Brake Housing Be Used For The Derailleur Cable On A Bike Post your problems, and we will try to get your bike rolling again. Friction is extremely low and its compressionless brake and derailleur housing yields fantastic responsiveness, The uniquely constructed Yokozuna Reaction brake housing (left) gets its compressionless feel by using longitudinal wires similar to standard derailleur housing (right). As good as the derailleur cable and housing is, its the similarly slippery brake setup that is truly astounding. We've got a few openings we're looking to fill soon. It costs more but the performance is 100% worth it. Road bike disc brakes - how to choose the best mechanical - Cyclingnews You've been subscribed to our newsletter. That being said, we cant think of any other bits that provide as much of a real-world boost in function for such little money so in that sense, theyre absolutely worth it. Pro Compressionless brake housing eliminates flex from cable actuated braking systems, increasing power and improving lever feel. Personally I think that the Jagwire pro stuff is absolutely worth it. Log in or register to join the conversation. The uniquely constructed yokozuna reaction brake housing (left) gets its compressionless feel by using longitudinal wires similar to standard derailleur housing (right). Definitely worth it, although you don't necessarily have to spend a fortune - there is a lifeline compressionless brake kit on wiggle which also works well, although it is hard to route and heavy. But then you said the housing reduces it back down by a factor of about 5 again, just wondered what that was based on. Bicycle gear and brake cables; installation and maintenance. Helpful. With brifters for example you would land in the different groupsets, which lead to different cranksets, which lead to different cassettes, which leads to (thank you Shimano). Compressionless brake housing is something of a glass cannon in comparison; it's a bunch of steel wires that fundamentally don't want to stay together and resist the forces they're being put under, but are able to do so because of the standout properties of the layer of kevlar fabric that constrains them. What is compressionless brake housing? $Manu$ has been manufacturing best products for many years. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Compressionless brake housing is the obvious choice for those who dont have cable-stops on their cross rigs, and are thus required to run a full length of housing from the lever to the rear caliper. it would only be 85 braking units because the housing absorbs the rest of the lever activation? This is the perfect opportunity to invest in a dedicated cable cutter. Sun Tour Cyclone brake levers and brake cable housing. Making statements based on opinion; back them up with references or personal experience. I know how to setup the brakes so I have tried the usual stuff i.e cleaning the rotor with alcohol, New pads (properly bed in) and I have also changed both the inner and outer cable making sure the rear cable housing has very few bends - Even then I am making the bends as gradual as possible. Query for records from T1 NOT in junction table T2, hz abbreviation in "7,5 t hz Gesamtmasse", How to write equation where all equation are in only opening curly bracket and there is no closing curly bracket and with equation number. It's quite a bit more expensive than regular cables, but that's fine if I get my money's worth. #1 Hi, I am tired of working on the COVID-19 issue/hundreds of emails I am getting per day, so need a little diversion. Thermal Bib Shorts: High End vs Low End Do You Get What You Pay For? The cables and mountain pro brake kit is highly effective, endurant and light. This compressionless housing really makes a difference. A shift cable isn't strong enough to handle the forces used with disc brakes and would snap. I was under the impression that the only advantag cable disk brakes have over hydraulic onse is the price What would be the benefit of investing in high-end/specialized parts for cable disk brakes? Jagwire has developed their Road Pro kits, which include compressionless brake housing that is reinforced with Kevlar. 1996-2023, Amazon.com, Inc. or its affiliates. There may be other brands. But if that was all the cable manufacturers did it wouldn't work. Local minima and local maxima of a univariate polynomial. cable housing with braided metal hard to cut? Gore Ride-On announced last year that it would be discontinuing production of its much-loved derailleur cable and housing sets, so weve been scrambling to find a suitable replacement ever since. It's the housing design that limits the flexibility, and they all share pretty much the same design. You might check and see what Jagwire has. This is an xxl frame with full - length housing runs. Ok thanks - I am a little reluctant to get new pads just yet as I have just bought 2 sets of new after market pads (decent ones not cheap stuff either). Save time in searching for most relavant and trusted products. Learn more about Stack Overflow the company, and our products. Let me explain. Building a safer community: Announcing our new Code of Conduct, We are graduating the updated button styling for vote arrows, Statement from SO: Moderator Action today. Moreover, it is worth the money and it is solid. I just wanted to share that Jagwire compressionless housing made a huge difference for my S40's braking performance. I'm not aware of any measurements to quantify the compression curve of brake housing, but that would be interesting to see. Your compressionless derailleur housing, on the other hand, is composed of over a dozen straight wires, and if you removed the coating, theywould look like the light wands they used to sell at the circus. Save 25% + Crankbrothers Stamp 1 pedals (worth 49.99) when you subscribe to MBUK magazine. Sign in to manage your newsletter preferences. You can get generic packs of 100 on eBay for $12. Jagwire's Pro DIY kit, compared to their base-level cables and housing, offers a smoother, longer . Join our team and make a difference in the sport. This is perfect for high quality cable and it can for customer service. Ferrule size for a road brake cable housing slot? Does Intelligent Design fulfill the necessary criteria to be recognized as a scientific theory? It vastly improves the brake feel on road cable disc brake calipers. For the record: using SRAM shifters with TRP Spyre brakes. Will compressionless cable housings make a significant difference in the performance of my mechanical disc brakes? In terms of whether you have issues with the lever bottoming against the bar, that compression distance is essentially added to the total pad gap. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. But, like the spring it resembles, when you brake and put a load on it it compresses a tiny bit. Short pull has less cable pulled, but the force in the cable is larger so the product of force and cable travel is the same for both pull types. Would using compressionless brake housing for derailleur be a problem? Does the Earth experience air resistance? Thanks that's what I was looking for - never realised the leverage difference between rim and cable disc, but it's obvious now looking at how they work. See more In the past you had to be very careful never to use the compressionless housing with brakes as the spiral wound casing was only held together by the plastic outer casing of housing. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Both examples you posted have an additional kevlar reinforcement over their gear cable counterparts. The outer cable types used for shifting are sometimes called compressionless housing, but this is an incorrect term. The traditonal compression brake housing is on top, with a spiral cord. The type of housing you have has an impact on your shifting and braking. I've edited this answer to be something I can stand by, but see that it was likely accepted on the basis of incorrect reasoning, so I'm open to it being taken down or un-accepted as the answer, neither of which I can do. @Wilskt: you're somewhat confusing energy and force. Can expect make sure a certain log does not appear? If you use lower-quality housing, your shifting and braking will suffer. 10 Meter Pro Compressionless Brake Housing, ZHB902 E.g. Asking for help, clarification, or responding to other answers. Weve said before that cables and housing are the lifelines of your bike. The special housing delivers excellent compressionless performance for enhance cable response, especially for brakes, which has been hard for other makers to produce. Turns out they can do the fabled 1-finger-stop with the right housing. Nobody likes spongy brakes. That said, I have always trusted Sheldon Brown's advice on a variety of bike related topics. Yokozuna Reaction cable and housing set review, GBP 50.00 RRP However, a strong-fingered heavy rider could exceed the design forces of long-pull housing if used with short-pull brakes. Are there any food safety concerns related to food produced in countries with an ongoing war in it? That could be lethal! It's about distance, not force. This demonstrates that in terms of lever movement to pad movement, mechanical disc brakes run at about a 5 times greater leverage ratio, or mechanical advantage. Adding that to your 5mm total pad gap on a rim brake still gives you a situation you can work with when setting up the brake. So, is Sheldon wrong? Why have I stopped listening to my favorite album? So we can't really model housing compression as a spring. My understanding is that brake specific compressionless housing is reinforced with Kevlar, not plastic, and it has certainly been rigorously tested to work as expected. Housing compression essentially adds an element of "spring" or slack to the system. They're stiff but I managed to wrap under the bar tape without too much difficulty. Hydraulic Brakes on RadWagon 4 - Electric Bike Forums I believe it is worth the money. All other things being equal, extra spring in the system means the lever has to travel further to apply the same amount of brakes. How to pick the brake cable housing size? On any rim brake that doesn't have egregious bends, the practical difference between compressionless and coil housing is marginal. Pro Compressionless Brake Housing | Jagwire This is important, because the mechanical advantage of long-pull brake levers is such that it would cause cable friction to deteriorate braking feel. Its quite a bit more expensive than regular cables, but thats fine if I get my moneys worth. How to find the definition domain of a function with parameters? This has been shown also with cars; we know that sometimes accidents happen even when the car is mechanically capable of stopping in time, but the driver didn't apply the brakes hard enough or soon enough. That means a car that is 3 feet wide and 2 feet high . I recently upgraded my brake cables with some Jagwire of the compressionless variety. The rear brake is housed through the full length (i.e no cable stops etc). We use cookies for quick energy and to ensure that we give you the best experience on our website. I dare say the good people at Jagwire tested their cable outers before advertising them as break cables. Thankfully, with only six weeks left before cyclocross season is underway, both types of riders are beginning to ramp up to the the season. When you buy a car, one of the first things you want to do is figure out what size it is. When people talk about braking "power" isn't actually power in an engineering sense, what's usually meant is force. In other words, say that 1200mm run compressed by 2mm. Finally, just like mechanical derailleur housing, you should never finish a cut on compressionless brake housing with a bench grinder or a Dremel. You could tighten the cable a bit to mitigate that, but it will then cause the brake pads to rub sooner. How to write equation where all equation are in only opening curly bracket and there is no closing curly bracket and with equation number. On my mountain bike with mechanical discs, I used to get finger cramps squeezing so hard for so long. Why aren't penguins kosher as sea-dwelling creatures? Reddit, Inc. 2023. There are two types of mechanical brakes: short pull and long pull. This can be confusing, especially if you are not new to cycling. Compressing the housing will "use up" a trivial amount of force, but would result in an increased distance you have to move the lever. I now have so much more modulation, I accidentally locked up the rear wheel the other day whilst seated and with a 10kg backpack on - I have also nearly gone over the bars when some drunk nutter fell into the road! Amazon.com: Customer reviews: Jagwire Brake Cable and sleeve Black Its stiffer and a little more difficult to route but no other non-segmented casing can produce the same directly connected feel. You have a great big lever throw producing a very small amount of movement. They all use a segmented design and can be used safely for both gears and brakes. The space that a car occupies in a garage is usually around 26 feet by 26 feet. Also, it's possible that different brands of housing might have a more precise winding and therefore have a slightly better compression trend. Mechanical discs can have problems with being difficult to set up in a way where the rider doesn't run out of lever travel, and since compressionless helps conserve lever movement by eliminating housing compression, it is good to use in this role and is often one of the main ways of helping out a bike that is having issues with the levers bottoming. Its all bonded together for incredible responsiveness. Is there any one brand that has a little more flexibility than another? jm2 is correct in saying the steel housing is reinforced with kevlar to prevent the longitudinal wires from buckling. The same thing that applies to the shifting point applies also to the braking point. Pro Compressionless brake housing eliminates flex from cable actuated braking systems, increasing power and improving lever feel. It deals with much less force than the brakes, so it can be made thinner than on brakes and save some weight. A woven Kevlar layer is added to give the housing the strength and flexibility necessary for braking applications. Report abuse axel. From the front-lever to the brake, there isn't obviously any further shortening possible, unless you don't want to hamper the correct functioning of the steering. It also means that if housing could be theoretically "pre-compressed" and maintained that way somehow, that it could improve braking performance and might be an alternative to linear housing. We also share information about your use of our site with our social media, advertising and analytics partners. There are also other compressionless housing systems, like Nokon. The effect of coil housing creating wasted lever movement becomes much more pronounced whenever there are tight bends in the housing path, which will cause the gaps between the coils to open up and need to be closed again by the braking force. Everyone who tries my brakes says "wow those are good - wait they're mechanical?!". It is noticeably better for the brakes (this is based on first-hand experience switching from Shimano Optislik brake cable housing to Jagwire Pro on r8000 Ultegra rim brakes) and honestly even the shifting feels lighter and smoother. . @ChrisH: yes, the brakes themselves dissipate power in slowing down the bike, however, that's not significantly relevant to what your hand is doing grabbing the lever. Are they necessary to stop the bike safely? Most importantly, the compressionless brake housing is smaller, allows for great cable and it is incredible. Compressionless brake housing is safe, more than reliable enough for bikes that are reasonably maintained, and not prone to failing suddenly when it does fail, but it is less age- and abuse-resistant than coil. The performance is very good and my brakes are far more responsive than with the old, traditional spiral-wound housing that was there before. Only a tiny bit of energy is utilized squeezing that lever. A forum for folks with questions about bicycle repair. 13 Ok folks, I'm confused and in need of advice. All rights reserved. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Braking takes very little actual energy from your hands, the key element is force. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. rev2023.6.5.43477. Jagwire/other compressionless housing : cycling - Reddit |, Yokozuna isnt a very well known brand but given the performance of its Reaction cable and housing set, it should be. Compressionless seems to be preferred by folks interested in higher levels of performance. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The system is also wholly reliant on the right special ferrules being used to keep wires from pulling through. Save for segmented solid aluminum housing such as Nokons, Reaction is the only truly compressionless option weve come across and its impossible to fathom how detrimental housing compression actually is until youve gotten rid of it. Both Jagwires Road Pro ($48.99) and Yokozunas Reaction ($70) might come with a surprising price tag, but as any dedicated cross mechanic will tell you, you will need to replace your cables and housing with each season anyway, and compressionless brake housing is the perfect choice for a comparatively inexpensive upgrade. It's a little stiffer and more responsive feeling, but the advantages of it are small and possibly outweighed by the increased fragility, installation hassle, and/or expense of compressionless. Compressionless brake housing is amazing If you don't know what it is, look it up and figure out where to buy some. So, shift cable housing is for bikes is more rigid than typical brake housing for bikes. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Curious as to why you must use compressionless housing for mechanical disc brakes. Compression-less brake cable housing and cable kit. Compare this to the old-time method of running the housing all the length of the top tube. Even with compressionless housing the best housing should still be kept the shortest possible. Or is compressionless brake designed specifically to allow use of longitudinal wires in brake cable housing? Black kits contain gloss black housing with silver logos. What is the proper way to prepare a cup of English tea? Its been a month of overhauling my daily ride, all thats left are the cables and some new bar tape. Definitely worth it, although you don't necessarily have to spend a fortune - there is a lifeline compressionless brake kit on wiggle which also works well, although it is hard to route and. Brakes have no such need, if you need more caliper movement just squeeze the lever a bit more. On my commuter (touring) bike, I just upgraded my BB5's to BB7's. In the process, decided/realized that I also need to replace my cables and housing (@mikes was right in his answer to a past question of mine ).
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