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. Been riding a RAD with mechanical brakes for 4 years now. In other words, say that 1200mm run compressed by 2mm. I then just used some high-quality wire cutters which just about did the job and I smoothed up the cuts with a file. an additional. You could tighten the cable a bit to mitigate that, but it will then cause the brake pads to rub sooner. Shifting did not put enough stress on the housing to split the plastic outer, but braking definitely could cause the housing to split leaving you with no brakes. Compressionless brake housing is amazing If you don't know what it is, look it up and figure out where to buy some. Do I need better "springs" on my disc brakes? Colour composition of Bromine during diffusion? But then you said the housing reduces it back down by a factor of about 5 again, just wondered what that was based on. Absolutely awesome a total no-brainer upgrade. Others have put aside enough for one or two serious upgrades, such as their first disc-brake compatible tubular wheel set, like the new models from Stans NoTubes, or are making the switch to a single chainring now that cassettes keep going wider. I believe Sheldon wrote this before there was brake specific compressionless housing available on the market. Compression-less brake cable housing and cable kit. It's been a month of overhauling my daily ride, all that's left are the cables and some new bar tape. Does a knockout punch always carry the risk of killing the receiver? The traditonal compression brake housing is on top, with a spiral cord. It probably gives some finer modulation but I reckon most of the improvements I experienced were just due to new cable vs 8-year-old ropey cable. Your brake housing is like a spring whereas derailleur housing is more akin to a bed of nails. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The bend in the brake housing, shown here, is gradual enough for compressionless housing. We've got a few openings we're looking to fill soon. You will pay a premium for the housing, but it is worth it. It deals with much less force than the brakes, so it can be made thinner than on brakes and save some weight. Both systems offer a more compressionless braking experience compared to the traditional housing, albeit at a price higher than a standard cable and housing set. 2-3mm per side is a pretty commonly seen number on rim brakes and 0.4mm is pretty common to see for discs. The system is also wholly reliant on the right special ferrules being used to keep wires from pulling through. 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. Join our team and make a difference in the sport. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. There are also other compressionless housing systems, like Nokon. Would using compressionless brake housing for derailleur be a problem? 1-48 of 127 results for "compressionless brake housing" Results Price and other details may vary based on product size and color. rev2023.6.5.43477. So it's best used on bikes with gradual cable routing, and won't work where tight bends are needed. At least for road I've always been told to use coil for brakes. In a static situation, and with the same force applied to the lever, in all likelihood the ultimate braking force will be the same between compressionless and regular housing. It almost looks like a miniature accordion that you could play if you were a member of a polka band for mice. We use cookies for quick energy and to ensure that we give you the best experience on our website. Basically, none of the effects of extra spring/slack in the braking system cause improvements, so it's better to get rid of it. Jagwire has developed their Road Pro kits, which include compressionless brake housing that is reinforced with Kevlar. Bicycle gear and brake cables; installation and maintenance. I thought the brakes on my 80's steel road bike were just shitty overall. An additional spiral metal wrap keeps it from blowing out under extreme load though, Though most brake housing features a plastic jacket on the outside, the one on Yokozunas Reaction compressionless housing is actually bonded to the metal substrate. With the advent of index shifting, which requires precise cable pull, manufacturers came out with compressionless casing for shifters. E.g. On the bottom is an example of noncompression housing you can find in most derailluer housings. Thanks for contributing an answer to Bicycles Stack Exchange! It especially took out a lot of the "squish" from the rear brake. You want the car to be able to fit into the space that you have in your garage. What I'm trying to say is that the change in length in the housing as it compresses is felt in the lever as taking up about 5 times the amount of movement as it would with a rim brake. Sun Tour Cyclone brake levers and brake cable housing. Probably. 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. . The benefit is that after you cut you can square it up cleanly. This compressionless housing really makes a difference. It costs more but the performance is 100% worth it. "Compressionless" is a marketing expression. Learn more about Stack Overflow the company, and our products. It vastly improves the brake feel on road cable disc brake calipers. Brake cable housings have a coiled metal spiral embedded in them, while compressionless shift cables have a series of tiny round wires running parallel along the length of housing. 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. (A cousin with much more tensile strength when spun into fibers, albeit). Pro Compressionless brake housing eliminates flex from cable actuated braking systems, increasing power and improving lever feel. Usually the tightest bends occur between the top tube cable-stop and the cable hanger over the rear brake caliper. Good manufacturers also divide the coiled steel housing class for different brake types: short-pull brakes and long-pull brakes. Nokon cables are very expensive but worth the price in demanding applications, especially where the cable must be flexed . So my rear brake (Avid BB5) is quite spongy and whilst I can slow down I feel there is more power to give. I have the BB7 discs like you on one bike and cantilever brakes on four others and compressionless housing (Jagwire Road Pro) on all of them. No other complete kit has impressed us with its signal clarity as much as the Yokozuna Reaction has. 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. I change mine to Jagwire compressionless housing in SID blue (It looks so good) and it has been great so far. Its quite a bit more expensive than regular cables, but thats fine if I get my moneys worth. cable housing with braided metal hard to cut? We also share information about your use of our site with our social media, advertising and analytics partners. The Fora platform includes forum software by XenForo. 1996-2023, Amazon.com, Inc. or its affiliates. Material: keb-sl - linear strand, kevlar reinforced, compressionlessbrake housing with slick-lube liner. Great advice, especially about the installation issues. Those benefits only increase with the amount of housing used too, and we consider the Reaction housing practically a mandatory requirement for anyone using cable-actuated disc brakes. Asking for help, clarification, or responding to other answers. Organic Green, KEB-SL - linear steel strands around a Slick-Lube liner wrapped in a Kevlar, Linear Strand, Kevlar-Reinforced, Lubricated. Does coiled housing have a linear response to being compressed, or once it's been compressed a certain amount does it effectively act as compressionless housing from then on, like a concertina of paper that you can't squash down any further? 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. Hadn't considered many of those (I had a hard enough time cutting my old stuff). What is compressionless brake housing? You have a great big lever throw producing a very small amount of movement. Another thing to note is that compressionless housing is not as flexible as spiral wound casing, so you need to account for that when you route it and cut it. Say for example you have a very long piece of continuous housing, 1200mm, which is a realistic scenario for a bike. This has a high quality cable and it is good for rear brake. It's not a big deal but it might be if I have to ride hands free. Connect and share knowledge within a single location that is structured and easy to search. Just as we mentioned in our first look at Hayess mechanical disc brake systems (which come equipped with the new Jagwire housing), compressionless brake housing is an incredible way to get the most out of mechanical disc brakes. Can the logo of TSR help identifying the production time of old Products? Compressing the housing will "use up" a trivial amount of force, but would result in an increased distance you have to move the lever. When brakes are less precise, there is a human tendancy to be more cautious with them. 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. Compressionless Brake Housing // Night and Day!! Otherwise the turning of handlebars would affect the gear you're using. Should brake lever move if you press the (V-brake) calipers together? Already have an account with us? I'm not aware of any measurements to quantify the compression curve of brake housing, but that would be interesting to see. This can be confusing, especially if you are not new to cycling. All other things being equal, extra spring in the system means the lever has to travel further to apply the same amount of brakes. So we can't really model housing compression as a spring. Compression less brake housing? Try Compressionless Brake Housing: Mechanical Monday, Reviewed: Chumbas Terlingua Quiver-Killer, Pro Bike Profile: Maghalie Rochettes 2022 Alter Ego S-Works Crux Cyclocross Bike, Gravel Bike on the Cheap: Resurrecting Gravel Bikes from the 60s, 70s and 80s. 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. $Manu$ has been manufacturing best products for many years. How to find the definition domain of a function with parameters? This is often most pronounced on long continuous rear brake housing runs, which most disc bikes have. Are all compressionless brake cable housings really stiff? What's the correct way to think about wood's integrity when driving screws? Now the reinforced spiral wound casing can be used for brakes. This could result in the lever running out of travel sooner, or moving into a range that is less efficient for your fingers. ''I don't understand why anyone would like to use constant-length ("compressionless") housing on any brake.'' 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