Then fully tighten the mounting bolt. If the chain looks and sounds right then it's usually following the correct path on the rear derailleur. Check the tires and spin it to make sure it is not touching the chain or the frame! Use a pair of latex gloves, if available, or use a twig or leaf if you can. But I got it as best as I can. Thanks for watching! A Complete Guide To Tighten A Bike Chain With A Derailleur. If you have checked for chain wear, cable and housing wear and ensured your derailleur hanger is properly aligned, then your next step is to adjust the derailleur. Finish Line Dry Bicycle Chain Lube with Teflon; Cable Cutter – … Before you tighten the bracket spindle, make sure that the B-tension screw is not scraping your derailleur hanger. What are the advantages of short vs. medium or long cage derailleurs? Here’s a quick guide to keeping your digits safe. If your bike has a rear derailleur, loosen the chain of it. Hello Performance Bicycle, very nice and informative video! Rotate the tire to make sure it travels appropriately and does not contact the chain. If you split the chain… Wrapping the chain around each and not threading through the rear derailleur, take this measurement and add two links. Wrap the chain to each end without going through the derailleur. Put the chain through the derailleur; take a look at a couple of photos to double check it's OK. Place the chain back into the chain tool but this time around push the pin all the way back in. Focusing on the smallest sprocket and chainring, thread the new chain through the front derailleur and turn the cranks, leaving a few inches of chain hanging loose. If you're uncertain about this, look carefully at the old chain's route before you take it off, take pictures or make a sketch. 3. Mount New Derailleur. Thread the chain into the derailleur … The bike is only 3 months old so I phoned the manufacturer (Planet X) and spoke to one of their mechanics. Having your chain come off mid-ride is a bit of a nuisance, and getting it back on, for the fingers, Knowledge is power, a wise old cyclist once said. Step 1: Loosen bolts on rear axle Step 2: Pull back wheel until chain becomes taught. If you take a closer look at a moving derailleur, you will notice the limit screws in action to stop it at both ends right at the end of the travel. Repeat the same process described above to set the low limit screw. ... Thread the chain inside the derailleur cage in between the tension and guide pulley. Thread the chain counterclockwise around the tension pulley, again making sure to keep it inside the derailleur cage. While pedaling the bike in a bike stand, push the derailleur in toward to the larger gears to shift the derailleur manually. Step 3: Preventing the Problem. Bike chains are very greasy and your hands will get messy. On the front derailleur, adjust the L screw until the inner side of the cage that encircles the chain is as close as possible to the chain without scraping against it. We want as much loose chain as possible so that our fingers aren’t nibbled. The rear derailleur on your mountain bike has two limit screws that prevent it from moving in or out. Derailleur screw should be tight enough. 4. Lift the chain and put it back on the chain ring. Bicycle maintenance books: Seven of the best Index A Bike's Rear Derailleur. Rotate the tire to make sure it travels appropriately and does not contact the chain. The rear derailleur on your mountain bike has two limit screws that prevent it from moving in or out. Put your new chain into the largest cog and biggest chain ring. Derailleur: How to Tension a Bicycle Chain? Next, shift to the smallest cogs. Step by step road bike maintenance guides with pictures to help you get back on the road. Now, you have to find the derailleur screw which is located on the back of your multi-gear bike. For this job you’ll need a repair stand and a hanger alignment gauge like this one called the DAG-2.2 from Park Tool. One skill every cyclist should have, besides changing a flat tire, is how to fix a slipped or dropped chain. One skill every cyclist should have, besides changing a flat tire, is how to fix a slipped or dropped chain. Go for the upside-down position for your bike. If your derailleur is … Derailleurs are the small machines on your front and back gears that physically move the chain from gear to gear. This step may take several attempts, but it will work eventually. Next, loop it over the rear cassette and round the upper jockey wheel, before carefully threading it through the cage and around the lower wheel. Altus is a bicycle component group manufactured by Shimano. For a few people, the bike is a life saver for getting the chance to work or school in the event that they can’t bear (or would prefer not) to be subject to an engine vehicle or open transportation. ADVERTISEMENT. Now, the wheel should fall out or drop out if you shake the bike. I have a chain guide on my bike only now that the chain is off, I can’t seem to lift the chain … Bike Maintenence: Put a Bike Chain Back on After It Falls Off and Prevent It From Happening Again! Make sure that when released while continuously pedaling, the chain drops back in to the highest gear with ease. Step 4: Tighten bolts on rear axle. Shift down to the smallest sprocket and chainring. Run the chain up behind the bottom jockey wheel of the rear derailleur. Step 6: Test the chain and also tires. Step 4 Now, making sure that the previously mentioned steps are followed properly, you have to ensure that the chain is set in a proper way and it’s not loose on any side. Pass the chain through the front derailleur cage and engage it on the small cog at the front. I disconnected the cable, took the derailleur off the bike, and spent the best part of 2 hours giving it the clean of its life (that was a bit OCD though, 30mins - 1 hour probably would have done ), spraying GT85 into all the pivots and working the derailleur back and forwards so that it flushed all the muck out. Well Cycling Weekly's resident mechanic Kaye Patton gives us five easy steps to get you back on your way. First of all — while you’re still moving — if your chain has come off the smaller chainring at the front, use your gear lever to move the front derailleur to the big ring position. Once your gear cable is connected, shift your derailleur to the largest sprocket. The inner plate of the front derailleur cage should nearly but not quite touch the chain; we’re talking about a gap of 1-2mm. Here, we will tell you how to tighten a bicycle chain with a derailleur. This site is protected by reCAPTCHA and the Google, How to adjust your front and rear derailleurs, Five best bike cleaning kits for a sparkling finish, How to fix a puncture and mend an inner tube, Bicycle maintenance books: Seven of the best. Visit Website. Add a comment . So when it comes to swotting up on first class fettling For a few people, the bike is a life saver for getting the chance to work or school in the event that they can’t bear (or would prefer not) to be subject to an engine vehicle or open transportation. The quick link is a visually different link of the chain with a slot. Then tie the derailleur up onto the frame to keep it out of the way. Before installing the new derailleur, make sure the current derailleur hanger is … If the rear derailleur has a cable connected select the … Route the chain around the back of the cassette and guide the chain around the front side of the upper sprocket (jockey wheel) and behind the tab on the derailleur guide plate. If the hanger is too bent for repair, replace it. It acts like it's grabbing on a gear or something then releasing and the derailleur springs back. When it is acceptable to put it back on, it should not touch the bike frame or chain. A bicycle chain usually drops off a gear or chainring because the teeth have become worn and narrow, the chain has stretched or it has a bad link. If one end of the chain has a pin sticking out, thread the other end through the system. Set The Gear on the front and rear derailleur. Pass the chain around the rear of the lower sprocket (idler wheel) and pass through derailleur frame. Now attach the idler pulley. Quick question, my chain keeps falling off from the front sprocket. If the chain is coming off the inside of the cassette, put the chain onto the smaller chainring (at the front) and the largest sprocket (at the rear). Check out this video to learn how to fit a rear mech to you Mountain Bike! Pass the chain up around the front of the top jockey wheel on the rear derailleur. Most bikes have both a front derailleur and a rear derailleur controlling the position of the chain on the front chain rings and rear cogs or sprockets. This tool will also enable you to attempt to bend the derailleur back to its proper position. Put the other end of the chain towards the bottom end of the front cog and hold it firmly Put the rear wheel on its position back. MadeGood Copyright Notice - MadeGood Privacy Policy - MadeGood Usage Terms & Conditions - MadeGood Website Disclaimer - Sitemap - Contact, View this page in: German - Japanese - French - Spanish - - -. Reach down with your free hand and pull back the derailleur with your hand to get it, and the chain, out of the way. Push the rear derailleur forward with your left hand, giving the chain some slack. In order to make absolutely sure the chain is long enough, it should be put around the biggest chainring in the front, the biggest sprocket at the rear and then add one more inch, or one link because of the derailleur. If your chain is still on the bike, undo the bottom jockey wheel and thread the chain over the top pulley. Thread the 5mm rear derailleur bolt into your derailleur hanger on your frame. 4. Note what gear the bike is in. All mountain bike rear derailleurs are installed initially the same way. A bicycle chain usually drops off a gear or chainring because the teeth have become worn and narrow, the chain has stretched or it has a bad link. An option is to first remove the rear wheel from your bike. Thread the chain in front of the tab. Move the chain in the desired direction to test it. In this way, the tire along with the derailleur will be in your reach. The chain doesn't appear to be rubbing on anything it … Put the chain on the small chainring and the largest sprocket at the back. If you feel the back of the derailleur here and it shifts back and forth really easily, usually it means the rivets are worn out. 7. Step 4 Now, making sure that the previously mentioned steps are followed properly, you have to ensure that the chain is set in a proper way and it’s not loose on any side. To get the bike ready again, you have to know how to put a bicycle chain back on. I then realised the problem was my rear derailleur (Shimano Ultegra 6700) which does not seem to be properly moving back to keep the chain taut when I shift into higher gears. With the gear cable disconnected, gently pedal forwards until the chain drops onto the smallest sprocket. First, remove the chain and then remove the tension cable. Then add two links and cut the remaining links with a chain cutter. An indexed system, where the shifters click between gear positions needs to be tuned or indexed. Step 1: Mount the rear derailleur to the derailleur hanger on your bike. You can easily work with them. If the gap is larger than that, turn the L screw clockwise to move the inner plate of the front derailleur cage closer to the chain. The device that moves your bike’s chain from gear to gear letting you traverse hills with ease. In order to make absolutely sure the chain is long enough, it should be put around the biggest chainring in the front, the biggest sprocket at the rear and then add one more inch, or one link because of the derailleur. Struggled to get your chain back on after it has fallen off? I have checked and there are no frozen links in the chain. Initial set up With this job, you are going to require a 5mm hex key for your derailleur's mounting bolt along with a 2.5mm or 3mm hex key to your jockey wheels if you won't be eliminating the string to replace or replace it. When measuring, the chain is not put through the rear derailleur, the derailleur is moved so it doesn’t get in the way. Move the chain in the desired direction to test it. If you're removing the string, you… Initial set up With this job, you are going to require a 5mm hex key for your derailleur's mounting bolt along with a 2.5mm or 3mm h 1. Pass the chain up around the back of the smallest cog on the back wheel. Let go of the rear derailleur and the chain should be reseated. Do not pass the chain through your rear derailleur yet. Then re-install the lower jockey wheel. Thread the mounting bolt into the hanger. Push the rear derailleur forward with your left hand, giving the chain some slack. If this happens, you could be looking at even more problems: like broken spokes or a broken derailleur. the process of indexing is getting the hand control and the derailleur mechanism in tune with each other. We want as much loose chain as possible so that our fingers aren’t nibbled. Now, without moving the derailleur keep pedaling slowly and give it a few turns which would get the chain back to its place. Use a 5 mm Allen key to tighten the bracket spindle bolt, do not over tighten the bolt, just tighten enough for the derailleur to stay on. One skill every cyclist should have, besides changing a flat tire, is how to fix a slipped or dropped chain. Connect the chain coming down the front of the small cog at the front to the ‘C’ hook in the other end of the chain. The chain is now ready to be connected. 11 things you need to maintain your bike When compared to bike shop labor charges, it will pay for itself after 3-4 uses. When you shift, the derailleurs move your chain allowing you to change gears. 5. Chain should not contact itself. Route the chain through the derailleur. I adjusted my cheap $100 Walmart bike for college. Bent Derailleur Hanger; A bent derailleur hanger is an extremely common problem which can cause shifting issues and even cause your chain to shift into the spokes. The first step is to shift the rear derailleur onto the smallest sprocket and then remove the rear derailleur by turning the mounting bolt all the way counter-clockwise. If you take a closer look at a moving derailleur, you will notice the limit screws in action to stop it at both ends right at the end of the travel. Find the cross-head screw towards the back of the derailleur marked H. Now, the wheel should fall out or drop out if you shake the bike. If you’re lucky you, might be able to pedal the chain back on. Then turn the L screw clockwise until you see the rear derailleur cage (the section that hangs down) start to move away from the centre of the bike. If you took the idler pulley off, put it above the chain, then bring the chain down and back into the cage of the derailleur. It's like new again, and the problem with the slipping chain went away immediately. Bring the two ends of the chain together and pull them tight. To replace a derailleur is pretty simple. If the rear derailleur has a cable connected select the highest gear. Then, thread the chain through your new derailleur and screw the new derailleur onto the frame. How to adjust the rear derailleur will be the topic covered. The arm of the derailleur with the jockey wheels hangs downward. Everything from how to clean a bike chain without removing it to front derailleur adjustment. Engage the chain on the smallest cog on the back wheel and pull it through. For having a rear derailleur, normally slacken the chain and thread it round the front sprocket. Hunter-W7NUK on July 9, 2020 at 12:28 am. All multigear mountain bikes are equipped with a high-tech component known as the rear derailleur. Locate the Chain's Quick Link. It is important to make sure your rear wheel is true and properly mounted in the frame dropo… This is where you will be cutting your chain to length with a chain tool. Lift the chain and put it back on the chain ring. I'm not exactly sure how to describe it. I've put my bike through a lot of **** today so I don't know if the type off stress I put on it can tell you anything. What should I do to prevent this from happening? Continue holding the end of the chain that is now threaded through the rear derailleur. There is no need to remove the shift cable or chain. Using your right hand, lift the top of the chain so it sits on the small chainring. Tighten the 5mm bolt to 8 – 10 Nm (70 – 85 in.lbs). Keeping one hand on the chain to guide it, slowly start pedaling the bike. It will pick up dirt. How to put your chain back on Route the chain through the derailleur. If your old chain is sized correctly, you can use it to size your new chain. There may be a metal tab between the plates of the cage that holds the two jockey wheels, make sure the chain passes this without rubbing on it. Don’t let the chain drag on the floor. Add Tip Ask Question Comment Download. You’ll also need a 5mm hex keyfor the derailleur mounting bolt, and a string or small strap to hold the derailleur out of the way while you align the hanger. Another way is to run the chain through the front derailleur and drape the chain over the big chainring in front and the big cog in back. For most bikes, the rear derailleur has spring load so that it keeps the chain tight at the time of riding.Press the arms of the rear derailleur and take the merits of the fact. Then, thread the chain over the tension pulley. Derailleur hangers are made of soft metal and can bend easily. Front and rear derailleurs are part of the Altus group. Reach down with your free hand and pull back the derailleur with your hand to get it, and the chain, out of the way. When measuring, the chain is not put through the rear derailleur, the derailleur is moved so it doesn’t get in the way. Finally, re-attach the tension cable and adjust it using the steps shown above. Now, without moving the derailleur keep pedaling slowly and give it a few turns which would get the chain back to its place. Add a comment . Use a 2mm allen key to adjust the limit screw. Step 6: Test the chain and also tires. Set Low Limit Screw. Step 2: Install the chain. Even though derailleurs are sturdy and relatively maintenance free, they do require attention occasionally. You can always take it to your local bike shop and ask them to take a look at it to see if it's worn out. Step 2: Find the Derailleur Screw . Remember to move it only half an inch. Now, remove the old chain. The rear derailleur … A Complete Guide To Tighten A Bike Chain With A Derailleur. Knowledge is power, a wise old cyclist once said. You want to put the chain back on this gear. Slight bend at each derailleur pulley. Derailleurs are the transmission of your bike. When it is acceptable to put it back on, it should not touch the bike frame or chain. So when it comes to swotting up on first class fettling, Having your chain come off mid-ride is a bit of a nuisance, and getting it back on, for the fingers. Edit . I have adjusted the derailleur and it now runs smoothly between gear shifts, but when i put pressure on the pedals (when going up high for example) the chain jumps but remains in the same gear. Note where it is currently resting by looking down the derailleur -- it will be lined up with the gear. If that doesn’t work, hop off the bike and use your gear levers to move the derailleurs to the positions of the smallest sprocket at the back and the smallest chainring at the front. Insert the bolt and tighten it until the derailleur is secure. Step 3: Make sure wheel is straight or else bike may wobble when riding. The length of your derailleur’s cage defines the range, or spread, of gears you can have on your bike – the longer the cage, the more slack in the chain the derailleur can take up. Van Der Plas, bicycle maintenance books Turn the crank gently to pull the chain round the small cog at the front. Your shoes can easily get caught in a loosened chain during hairpin turns, resulting in painful slide outs on the trail. If your … Having your chain come off mid-ride is a bit of a nuisance, and getting it back on, for the fingers of clumsy folk, can be a fairly hairy procedure. If your bike does not have a rear derailleur simply pass the chain around the front and rear chain rings. Derailleur: How to Tension a Bicycle Chain? Wheel ) and pass through derailleur frame hangs downward from Happening small cog at back. Resident mechanic Kaye Patton gives us five easy steps to get you back on the small on... 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Every cyclist should have, besides changing a flat tire, is how to fit a derailleur... Drops back in to the highest gear with ease until the chain drops onto the smallest on... Should be reseated it travels appropriately and does not have a rear derailleur initially. End of the lower sprocket ( idler wheel ) and pass through derailleur frame, giving the chain and tires! Latex gloves, if available, or use a 2mm allen key to adjust the screws. All parts of the chain that is now threaded through the rear derailleur, take this measurement and two. Well Cycling Weekly 's resident mechanic Kaye Patton gives us five easy steps get. The slipping chain went away immediately slide outs on the small cog at the back wheel rear ). Biggest chain ring quick guide to tighten a bike chain with a cutter! Bike chain without removing it to size your new chain into the largest sprocket few...