How to change a shimano gear cable on a mountain bike

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Shimano CS Speed Cassette. Clarks Universal Bike Gear Cable. Clarks Standard 9 Speed Bike Chain. Speed Type : Speed. CS-HG41 8-speed cassette 11 - 34T. VP-BC73 68 x Clarks 5,6,7,8 Speed Bike Chain Connector. Load 24 more. Within our range, you'll find a huge volume of products for all the important elements of your bike, this includes gears, chains, cassettes, drivetrain and cables.

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If it's a gear set you're looking for, we stock a great selection of Shimano gears, offering 8-speed cassette, 9-speed cassette, speed cassette and speed cassette. Shimano is the leading brand for bicycle gears, with build-quality, price and versatility being in their favour. Our range of Shimano gears, cassettes, derailleurs and chains offer something for every cyclist, with products covering all price points and types of bike.The first thing to do is shift all the way down to the smallest sprocket on your cassette.

Then cut off the crimp on the cable and loosen the cable clamp to free the cable. Make sure the cable is fully out then remove the cable outer. Next move up to the front of your bike and roll back the hood. To remove the cable from the shifter, give the cable a bit of a push and then pull it out through the shifter mechanism. Start by threading the new cable through the shifter ensuring it runs through the correct channel.

When the cable is through the shifter, roll back your hood. Next feed your cable towards your bottom bracket.

If you have internally routed cables make sure you feed it correctly through the guides. Before you fit the cable into the derailleur, wind in the barrel adjuster all the way, then back it off by two full turns.

how to change a shimano gear cable on a mountain bike

Take your new section of outer and thread it over the cable. You want as short a length of outer as possible while still ensuring it forms a smooth curve, otherwise it will make shifting harder. Pass the cable through the barrel adjuster and the cable clamp. Pull the cable taut by hand and tighten up the clamp. Give the cable a snip and fit your crimp on the end to stop it fraying. Your aim is to line up the top jockey wheel with the second smallest sprocket.

With that achieved the gears should be indexed and it should shift smoothly. If you want a more detailed guide to adjusting your gears, click here. So there you have it, clean shifting once again without throwing money at a new groupset. Home News General News. Playlist 20 Videos. Will a solid tyre help get you through the winter? The Di2 performs flawlessly. Fitness under lockdown — What now?The skipped cog and the crunch of the chain seem to hit at the vital moment when you need to dig in and clear yet another root!

Luckily these issues are often just a symptom of stretched or worn gear cables and can easily be remedied with a swift switch and a bit of mechanical TLC.

From changing a gear cable to mastering the attack position, in the MTBminute we take on some of the most pressing questions around your mountain bike life and attempt to show you the key stages in just 60 seconds! How to replace shimano gear cable.

Well, quite a lot as it turns out… From changing a gear cable to mastering the attack position, in the MTBminute we take on some of the most pressing questions around your mountain bike life and attempt to show you the key stages in just 60 seconds!

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how to change a shimano gear cable on a mountain bike

There are many reasons why you would do this. Gear cables wear out, get kinked, and stop working smoothly after a while. When I got this bike the dropper cable was routed to the left side of the frame and the gear cable was run to the right.

how to change a shimano gear cable on a mountain bike

First, shift your bike into the smallest gear and bring your barrel adjuster all the way in. Loosen the clamp on the derailleur, and remove your old cable. The cable should come out with a metal stop on the end. Most of you are going to be changing your cable and your housing, so it would be a good idea to pick up a pair of cable cutters.

You can use end nippers or dykes but, these are much easier.

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We can always go back and cut it more. Enter your email address to receive our top stories via email each week. To read the rest of the transcript, please turn on closed captions. Share This:. Seth's Bike Hacks. Related Articles. Bike Reviews. Watch: Trans Varaita Race Preview. Featured Articles.

Leave a Reply Cancel reply You must be logged in to post a comment.This being the case, understanding how to adjust Shimano gears on a mountain bike is something that it is well worth spending some time on. At the time of writing. Shimano is one of the most popular brands of groupset manufacturers in the cycling industry.

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What this means is that you will come across plenty of bike from different manufacturers that use them. There are a number of different groupsets offered by this Japanese multi-national manufacturer. They work through the use of two levers, made up of a larger one that has a smaller lever sitting behind it.

There are a few tell-tale signs to look out for in this respect. Maybe the chain keeps falling off or the gear change has become sticky and unresponsive. Among the main changes you can make to the rear derailleur are the upper limit and lower limit settings. You can also change the cable tension and use the B tension screw. The first step is to shift the derailleur down to the smallest of the cogs.

You should adjust the small round knob barrel adjuster that you see attached to the cable. Turn it in a clockwise motion, this gives you room for further changes later on. The high limit is the higher of the screws and it is placed across from the barrel adjuster. You will need to use a screwdriver to turn it. A clockwise motion brings the derailleur inwards, while turning it in the opposite direction will move it out.

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Unscrew the cable anchor at the bottom of the derailleur just a little. This is what keeps the cable in place. You can now tighten the cable by pulling it and then tightening the cable anchor again. At this point, you can begin to shift the derailleur by turning the pedal to get the wheel spinning. It should shift smoothly. You can now go back to the barrel adjuster and move it in a clockwise direction. This affects how smoothly the gears work as you shift upwards, so you want to see the derailleur moving smoothly after you have adjusted it.

The next step is to move the derailleur to just underneath the biggest of the cogs. With your screwdriver, you can turn the lower limit screw.

how to change a shimano gear cable on a mountain bike

The most common adjustment needed her is to turn it in a clockwise direction until it starts to feel tight. Finally, the B tension screw is found under the cable and you can use it to alter the angle of the derailleur. You will want to turn it clockwise, which moves the derailleur down, while counterclockwise movement brings it upwards.

You want to end up with the derailleur close to the cassette but not hitting the cog. This is the mechanism that moves the chain from one ring to another.

The first thing you might want to check here is the height.Like your brakes, gears rely on correct adjustment and the smooth operation of cables to work well. Modern gears are indexed — that is to say, as you click the gear lever into a gear position on the handlebars, the front or rear derailleur puts the chain onto the corresponding cog or ring.

It should do this effortlessly and without any fuss. It should not go into a different gear position nor should it slip into another gear as you pedal along. When the gears are working well you cannot shift gear past either the largest or the smallest cog or chainring.

Incorrect derailleur adjustment may not sound as dangerous as ineffective brakes, but having a derailleur slip into your spokes, having a chain come off the front chainring, or having your gears slip can all result in a trip to casualty! Put the gear lever into top gear, turn the pedals and allow the chain to go onto the smallest cog on the cassette.

If there is a cable adjuster on the gear lever body, or the derailleur body, screw it almost all the way in clockwise. Screw the rear derailleur barrel adjuster all the way in. Undo the cable-securing bolt on the rear derailleur and move the cable out of the way. Turn the pedals while using your other hand to manually push the rear derailleur in towards the rear wheel. If it goes beyond that cog and falls into the spokes, turn the derailleur adjusting screw in clockwise and repeat step three.

If the chain does not sit comfortably on the biggest cog, unscrew the adjusting screw a little and try again.

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Use the adjusting screw and repeat until the chain runs smoothly. Using the gear lever, go through all the gears several times. If the derailleur is slow to go into the lower gears, unscrew the cable adjuster on the derailleur body. If it is slow to go into the higher gears, screw in the cable adjuster.

Re-check that all the securing bolts are tight and go for a gentle test ride.

How To Adjust + Index Your Gears – Mountain Bike Maintenance Tips

Put the gear lever into the lowest gear, and if there is a cable adjuster on the gear lever body, screw it almost all the way in. Undo the cable-securing bolt on the operating lever of the derailleur and move the cable out of the way. Undo the bolt and move the cable out of the way. Check that the front derailleur is parallel to the chainring, and there is a gap of around 2mm between the top of the largest chain wheel and the bottom of the outer plate of the front derailleur.

Check the front derailleur is parallel with the chainring.

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Use the screw to make sure the chain sits between the side plates on the inner ring. Now with the chain on the smallest cog on the rear cassette, pedal the bike with one hand and pull the front derailleur so that the chain goes onto the largest chainring at the front, and is again in the middle of the derailleur plates. Again in the big ring, make sure the chain sits between the side plates of the front derailleur.

Let the derailleur return to its position over the smallest chain ring. Refit the cable, and tighten the securing bolt. Refit the cable and tighten the securing bolt.

With the bike held off the ground, and the chain now on the largest cog at the back, test the front derailleur by moving the chain between the smallest and next chainring using the gear lever. Put the chain onto the smallest cog on the rear cassette.

If you have a three-ring crankset, repeat the procedure above, this time going from the middle chainring to the biggest chainring. If you find that the derailleur is slow changing up from small to big chainring, unscrew the cable adjuster on the gear lever body a little. Just be sure that is does not then become slow changing down.

Recheck that all the securing bolts are tight and go for a gentle test ride. Home Videos. Big Gear Effort. Bike maintenance. Five best bike cleaning kits for a sparkling finish. How to fix a puncture and mend an inner tube.The gears on your bicycle allow you to adjust how easily it is to pedal.

If you encounter a hill, big or small, shifting to an easier gear will help you climb it.

Watch: How to Change a Shift Cable on Your Mountain Bike

When riding on flat surfaces or at a decline, you can shift into a harder gear to maintain a nice pedaling cadence. Knowing how to use your gears will make your rides more enjoyable and make you a more efficient cyclist. Shimano gears are shifted by either a twist-grip shifter, finger shifter, or the shifters are incorporated into your brake levers.

Locate the front set of gears, the ones nearest the pedals. These are the chainrings and your bike will have one to three of them in increasing sizes. The biggest one will be the hardest gear and the smallest one will be the easiest gear. When you shift with the left-hand shifter, the front derailleur moves the chain over the chainrings. Most rides you might never shift the front gears unless there is a large difference in elevation.

Locate the rear gears, the ones attached to your back wheel. These are called a cassette and the individual gears are called cogs. These work the opposite of the front gears, where the smallest one is the hardest gear and the biggest one is the easiest. When you shift with the right-hand shifter the rear derailleur moves the chain over the cogs.

You will shift on the cassette numerous times during a ride. Determine what type of Shimano shifters you have. Some older mountain bikes and hybrid bikes have grip shifters that are integrated into the handlebar and are twisted to change gears.

More modern mountain bikes and hybrids will have indexed thumb shifters mounted on the handlebar that you click with your finger and thumb to change gears. Newer road bikes will have the shifters integrated in with the brake levers. Shift the rear derailleur by manipulating the right-hand shifter while pedaling. On a twist-shift system grip the handlebar and turn either clockwise to go to a harder gear or counterclockwise to go to an easier gear. On a thumb shifter you will click one lever with your finger to move the gears down and your thumb to move the gears up.

With a brake lever system on a road bike, use your fingers to press the lever inward toward the stem of the handlebar to go into an easier gear and press either the small lever located on the side of the brake hood or the lever behind the brake lever to move into a harder gear.

Shift the front derailleur by using the left-hand shifters while pedaling. They work opposite to the right-hand shifters. On a twist-shift system grip the handlebar and turn either clockwise to go to an easier gear or counterclockwise to go to a harder gear. On a thumb shifter you will click one lever with your finger to move the gears up and click the other with your thumb to move the gears down.

With a brake-lever system on a road bike, use your fingers to press the lever inward toward the stem of the handlebar to go into a harder gear and press either the small lever located on the side of the brake hood or the lever behind the brake lever to move into an easier gear. Remember to shift before starting up a hill in order to not tire out too quickly.

You can shift again as needed. On road bikes the front gears are often quite different in size, especially if you have three chainrings. You need to push the shifter completely to move the chain into the next gear otherwise the chain might fall off. Avoid shifting to two extremes, such as the smallest chainring and smallest cog. Your chain could fall off. Based in Portland, Ore. Her articles have appeared in magazines such as "Herb Companion" and "Northwest Travel" and she is the author of six books.

By: Tammie Painter. Published: 17 August,