Their function is to effectively shorten or lengthen gear or brake cables relative to their housings. Bicycle Touring . This is because its the shifter that controls the alignment of the planetary gears in an Alfine hub. How can I align the hub when the bolt does not go far enough? If youre not mechanically adept, this may seem daunting, but you could always hire your local bike shop to use this method at least for the first two or three oil changes or until there is little to no evidence of metal particles. nexus shimano alfine cable gear speed adjustment shifter sg gir montering installation speeds operated sheldonbrown Align Alfine 11 when the bolt does not go far enough? The sporty, light weight version from the Venya-series. Grease the metal dust cap that was removed and refit to the hub. CyclingAbout is an Elite Cafemedia Lifestyle Publisher. And that is the whole procedure. Out of the two Alfine hubs, electronic shifters make the most sense on the 11-speed model, as the cable adjustment is especially sensitive. The Alfine 8 Di2 (or Nexus 5E Di2) hub will automatically change gears for you based on your speed, cadence and torque. Can I get a clock signal from a 4-pin crystal oscillator circuit by applying 5V to the input pin? Sporty, lightweight, and in a limited series. Shimano Alfine hubs are low maintenance, but they are not zero maintenance. For someone who rides a bit more seriously, the 11-speed version offers smaller and more predictable gear steps, along with a wider gear range. Was it accurate (history-wise) for Koenig to know about robots? In your case this is used to fine tune the cable length to achieve proper gear selection in the hub. A split frame is necessary for mounting a belt. This simply means that the biggest gear ratio is 3.06x times bigger than the smallest ratio on the Alfine 8, and its 4.09x bigger on the Alfine 11. Regarding gear shifting, its best practice to ease your pedal power momentarily when you change gears. KOGA is part of the Accell Group, an international stock-exchange listed conglomerate of leading cycle manufacturers. But if you ride flatter trips and keep on top of the shift cable maintenance, Alfine hubs work out great. If you're not familiar with bike mechanics I'd take it to a bike shop for the adjustment. Riding up steep hills with an Alfine either requires more power output or a lower pedalling cadence, both of which will tire you out faster. How does JWST position itself to see resolve exact target? rapidfire alfine shimano shifter speed shifters omafiets If you learn how to tune the Alfine gears and maintain your cables, you will likely have no problems with your hub. Keep an eye out for bikes with Shimano Nexus 8-speed hubs too, as these hubs are virtually identical to the Alfine 8-speed with the exception of the brake types available. When I ride, I feel the hub skipping around gear 6-7 and I guess that's the reason. s705 s505 manualzz With an ultra-low gear ratio (1.2:1), a 100kg/220lb rider can stand on the pedals and put 143Nm into an Alfine hub, which is more than the maximum input torque that Rohloff allows (130Nm) and thats a hub rated for tandem use. Ultimately, the Alfine hubs are optimised for urban use, which usually means getting around town on flatter terrain. The rear carrier of the KOGA F3 series is elegantly mounted by means of a hidden structure on the underside of the mudguard. Asking for help, clarification, or responding to other answers. KOGA adjustable stem gives a variety of seating postures. With a 1.2:1 gear ratio, a 50kg/110lb rider only puts 72Nm into the hub when standing on the pedals. Low climbing gears are important for bicycle touring as they allow you to ride up hills at a sustainable effort with all of your luggage. And its not by a little bit either; the first gear on the Alfine is about the same as my fifth gear on my Rohloff bike (27 to 30 gear inches). As I mentioned at the beginning, this procedure is best performed by a bike mechanic or someone with mechanical aptitude, but it is a very efficient method to ensure that your hub internals remain as clean as possible and should extend the life of the hub for many years of riding. The Alfine gear hubs both weigh around 1700 grams (3.75lb) while regular rear bike hubs are often under 500 grams (1.1lb). The Rohloff holds the advantage here as the gear indexing is inside the hub, rather than from the shifter. Then lift off the cassette joint (note that the red dots are aligned). Caveat If you decide on any other oil than the Shimano recommended oil, I bear no responsibility for the outcome, I can only attest to the fact that I have used the Royal Purple now for over four years and over 25,000 km Summer and Winter riding with no adverse effects to the operation of the hub. In comparison, the Alfine 8-speed rolls on thicker greases and oils. In the US, its probably ok too as long as youre happy to ship your wheel to a gear hub specialist. What does the Ariane 5 rocket use to turn? The fork provides additional comfort for wrists and shoulders without compromising the direct handling feel. The Latest Suspension Seatposts, Stems and Handlebars, The biggest reason for me is that they run significantly. Then drain and dry the all the parts and clean off any other of the removed components. Thanks for contributing an answer to Bicycles Stack Exchange! But Id be careful here, especially if youre a heavier and more powerful rider. di2 alfine bedienungsanleitung manualzz Is it legal to download and run pirated abandonware because I'm curious about the software? This lasts up to 3 times longer than a chain. shimano nabenschaltung nexus sg inter 7c21 di2 component alfine vergleich schaltwerk wikipedi umwerfer antrieb In addition, theyve been tested to be around 4% more efficient than the Alfine hubs across the gear range. This is a pretty fuss-free design, although, if its not grease-packed appropriately for wet environments water can and will work its way into the hub. Ive actually spent many years using and abusing Alfine hubs, including on a mountain bike that I built specifically for wet and muddy conditions. Remove the cassette joint by lining up the yellow dots on the cassette joint fixing ring (turn counter-clockwise) which will allow it to be lifted off. Electronic shifters are also nice on drop-bar bikes as you can easily pair them with Shimano hydraulic brakes for an ultra-low maintenance brake setup too. http://www.koga-signature.com/docs/Maintenance-Manual.pdf. Its worth noting that you cannot upgrade Alfine hubs from a mechanical shifter to an electronic shifter. The concave shape of the pedal encourages the pedalling with the ball of the foot rather than the instep. To understand this concept a bit better, lets set the lowest Alfine gears so that they have you spinning the cranks at 60RPM at 8.4kph. I especially like the drop bar electronic shifters. While there is no official torque rating for the Alfine hubs, the STEPS E6000 internal gear drivetrain comes with a 50Nm motor, so we can assume its about that. The 'bolt' that the user manual refers to us usually known as a 'barrel adjuster'. And you can hold the buttons and shift multiple gears at once. The Shimano method states to drain the old oil from the hub oil port via a bleed nipple, hose and syringe, basically suck the oil out! When we calculate the climbing gear that this yields in gear inches, its simply not low enough for most bike travel. Are Shimano Alfine Hubs Suitable For Touring & Bikepacking? Buyer's Guides . shimano nexus speed gear adjustment alfine cable cassette gir hub sg joint montering system sheldonbrown For this reason, KOGA has developed a unique form-fitting connection. The name Alfine is derived from the phrase Always Fine, but a quick search online reveals endless forums with examples of Alfine hubs that didnt do their job. Once youre satisfied that everything is clean it is best to pre-oil the gear cluster before reassembly. They also offer 14 gears across a 526% gear range, which is about the same as a modern mountain bike drivetrain (1X drivetrain with a 10-52T cassette). In fact, the around the world record was once set on a Shimano Alfine 8-speed hub! What is the gravitational force acting on a massless body? nexus shimano alfine gear cable speed adjustment sheldonbrown Shimano hub oil SG-S700 which is a mineral oil, is stupidly expensive so after some searching around to see what other riders are using, I decided on using Royal Purple Maxgear synthetic oil SAE 75W-90W. As a result, you get a significant reduction in drivetrain maintenance, and with fewer components exposed to the elements a reduction in running costs too. Internal gear hubs replace the derailleur gears on a bicycle, and you can actually remove your derailleur drivetrain from your bike and fit one up right now. The hub is not aligned. In the electronic shifting section, I discussed in detail why cable maintenance can prevent gear slipping, grinding, or internal components from breaking inside the hub and making a mess of things. This is because theyre cheaper, quieter and employ trigger or neat drop bar shifters. How to put image and link under PropertyPane Description field for the web part in SPFx? But when either of these components gets muddy or gritty, shifting is not as instantaneous as a Rohloff hub. So, whats the difference between the 8-speed and 11-speed Alfine hubs? Different vibrating tone on a belt drive with a Shimano Alfine hub, Shimano Alfine 8, properly adjusted, doesn't downshift from 5 to 4. (LogOut/ Eccentric crankshaft for easy tensioning of the belt. alfine shimano inter bikeshed proline secured Next remove the metal dust cap and the plastic chain guard which just pulls off. Both Shimano Alfine hubs achieve around 90% drive efficiency on average. Heres a table I made that shows the minimum gear ratios one could use without exceeding 100Nm of torque. By the way, the oil port is very small (5mm thread) and a bleed nipple would make it even smaller! Gear steps are the percentage difference in gear ratio when you change your gears. What are the advantages of internal gear hubs? Shimano Alfine hubs are excellent, and for many people out there, I think theyre actually a better option than a Rohloff hub. shimano s7001 manualzz The Shimano Alfine 8 averages 17% gear steps across its gear range. I discussed the issue of low gear ratios and Alfine hubs previously. Luxury KOGA Feathershock front fork suspension for extra comfort. Diff-in-diff parallel trends with a positive outcome. Electronic shifters make perfect shifts every time, ensuring you do not damage anything inside the hub from improper cable maintenance. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Servicing my Shimano Alfine 11 Internal GearedHub. Now diligently clean and degrease all the exposed areas to prevent dirt ingress into the hubs internals. For example, Ive known Shimano hubs ($199) to have worked well for around 90,000km (56,000mi). Well done Adam, you have always done a proper and efficient way of doing things, much appreciated by all. The shifting on Alfine hubs is incredibly fast when the shift cable and cassette joint are running perfectly. 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. How to prove that both people know the same dictionary word? The cable life of an alfine inner is much longer than for a brifter-style. Shimano released their first internal gear hub in 1957 and has slowly built on their multi-speed hub designs ever since. With an Alfine-equipped bike, you will enjoy just how easy, cheap and low maintenance an internal gear drivetrain is. nexus hub shimano internal mm speed nut wrench alpine carrying bike cog obligate commuter carry does That said, in poor weather conditions, its not unfeasible for the Alfine hubs to work out more efficient, as there are fewer places in the drivetrain for mud and debris to get caught. Please note that these issues do not apply to everybody in every situation. shimano motor nexus unit speed alfine Speaking of the STEPS internal gear drivetrains, theyre super cool! Glad to hear youre still riding. As a result, the cables are better protected from the weather. The first oil change is the most important one, and its after just 500km. For touring, another thing an internal gear hub needs to be is reliable. In fact, they can last upwards of 30,000km. Shimanos lowest recommended gear ratio on the Alfine hubs is 1.8:1 (11-speed) and 2:1 (8-speed). nexus motor cable shimano speed hub installation unit alfine mu s705 manualzz shifters shimano di2 After removing the wheel from the bike, remove the brake disc if so equipped. So I decided to remove the hub from the shell and clean it out properly before adding new oil. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. With bigger gear ranges, we can pedal our bikes across a broader range of speeds, which is especially handy for pedalling downhill or with a stiff tailwind. Im talking just a fraction of a second! Sporty, smooth-welded frame with integrated cable routing. Durable, low-maintenance Shimano Alfine 11-speed gear hub with a wide range. After that, its every two years or 5,000km. alfine How do I politely refuse/cut-off a person who needs me only when they want something? NOTE, this has a left-hand thread, so clockwise to loosen do not remove yet. And should you switch from your derailleur gear system to an internal gear hub? What is the rounding rule when the last digit is 5 in .NET 6? shimano gear ebike steps hub automatic shifting systems system internal ebikes sram pulse dd3 nuvinci The Alfine 8-speed hub is considered to be the most durable option of the two. I recently got a new bike (Cube Travel SLT, with belt and Alfine 11). In terms of gear hub manufacturers, Rohloff and Kinderney make very expensive hubs that in many circumstances can outperform derailleurs. The low cost of the Alfine products also translates into complete bikes that are very well priced. Any stretch/settling should be handled with the barrel adjuster. I'm here to help you travel the world by bike! Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. The above price includes VAT and excludes advised delivery costs of 12.50. Install the plastic chain guard, sprocket, snap ring and the plastic driver cap. Better yet, pair an Alfine hub with belt drive and enjoy a grease-free and long-lasting drivetrain for years to come. The best answers are voted up and rise to the top, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Concur - once the stop is clamped down on the inner cable in the correct place, it won't need to be moved ever again. The lightest Alfine bike Ive ever seen was just 7.6kg (16.7lb) its pictured above. alfine di2 centerlock zwart 36g s705 11v versnellingsnaaf getriebenabe moyeu disque shifter 11speed naaf 8s mozzo discoun Extra vertical space in shaded theorem if ended with displaymath or itemize. The Di2 hub design is different. Underneath that you will see a snap ring that can be pried off with a couple of small thin screwdrivers if you dont have the correct snap ring pliers. The latest S7001 11-speed hubs employ six new internal components that were re-designed to prevent damage, but these hubs do still leak some oil that periodically needs to be wiped off the hub. After selling my road bikes (no great need for speed anymore), I decided that I really needed a recreational bike that would require as little maintenance as possible. Moreover, the bike is easier to keep clean and has an improved sleek appearance. Make sure that is not too tight as the bearings and cone will be damaged in short order. Rider weight is critical for maintaining a low input torque. Well, the bolt does not go far enough. The gear steps are actually quite similar between the Rohloff and Alfine 11 for the most part (13.6%). KOGA's SoleMate pedal ensures that the ideal foot position is automatically adopted. shimano nexus speed alfine gir sg cable sheldonbrown Lift the gear cluster out of the soaking cup and let it drain off for a short while then install it into the shell. Shimano hydraulic disc brakes for stable brake performance in all weather conditions. Cycle Touring and Hiking on the Southern Gulf Islands of British Columbia COVID-19 Style! This is where a long-lasting and robust Rohloff drivetrain clearly wins out. The thing you might miss is the extra-wide gear range of the Rohloff (526%). Getting an Alfine hub fixed can waste a lot of time potentially ruining a trip. The gear range of the 8-speed hub is 306% and the 11-speed hub is 409%. To give you a sense of how this compares to a derailleur drivetrain, its a bit higher than a 112 mountain bike drivetrain (SRAM 10-52t, 15% gear steps). Just pour the oil into the cluster and let it sit for a short while. If you've learned a thing or two from me, consider supporting my independent resources, Bikepacking . Where possible, the welds of KOGA frames are perfectly levelled (smooth welding) so that a completely smooth surface is produced. It should be hand tight as it just has plastic threads, some rubber gloves or a rag help to get a good purchase on it. It only takes a minute to sign up.

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