What is Shimano SIS?

05/09/2018. 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.

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What is Shimano SIS Cable?

The Shimano shifter cable housing SIS-SP41 has been pre-greased over its entire length with a special silicone lubricant. This reduces cable resistance by 10% (compared to SP40) and guarantees fast, precise shifting. It is not necessary to grease the shifter cable when retracting it.

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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.

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How do you adjust Shimano SIS derailleur?

If you look at the barrel adjuster from the point of view of the cable housing (not the bare cable) running into it, turning the adjuster clockwise will slacken the cable and counter-clockwise will tighten it.

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What are sis gears?

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.

View complete answer on bike.shimano.com

Best Cycling Tech Invention? | Shimano Indexed Shifting

20 related questions found

What is front derailleur?

The front derailleur is the mechanism that shifts the chain on bike with more than one front chainring. There are many different makes and models, but they all share the same basic design and functionality. Front derailleurs are attached to the bike with either a clamp or bracket. Clamp mounted derailleur.

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How does Shimano derailleur clutch work?

The clutch on Shimano derailleurs adds tension to the chain, reducing chain bounce in rough terrain, therefore minimizing “chain slap” against the frame, and keeping as much chain wrapped snuggly around the chainring as possible to prevent it from dropping off the ring.

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What is friction shifting on a bike?

Friction shifting is shifting without the notches. The shifter moves linearly, like a ramp rather than stairs, and so, in theory, you can move the shifter in between gears and not quite be in the gear.

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What is indexed shifting?

With indexed shifting, there are click stops in the shifter so that the rider has a tactile guide as to how far to move the shifter to shift from one gear to the next.

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What is trigger shifter?

Trigger shifters: Also known as 'rapidfire' shifters, these are located below the handlebar. Riders use a thumb button to shift to larger sprockets and a small index-finger operated 'trigger' to downshift.

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Does Shimano shifter come with cable?

Shimano always come with inners and outers, unless they are OE. SRAM usually just have wires. the stuff I bought form Merlin last time (shifters + mechs) came with inners.

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How do you adjust a Shimano 7 speed shifter?

Stop riding and locate the barrel adjustment on the edge of the shifter pod where the cable connects to the shifter. Turn the barrel one quarter-turn to the left to loosen the shifting on the seven-speed derailleur. Turn one quarter-turn to the right to tighten the shifting.

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Can I put any derailleur on my bike?

A derailleur for your mountain bike should match the specifications on the original derailleur. That is, while it doesn't need to be the same model of derailleur, it does need to be the same brand, in almost every case. It also needs to match the number of gears, or have more intended.

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How do I know what derailleur I need?

If you are replacing an existing derailleur on a bike, simply count the number of cogs on your cassette and you're good to go. If your drivetrain's speed is an unknown quantity, you can count the number of steps that your shifter runs through and add 'one' to determine the number of gears your drivetrain has.

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Can I use Shimano cassette with SRAM derailleur?

SRAM's cassettes and chains are compatible with all of Shimano's groupsets, and vice versa. Likewise, Shimano and SRAM buyers have the freedom to mix different levels of chains and cassettes so long as they are designed for the same kind of transmission.

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Do I need a front derailleur?

Are Front Derailleurs Necessary? These days front derailleurs are essentially not necessary, on mountain bikes at least. Now even high-end road bikes are starting to lose their front derailleurs. With a larger rear cassette, it's possible to get the same number of gears without the need for a front derailleur.

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What is H and L on bike?

The Front Shifter & Derailleur. The front derailleur is controlled by the left shifter. Many shifters are marked in some way, often numbered or with an 'H' for the high gear and an 'L' for the low gear. The '1' or 'L' refers to the innermost chainring (closest to the bike).

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How do I know if my front derailleur is double or triple?

The shape of the shifting cage is tailored for the application intended.
  1. A "double" front derailer has an inner cage plate that extends down only slightly farther than the outer plate.
  2. A "triple" front derailer has an extended inner plate that goes down considerably lower than the outer plate.

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Do you adjust front or rear derailleur?

In a nutshell, adjust the front derailleur first, then the rear. Show activity on this post. If the derailers just need minor tweaking (they are basically in adjustment but are "not quite right") then you adjust the one that is obviously wrong, check the overall adjustment again, then again adjust what needs adjusting.

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What are the levels of Shimano components?

Shimano groupsets: different levels explained
  • Claris: 8-speed.
  • Sora: 9-speed.
  • Tiagra: 10-speed.
  • 105: 11-speed.
  • Ultegra: 11-speed.
  • Ultegra Di2: 11-speed electronic.
  • Dura-Ace: 11-speed.
  • Dura-Ace Di2: 11-speed electronic.

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How do I calibrate my bike gears?

Turn the adjuster slowly, turning until the chain falls into the correct gear. Always work slowly, adjusting by a quarter-turn at a time at most. Think of it as of turning the adjuster the way you want the chain to move. Rotate towards the bike to make the chain move towards the bike.

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