The Rear Shift Regulation

Rear Shift Regulation

Rear Shift Regulation suspension is one of the components of the bike that works the most and, therefore, one of the most subject to the loss of regulation of indexation.

Theme of Regulation

Mainly due to the natural stretching of the cables and the compression of the conduits. Indexing means that each click on the exchanger corresponds to one gear change. The correct functioning of the exchange is fundamental for a pleasurable pedaling and Starting to Pedal because nobody likes to walk with the bike jumping the march and making noise. How to know when the exchange is deregulated?

The gears do not enter smoothly, take time to go up or down and need a “help” with the exchanger-

The chain does not sit correctly on the pinions, in this way the gear jumps and the rhythm of the pedaling is broken.

There is that characteristic noise of the current trying to fit in: the famous tléc-tléc-tléc. My exchange is unregulated.

And now- Initially, the entire adjustment process shown here considers that the exchange rate was correctly positioned and deregulated. If there has been a fall with the bike and from there the exchange began to present the problem, it is possible that the exchange hook has buckled and misaligned.

Repair

For this repair and the Best Bike us are the best cycling, we indicate the visit to a specialized workshop, which has the appropriate tool to position the hook or even replace it. To check the alignment of the gearbox, looking behind the bike, the pulleys should be aligned with each other. Another characteristic symptom of misalignment is when indexing the gears works correctly on the larger and not the smaller, or vice versa. Now we go to the process of adjusting the gearbox, starting from the following observation: adjust the gear so that it stays in the small opinion of the cassette. While riding the bike, go up one gear, and then go down one. Does the chain take longer to raise or lower the opinions of the cassette?

Steel cable a bit

If it takes longer to rise (which is more common), it is necessary to stretch the steel cable a bit. To do this, turn the cable tensioner ¼ turn counterclockwise: this should cause the chain to rise faster. Check the operation of the gears, and if it is still slow, stretch it a little more. If you went beyond what you need to comfort Bike, the chain will rise well, but the descent will be impaired. To adjust, turn the regulator slightly until it reaches the correct setting. If the delay is in the descent it is necessary to loosen the cable.

Then rotate ¼ turn clockwise, and as we did in the previous case, adjust as required until you find the best setting. Some changes do not have the voltage regulator of the cable. In this case, the adjustment is made in the regulator that is next to the gear changer.

For those who use Shimano’s Dual Control system, reverse the process, because when you stretch the cable, the gear goes down. This tension adjustment of the steel cable is the only adjustment that should be made in a properly installed rear shift, and that you can do it yourself. In addition to this adjustment, there are the bolts that limit the movement of the gearbox, which usually stays together and has an H or LID, and the bolt that regulates the gear angle. But these adjustments should be made in a specialized workshop.

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