What is Shimano SIS?

What is Shimano SIS?

Every Shimano equipped multi-gear bicycle includes Shimano S.I.S – Shimano Indexed Shifting. It’s the technology behind that “click” you hear and feel everytime you shift through your gears. That “click” captures the light, precise, and consistent shifting bikes equipped with Shimano deliver.

How do I identify my Shimano rear derailleur?

Shimano stamps the rear derailleur model number on the underside/lower plate of the parallelogram. All models for the last several decades.

How do you use Shimano SIS gears?

How to Shift a Shimano SIS Bike

1. Press the large right shift lever. It’s mounted on the right handlebar and is the larger of the two levers.
2. Press the small right shift lever once to shift the derailleur down one position on the cog set.
3. Press the large left shift lever once.

How do you change Shimano SIS gears?

Press the small right shift lever once to shift the derailleur down one position on the cog set. The small shift lever is directly behind the large lever. This shifts the derailleur to a smaller cog, in a higher gear, which makes it more challenging to pedal.

What happens if you break the derailleur on Shimano?

If you break it off while bending it back you haven’t lost much, since the alternative is buying a new one. If it does bend back you win. If the derailleur just won’t shift far enough any more, you’ll need to check for more subtle problems.

Can a Shimano ty500 be used with SIS index shifting?

Compatible with 6 and 7-speed SIS Index Shifting drivetrains, the SHIMANO TOURNEY TY500 derailleur is offered in a wide range of fitments and cage options. Low sprocket_Max. Top sprocket_Max.

Can a Shimano SIS be a push button shifter?

Shimano SIS is normally a thumbshifter but your description sounds as though it might be a twist grip or push-button shifter. The problems for each can be slightly different. All of the following will be easier if you can lift the rear wheel off the ground so that you can spin the pedals and change gear while you experiment.

What should I do if my transmission derailleur breaks?

if there is exposed shifter cable along the frame tubes, try pulling on that while gently spinning the pedals. Be careful because if the derailleur is bent this may cause it to move into the rear wheel, potentially damaging the wheel or derailleur. The gears should change.