1/2/2024 0 Comments 5 hacks for perfect shiftingYou can use the pulley wheel of the derailleur as a visual reference, making sure that it lines up with the largest sprocket. Working in quarter turns of the limit screws will allow you to fine tune the position so it allows the chain to shift onto the sprocket but no further. If the chain does not sit comfortably on the biggest sprocket, unscrew the adjusting screw a little and try again. If it goes beyond that sprocket and falls into the spokes, turn the derailleur's low limit screw in (clockwise) and repeat step three. It does not however make it move, this is the job of the cable and the spring located in the mech itself. The low limit screw impacts the derailleur's range of motion and will sometimes be marked with a 'L' on the derailleur body. If the derailleur’s low limit screw is correctly adjusted, the chain will only travel onto the largest sprocket and go no further. Be careful not to catch your fingers in the spokes as you do this. Turn the pedals while using your other hand to manually push the rear derailleur in towards the rear wheel. Undo the cable-securing bolt on the rear derailleur and move the cable out of the way If you're in doubt it's worth replacing both the inner gear cable and outer housing before you start. It can also lead to confusion, as you may think that you need to adjust the tension on your cable, when it fact it's movement is impaired by grime. If the cables are old or dirty they may not move freely and this will impact on your ability to adjust your gears effectively. To set-up or adjust your gears you'll need a small Philips screwdriver and an Allen or Hex key set - the best multi-tools should have you covered if you don't have a dedicated set of Allen keys.īefore you start working on your gears you'll want to ensure that your gear cables are running smoothly. 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 potentially result in an accident. When the gears are working well you cannot shift gear past either the largest or the smallest sprocket or chainring. It should not go into a different gear position nor should it slip into another gear as you pedal along.
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