Never tried it. Alex. I own a Batavus Lento fantastic Dutch bike however, adjusting the nexus brakes at the rear end are the easiest maintenance issue. If you are certain you have matching hub and cassette (Sh*mano are notorious for changing parts through continuous improvement/ lock-in, but do change part numbers in the process) and haven't attached the parts to the hub upside-down or back-to-front etc., then the critical things are that the gear selector splines on the hub do not rotate independently of the cam and cable outer cannot move relative to the fixed part of the axle. I'm a very happy camper with both the Alfine and the belt drive now! Have a question. New chain, skipping off small sprocket in front when under load, carbon gates belt drive . Ive been having some issues with my Nexus 8, and was able to get it almost perfectly adjusted once, following the above steps. Could the German government decide to free Russian citizen Vadim Krasikov from prison? Speaking to a local bike mechanic it probably has more to do with production tolerances of the mechanical parts. Pulling on the cable with the shift lever works against that spring to pull it into higher gears. Terms of Service -
Top marks to Madisons, toothere was a time when questions to Sh*mano were self-evidently directed to /dev/null. In which case, time for a new cable! Be mindful that despite their branding, these hubs are not meant for heavy loads; rather, it is their intention that, when stopped, the rider shifts to a low enough gear that they are spinning the bike up to speed, rather than mashing up to speed in a high gear (which is how the majority of novice cyclists destroy their knees and ruin their commutes). If you find that you frequently have to readjust the shifter cable your issue may be that the nut on the cable that attached to the hub is slipping. The manual will tell you for sure. At any rate, there are really only three likely possibilities: The first possibility is easy to rule out. The solution to this is to alter your riding style: shift yourself into a nice low gear when at a stop light or beginning an ascent. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. I also found the same problem as dduff617 for the Shimano nexus SG-C6001-8D where the grears could not turn past 6. Learn how your comment data is processed. Anyway, heres what you need to do to address this problem if you have a similar Shimano Nexus hub. Could be defective or improperly adjusted/assembled. This work is licensed under a Creative Commons Attribution 4.0 International License. Cyclocross and Gravelbiking (Recreational), Long Distance Competition/Ultracycling, Randonneuring and Endurance Cycling, Track Cycling: Velodrome Racing and Training Area, Classic Hybrid ? When I tried to downshift my Nexus I found the cable casing would pop out of the adjustment knurl and no shifting would happen. It was ok for a couple of rides and then started popping again. We have bikes with the Nexus 7 hub, with a lever-operated rear roller brake. My dealer thinks this is normal. Bought a KTM Cross 8 e-bike in April and havent done 100 miles yet and the gears started slipping occasionally.. (By contrast, my previous bike did require a fair amount of regular cleaning and maintenance of the transmission in particular, because it was exposed to the elements.). Can you get some other gears by holding the twist-grip shifter somewhere inbetween `clicks? There is a spring inside the hub that wants to put it into 1st gear. Its a year later and I just had the lbs check out my gear Nexus seven speed. It lies on the cable coming out of the gear shifter. (By comparison the cassette on my old Nexus hub locks down nice and tight with its fixing ring). Nor do I. Youll need a tool to spread the rear fork, (I used a claw hammer before I got one, lol). The parts appear to be all correct the kit was supplied by the wheel builders. If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance. im sitting pretty much at the end of the road in the pampa in After a month of banging my head against this it turned out to be not the oil or the grease or the bearings or the cable (all which I replaced). and the gears change perfectly with no slipping. Thats about it. Wiggling side-to-side does not effect the selection mechanism muchmy plastic lock ring once became completely detached for a year (including a ride to the South of France and back) without any noticeable detrimental effects! Only on steel bikes! This happening in gear (i.e. In the 8 speed I THINK it's 4th gear that should make them aligned. The prospect of requiring, say, the replacement of a rear inner tube on the side of the road in fading daylight, is out of the question. Easy fix! You also wouldn't want any friction between the metal parts by being too tight. Thanks very much again. Perhaps your bike shop didn't prime you for what the hub is actually capable of. Super great! It seems everyone's having the same problem! The other needs to be adjusted when the hub is set up. Dutch bike repairmen dont remove the whole rear wheel. First make sure everything is assembled as it should be (adjuster barrel not completely detached from the shifter, no kinks in cable, end of cable attached to hub and wrapped around cam correctly, etc.). > Rotating the knurl will allow you to line up the yellow markings. YEHHHH. 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. You can sometimes see the bike flexing down at the bottom bracket when mashing up a hill, especially on older bikes with thin tubing like Reynolds 531. Essentially the fixing ring is not a reassuring tightness when it is put in position and rotated. Thank you so much for writing this up. worked immediately and simple. Or is the problem that no matter how the dots are aligned, the shifting is poor? Announcing the Stacks Editor Beta release! The second time Cube replaced the whole hub. Regards, Chris Davies. Thanks again. It has hub brakes and if there is any operation involving removing the rear wheel, for instance replacing the tire, getting the wheel off by undoing brake and gear cables etc is nightmarish, and gets worse when they all have to be put together again. I have a Cube Hyde Race and it started slipping about a month (maybe 2) after purchase and about 500-600 miles covered. Ive just got round to needing to adjust the gears and Id noticed the yellow markings. For apparel, gloves, and helmets: the item must be in restock-able condition, meaning that all tags and/or stickers are still on the product. Now it definitely has seven gears. On my 15 year old 7-speed, both sets of marks are always in fourth gearbut its not beyond the bounds of possibility that newer models have moved the alignment marks or that the number displayed by the shifter is out-by-one. Help! Archive -
If yes, demonstrate it in front of the dealer. Just remove the nut from the axle on the side where the chain is not, then undo the clamps for the brake lever, spread the fork and wriggle out the old tyre and in with the new. Use of this site indicates your consent to the Terms of Use. After the cable is unattached, use the allen wrench in the hole to move against the spring back and forth through the full range of motion. Possibly, it was defective from the start, or maybe riding with the lock ring loose caused some internal damage. Temple Cycles - Classic Stylish Steel bikes UK, Gearhubs demystified and other cool stuff, file:///C:/Users/Production/Downloads/DM-SG0004-00-ENG.pdf, https://www.koga-signature.com/docs/mnce-manual.pdf, Sturmey Archer X-RF8 (w) IGH shift from gear 1 to 2 not engaging. It also does skip when misaligned as mentioned in the other answer and yes it's tricky to get right and tends to misalign over time. https://www.sjscycles.co.uk/tools/shimano-alfine-tls700b-inner-cable-fixing-bolt-setting-tool-y72a06000/. it should include the adjustments to synchronize the shifter and the Shiftee, the hub. The yellow dots are only there for installation. Also a cable outer full of gunge can prevent a linear extension/ retraction of inner for each click of the shifter in the relevant direction. How tall/heavy/strong are you ? Disclaimer: I have no experience of Alfine, only Nexus so cannot directly answer your questions. Is "wait" an exclamation in this context? Why the man in the shop couldnt have pointed this out I dont know, and the paper work that came with the bike was as much use as a chocolate fire guard. Never go to an LBS who isnt uses to speed hubs. One can be adjusted using the gear barrel adjuster. After unattaching the cable from the hub, I realized the hub was not pulling on the cable the way it should. Wonderful! To learn more, see our tips on writing great answers. What would realistically happen after a gravity magic spell is cast? Excellent. By logging into your account, you agree to our. The bright yellow or red paint which is used to highlight those might not be precisely centred over them. The markings on the bottom are easier to see than the window at the top, but require a work stand or flipping the bike upside down. Since then. Do NOT force-turn it (like some idiot did it on my bike, with a wrench, and ruined the shifter). Sheldon Brown's extremely helpful web site indicates how you can achieve this. I was able to fix my gears in a snap! Submitting revised manuscript long before due date. What is "Rosencrantz and Guildenstern" in _The Marvelous Mrs. Maisel_ season 3 episode 5? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. That sounds like the chain slipping over the rear sprocket oh wait you have a belt drive. Thanks. Welcome to SE - I'd normally suggest new users read the, Thanks for your help. This will expose the chain, and (for our purposes) the relevant part of the rear hub. If its got closer, keep rotating in that direction; if not, you need to rotate it the other way. It isnt on mine. I too, consider myself reasonably adept at things menchanical. Any returned item that is damaged or is missing parts for reasons other than our error may receive a partial refund, which we will inform you about upon receipt of the return. No, skipping under load is absolutely not normal. Thanks for info I actually sent a video of the issue to Madisons (Shimano UK) and they told me that what they saw was ok so I had the confidence to complete the rebuild (included all new brake levers and cabling too). I thought I had to align it using the nuts close to the hub but this put me right. Tim, thanks for the info. I have previously owned a BMC with 8 speed Alfine with carbon belt and it was fine for the 3 years and 14,000 miles I rode on it so knew the Alfine system quite well. I also used the same mixture of water dispersant and light lubrication to make the cable slide easy. I am frequently wrong. I thought Id impart a little bit of advice on an aspect of bike maintenance that was slightly foreign to me, and hopefully that I can explain with the aid of pictures. Also there are very specific requirements about positioning of the nut on the cable. Have you contacted Temple Cycles? The first thing to do is to set your gear adjuster in number 4 it is marked with a small dot on the display, for clarity (mine is an eight speed, with a coaster brake but the same principle applies for other Shimano hub gears; select the marked gear). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. However, since then, I have taken the wheel off (unrelated to hub adjustment) and also had the bearings replaced at a shop. Wow, thats very easy adjustment! AFAICT, the TL-S700-B can be used for both the Nexus and Alfine (8 or 11 speeds). In my case, the problem re-occurred a couple weeks later. Thanks. Don't think the people in the bike shop ever regreased it either. I have sent it back twice, and still no good. While I love everything about the belt, the Alfine hub gives me grief: under high(er) torque - think fast acceleration from a stop at a light - it skips/slips for about half a rotation and makes a lound cracking/crunching/slipping noise. Even the repair shop had difficulties adjusting that, and had to order a special tool for it. Now I know what I need to do! Thank you! Mine has a simple detachable rear section, that pulls off smoothly. Meaning of 'glass that's with canary lined'? need to have lower gears to get up steeper hills. Is it legal to download and run pirated abandonware because I'm curious about the software? Thanks for the tip (and saving me a trip to the bike shop)! I think with all the reports out there I stand a good chance in the small claims court. The problem has nothing to do with yellow marker alignment or belt tension, otherwise cube would not have replaced the hub and internals twice! In my case, something was binding around 4th gear, and the mechanism would actually get stuck there. Ive been running a 2nd hand nexus 7 with an electric motor (mid mount). Sorry to go off subject here, but where is that church? Gradually increase your gearing until you hit your desired speed. I bought a nice belt-drive bike with an Alfine 8 hub. As its working properly, Ill just leave well-enough alone. That said, it's still easier than replacing entire chain sets. Perhaps you're simply trying to put too much torque into the hub. I can clarify this if you think it may be the problem). The new back wheel is behaving better but it still slips/skips under load. Thanks so much for putting this article out there. can you even fit them both switched over? (videos). All rights reserved. As an aside the knurled adjustment has a click every quarter turn to make it even easier. If you are thinking of returning a product to ElliptiGO for any reason, please keep the box and all original packing materials for the return shipment. The colored washers are definitely in the correct position (that's the one thing I made sure to document before disassembling the rear wheel). Just contact us at [emailprotected]to arrange the return, and we will send you more details. I think Ill repair my bike myself again. The first time Tredz sent it back to Cube they replaced the hub internals. Nothing too serious just that they wouldnt engage in the gear I wanted, or would jump from one to another. You have to squeeze it in while riding or you may be stuck in between gears, preventing you from pedalling. Then fasten everything again. Next, you need to remove the chain case. I can see the problem in your photo. But Ive since oiled by chain with standard lube (just because I dont have any grease!). If, after every episode of skipping, you check the cable and the indicator markings are lining up perfectly, then you have successfully ruled out the cable as being misaligned, which is the most common problem with these hubs. sounds like it's not setup correctly. If you make your purchase directly from ElliptiGO, you can return an item for any reason within 30 days of purchase for a full refund, less return shipping charges, if any (expedited outbound shipping charges will not be refunded). Why would space traders pick up and offload their goods from an orbiting platform rather than direct to the planet? The Alfine one works ok. Great article for hub newbies. Are you a heavy rider who likes to stay in a high gear? There are two sets of yellow markers that need to be aligned. thanx a lot for that precise description. I sent it straight back. . Im definitely switching to hub gears for my next bike, derailleur gears are so faffy. If not, then I hope it is of some use, if you have a gear set-up similar to mine. (LogOut/ Logic suggests not. Or brought it by the shop where you purchased the bike? ElliptiGO and the ElliptiGO logo are registered trademarks of ElliptiGO Inc. My bike came from the factory in the incorrect configuration. Alfine owner here whose hub is slipping after having changed gear. Tightening this into proper position fixed the problem. The updated manual is https://si.shimano.com/pdfs/dm/DM-CASG001-02-ENG.pdf page 27 diagram 4. Are you saying that when you adjust the barrel, the dots do not move? oh yea, I think this guy might have put on the dropout washers on wrong. Your guide was the best Id find for a novice to internal hubs like myself. Familiarize yourself with the indicator markings on the hub cassette joint - the part of the hub that swivels around to change gears. And how simple to adjust. Its St Marys, the parish church of Horsham. https://backwardincompatible.com/post/186916671580/shimano-alfine-sg-s7000-8-loose-spring-on-the, credit to Andrew Kashutin for identifying it. Perhaps you're shifting under load (do you stop pedaling immediately before shifting, then resume your cadence only after you've shifted and confirmed the shift by feel?) Then I squirted a mixture of WD40 and spray cooking oil (olive oil) into the space behind the belt drive gear. Can Shimano fix this? Hello, i believe that i noticed you visited my web site thus i got here to return the favor?.I am trying to to find issues to improve my site!I assume its ok to make use of some of your ideas!! Asking for help, clarification, or responding to other answers. The Official Bike Forums Cafe Press Store, Adaptive Cycling: Handcycles, Amputee Adaptation, Visual Impairment, and Other Needs. Also it can freeze in the winter (still works, but need to change gears by hand on the lever on the hub) and this could also cause skipping because it would stick between gears. There is a simple finger turnable lock ring that holds the cable cassette on the hub. The Rohloff one works. The third one is fine so far (~15000km on it). To put this into perspective, Ive had my Workcycles Omafiets for about nine months now, and cycled with it in some pretty awful weather. adem, I am currently rebuilding a 10yr old Specialised Globe Comp with new wheels and an Alfine 8 rear hub (original one was Nexus 8) encountered something I am uncertain about and has put the brakes on the whole rebuild until I can get a convincing answer. Recently it stopped going above gear 4. Basically the Cube Hyde Race I purchased is supplied with a crap rear sprocket. Over 12 months the rear hub got slower and slower to change gears. Many thanks. You will also need to tension the belt to the appropriate tension as mentioned in my comment and here: https://www.montaguebikes.com/folding-bikes-blog/2016/03/adjusting-belt-tension-with-eccentric-bb/. To do this you put an allen wrench into a little hole, which allows you to push against the spring, removing tension on the cable. A simple matter of replacing a rear tyre at home, turned into a retreat from Moscow; this being exacerbated by my inadvertantly breaking the casette joint fixing ring. Like the user Prawsk, I have a Batavus Lento Weekend, great bike but I definitely dont like the gear hub (Nexus 7), it gives me trouble. The problem results from the gear cable stretching with use, meaning that it is no longer pulling the parts of the hub gear into the proper position for smooth gear changes. Ive been adjusting by aligning the painted yellow dots rather than those in the window, but cant seem to get it quite right. On my Nexus the two markers are perfectly aligned, but its in fifth gear, not fourth gear, and the second line doesnt even appear in the box when its in fourth gear. The other thing that can go wrong is the position of the nut on the inner cable beyond the outer. rev2022.8.1.42699. Frames, especially steel frames, can have considerable flex in them. Love this bike. Just adjusted the gears on my brand-new Gazelle Cabby, thanks! Could one house of Congress completely shut down the other house by passing large amounts of frivolous bills? Theres no difficulty in shifting however, shifts are smooth. However, a loose belt may correlate to skipping/grinding issues because if your wheel has slipped forward in the dropouts (or, as the case may be, your dropouts have shifted forward in the frame), that could affect the tension on the cable (it depends on how the housing is routed; if the housing stops at the cassette joint like it should, it won't have any affect; if, on the other hand, the housing stops at a frame braze-on then your wheel must be exactly in the position that lines up the indicator markings in the appropriate gear. Nowadays its easy again. There are two yellow marks on the underside of the hub that must align perfectly in 4th gear (for 7 and 8 speed Shimano IGHs). easy walking distance from home or a bike shop. Finally, the gear cable must be well greased as any stickiness will cause the gears not to drop in properly and skip/crunch etc. You can download the specific instruction sheet for yours from the Sh!m*no web site. I had the classic 8-speed backpedal clutch-slip blues, but instead of taking it apart, I took the wheel off the frame. it's easier to have a shop look at it for you. (Hope that it will work longer than it did for you. I forgot to switch my gear to 4 and took the wheel apart from the bike, now I dont know how to put it back:( The coloured indexing washers generally only fit one way. Change), You are commenting using your Twitter account. Thank you, problem solved! Would a spear ever out perform a bow when wielded by an insanely powerful person? Extra vertical space in shaded theorem if ended with displaymath or itemize. You can check the tension in the belt using this Gates app for your phone: I never greased the gear cable on my hub, that was never a problem for me. Looking closely at the area of the fixing ring I see that it is supposed to gain its tightness through its own plastic teeth/contours on the outer edge of the ring engaging with some contours engineered on the bottom edge of the outer steel nut of the hub assembly maybe this nut has been installed a fraction of a mm too far away from the axle centre resulting in the gap that the fixing ring teeth squeeze under being too wide? My chain was greased too I didnt need to clean it for well over a year, because its well protected inside the chain case. Why would the second dot in the window be missing, and how can I get it back? On the 7-speed, it is the grooves machined into the surface of the metal cassette joint components which need to be aligned. Ever since he did it even more, the problem has vanished entirely for me. The new one has been trouble free for almost 3 years now. Discovered after about a further 6 weeks of testing the Cube that the rear sprocket was the fault and cause of the slipping. I adjusted the cable then checked to see if I was turning the adjustment screw the right way and as luck would have it, the markers were spot on. Just squeeze in at the top to release . We guarantee that you will love your ElliptiGO products and accessories. Getting paid by mistake after leaving a company? Get rid of the ineffective rear tyre that comes with the bike and replace it with either a Schawalbe or Continental which are less prone to punctures etc. My local bike shop took two days to service the bike, and the problem of slipping gears reappeared after a couple of days. Just wanted to say thanks very much for taking the time to put these notes and photos up. The Rohloff is really much better if you can afford it. Does the title of a master program makes a difference for a later PhD? I used to do this myself from age 13, until I got a transport Batavus with an incredibly difficult Shimano 7-gear hub. Any thoughts? Did my "new" 2015 Novara Tupelo 29er come with a bent axle? Cascades and yet again cascades, of semen. Thanks for contributing an answer to Bicycles Stack Exchange! I have experienced exactly the same problem ie popping/skipping under load. So based on my experience: Have it replaced a second time. Sue enough, it had been misadjusted from the factory and was missing one gear. Alternative word or phrase to "result" in computer jargon. Im already planning to convert it to chainring gears and some dropbars. The second possibility requires no explanation. My problem is solved now and it was solved after I instructed my mechanic to tighten the belt more (the Gates app showed me it was at the lower end of the spec). And, well, this isn't really part of the answer: But ever since I got a second bike with a Rohloff hub I would never get an Alfine one anymore. A little more fiddly but more precise. Then check out the brilliant master-class comments from Andrea and Tim above. It must be sufficiently tightened so it does not slip. My tip? I never experienced that on any bike and not on my old Nexus 8 either. (LogOut/ Thank you. Keep taking it back to the dealer until he fixes it. It is best to do the adjustment with the cable released in first gear; then shift back to fourth to check. My advice is if you have a Cube Hyde Race and your rear sprocket is black and plastic looking you should check the teeth and see if they are worn, like mine were, and if so replace it with a better quality rear sprocket. History of italicising variables and mathematical formatting in general, Repeat Hello World according to another string's length. I also needed to replace my carbon chain which was unusable with the teeth in tatters having been torn apart by the worn teeth on the rear sprocket. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. Now my Marin cycles cross trainer is running like new. This video shows how to adjust the Shimano Alfine hub on the ElliptiGO 8-speed elliptical bicycle. I have just adjusted the cable to align the markers ( which I hadnt noticed before !) Im a dummy. I think you must be the bike equivalent of the plain English,campaign. I used these guys (https://hollandbikeshop.com/) as could not get parts from UK, a bit pricey and annoyed as hell but sorted everything out. I butchered the old rear sprocket off my BMC and replaced the nearly new but badly worn one on the Cube and it has been fine since (a further 800 miles so far).