Fine-tune with the barrel adjuster, located where the cable housing enters the rear derailleur. Intuitive maintenance. Make sure your new derailleur is compatible with your bike’s shifters; eight- through 11-speed shifters must be matched with the same manufacturer’s equivalent derailleur.

Line the derailleur up underneath the largest cog. w�*��?�1L}�}�X�3��T�X�g�� K����|)��|�x��=�}$�̫^��_U�iȗ v�#�M?aE�3�Wg����U$'���GuC9��D���>O�y,U�"�� �����/Y�ㆸ�Et��@E�Il�\�R"�"�Z3�IwJE�K.

The mounting bolt connects the derailleur to the frame. advertisements are served by third party advertising companies.

If the pulley cage is a little outboard unscrewing the L screw should allow it to move the proper alignment. 407 0 obj <> endobj Gear-obsessed editors choose every product we review. Answer yes to both means you can skip ahead to setting the low stops screw. Reattach the cable and loop the chain through the jockey wheels before reconnecting the chain. Turn the barrel adjuster clockwise to leave room for adjusting it later. How To Adjust The B Screw On A Shimano XT 8000 Rear Derailleur This will help the derailleur shift faster. If it's too far outboard, turn the H limits screw clockwise until the pulley cage is correctly aligned. To check alignment with the largest cog, rotate the pedal forward and push the rear derailleur so that the chain shifts to the largest cog. Installing the rear derailleur TECH TIPS • The rear derailleur will not gear shift properly if the derailleur hanger is not straight. The exception: Shimano’s low-normal derailleurs, on which it does the opposite. If … It is part of the drivetrain and is necessary for your bike to shift gears.

If it didn't move outboard, the cable is too tight and you'll need to reduce the cable tension. Privacy Policy 2020 Use your screwdriver to begin adjusting the low limit screw, located directly beneath the high limit screw. Once you've dialed in the highest cogs, the rest should click right into place, so shift up the cassette and make small tension adjustments as necessary. LIVESTRONG is a registered trademark of the LIVESTRONG Foundation. Aligned? A rear derailleur is a spring-tension mechanism attached to the bike frame near the back wheel.

It is part of the drivetrain and is necessary for your bike to shift gears. Like a trigger on a gun, the Shimano Rapidfire Shifters click over briskly. , Company: Truvativ. Then you’re stuck with, at best, an imprecise and clattery ride. Your chain should move smoothly around the cog and pulleys when you turn the pedals. Look for the high and low adjusters on the derailleur—often marked with an H and an L. Adjust the high-gear screw by turning it until the jockey pulleys line up with the smallest cog. Shift through all gear combinations to make sure everything is running smoothly. Derailleurs guide the chain from here to gear and when they work they're great but when they don't your stuck and your frustrated, so take deep breath relax, i'll show you how to adjust your gears. Reattach the cable and tighten the clamp. Your cable and housing should not be rusted, split or frayed. . Tighten the barrel adjuster by turning it clockwise. Terms of Use The parallelogram linkage lets the chain move left and right and up and down the cassette while remaining parallel to the cogs.

It should not be Tighten the rear derailleur fixing screw.

Your going to try to shifting to the next cog up, the next biggest one turning.

The cable anchor is located at the bottom portion of the derailleur. Use your screwdriver to rotate the screw. If it is too far below, the derailleur will rub against the chain rings. Good, but noisy? Leaf Group Ltd. Try a half turn clockwise. When passing the chain through the rear derailleur, pass it through the rear derailleur body from the side of the chain derailment prevention plate as shown in the illustration. Locate the high limit screw. Adjust the B tension screw, located below the cable, to change the angle of the derailleur. Bicycling participates in various affiliate marketing programs, which means we may get paid commissions on editorially chosen products purchased through our links to retailer sites.

If not, break your chain with a chain tool or, if your chain is joined by a connecting pin, by removing the pin (use a new pin to rejoin the chain). The derailleur should fall around 1 to 3 millimetres (0.039 to 0.118 in) above the large chain ring. If the pulleys take the chain beyond the largest cog, screw the low adjuster inward until this stops. endstream endobj startxref Fine-tune the cable tension to eliminate the noise. High and low limit stops are usually found near the b-knuckle but sometimes on the front of the parallelogram.

For the best performance, position the guide pulley roughly 6 to 7mm away from the cogs. The chain runs around two jockey pulleys on the rear derailleur. You want it to shift smoothly. It holds the cable in place. At this point shift up to the lowest cog you're ready to set the low L stops screw. When your gears fail to shift smoothly, it's a good idea to adjust the rear derailleur. Shimano makes a variety of bicycle parts, including the XT rear derailleur.

Part 3 of adjusting the rear derailleur using the barrel adjuster. The LIVESTRONG Foundation and LIVESTRONG.COM do not endorse Hop off your bike and do this: Shift your chain into the biggest chainring and smallest cog, then loosen the cable clamp bolt (where the cable attaches to the derailleur).

Stand up and pat yourself on the back you're halfway home with the rear derailleur. Your rear derailleur moves your chain across cogs and maintains proper tension on the chain with every gear change. Check it again. For a good starting point, rotate the high limit screw to position the upper pulley directly beneath the smallest cog. 1. The low limit (often marked L) prevents shifts into the spokes; the high limit (marked H) prevents the chain from dropping off the smallest cog. The guide pulley keeps the chain in line as it moves from cog to cog during shifts. Click here and find out the manuals of SHIMANO products, technical information, safety data sheet of grease and so on. If everything is set up correctly, your rear derailleur should make one clean shift for every click of your shifter. 420 0 obj <>/Encrypt 408 0 R/Filter/FlateDecode/ID[]/Index[407 76]/Info 406 0 R/Length 82/Prev 1383204/Root 409 0 R/Size 483/Type/XRef/W[1 2 1]>>stream First, a little background derailleur adjustment is dependent on three things:  0 The B Screw adjust the tension of the chain while it wraps and unwraps chain from the #1 gear on the rear cassette. As you change gears using the shifter on your handlebars, the derailleur moves your chain to the corresponding cog on the cassette. Like a trigger on a gun, the Shimano Rapidfire Shifters click over briskly. Undo the hex bolt that attaches the derailleur hanger from the rear dropout. Loosen the cable anchor by unscrewing it slightly. This video addresses the B Screw adjustment. Now check the chain for stiff links (that's what she said) and bends. When you shift to a larger chainring or cog, the shifter cable pulls the rear derailleur forward, causing the pulleys to push the chain onto the larger sprockets while keeping chain tension in check. The rear derailleur plate assembly is equipped with a pin or plate that prevents the chain from derailing. Make sure your derailleur sits at the correct height.

Most chains use some sort of quick removal link to make this easy, so look for that first. 482 0 obj <>stream A rear derailleur is a spring-tension mechanism attached to the bike frame near the back wheel. Here’s how it works—plus tips to keep it running like new. h�bbd``b`~$����@�AH0i�Xm@�� ��$���$@,&���@�t6#�&H1#A��'q�9�q�� m � This is a very popular option, as trigger shifters are the more common option on a bike. Good! [1] X Research source When the derailleur cage sits too far above the chainring, this can cause the bike to shift poorly. A higher gear? The barrel adjuster changes where the derailleur stops on the cog, altering the smoothness of the shifting as it climbs gears.

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