Can I use a Sora rear derailleur with my 7 speed shifter?

Asked by: Abdiel Bojadziev

Will any derailleur work with any shifter?

No, different maker or different model with different number of “speed” shifters have different pull ratio (i.e. the length of cable pulled by a single shift). Usually it’s safe to use different model with same number of gears from the same maker.

Do derailleurs and shifters have to match?

As a general rule of thumb, it’s best not to mix and match drivetrain components from different brands. While things such as cranks, chains and cassettes are mostly inter-compatible between brands, generally speaking, shifters and derailleurs aren’t.

Will a 10 speed derailleur work with 7-speed?

No, you cannot. A bike with a 7-speed cassette would also come with a 7-speed shifter and a chain that is compatible with 7-speed cassettes. This will make it impossible for a 10-speed derailleur to work on it. This is because a 7-speed shifter and a 10-speed derailleur have different pull ratios.

Can a 9-speed derailleur work with 7-speed?

Can I use a 9-speed derailleur on a 7-speed cassette? The answer is yes because the rear shift ratio of 9-speed and 7-speed derailleurs is the same if you stay within the same brand.

Are 7 speed derailleurs interchangeable?

Shimano derailleurs marketed as 7, 8, 9 speed (and in addition, 10 speed road), can be interchanged in any of those speed drivetrains.

Can I use an 8 speed derailleur on a 7 speed cassette?

8 speed shifter and cassette, 7 speed derailleur? You’ll be fine. There’s no “probably” about it. 6-, 7- and 8-speed gear is all cross-compatible in terms of chain width.

Will any rear derailleur fit my bike?

No, bike derailleurs are not universal. A derailleur that works with one bike may not work with another bike based on factors such as the cage length. Check the difference between the smallest and largest cogs and also the chainring size to determine the derailleur compatibility.

Can you use friction shifters with any derailleur?

Any derailleur will work with a friction shifter.

Can you use a 7 speed shifter on a 6 speed bike?

Re: Can you use a 7 speed shifter on a 6 speed cassette? The “numbers” say they don’t match. The cable pull of a 7 speed is less than a 6 speed so, though a couple of cogs might work, the rest will gradually not. You’ll never know if you don’t try it.

Can you mix Shimano groupsets?

It is possible to mix and match as long as you get components from the same generation. For example: 9000 Dura Ace, 6800 Ultegra, and 5800 105 are all cross compatible. Each have 11-speeds in the rear, use the same cable pull per shift and use the same front derailleur design.

Can I put a 9 speed cassette on a 7-speed hub?

7-speed hubs won’t normally accept 8-, 9- or 10 speed cassettes without modification. Click here for details. 7-speed cassettes fit fine on 8- and 9-speed (and most 10-speed) hubs if you put a 4.5 mm spacer onto the body before the cassette. Click here for details.

How long does a rear derailleur last?

Good quality rear derailleur can last between 3 to 5 years, when unbranded or low-quality ones can last for 2 years, no matter what the durability of the rear derailleur the jockey wheel will wear after time and it can be replaced very cheaply with new ones, on the other hand, front derailleur can last almost

Can you use a SRAM derailleur with Shimano shifters?

The SRAM rear derailleur (mech) will not work with a Shimano shifter as is; the cable pull and shift activation ratios are not the same between the two systems.

How do I choose a rear derailleur?

Add the difference in the number of teeth between the largest and smallest sprockets to the same difference between the smallest and largest chainrings, and you will be left with a number. Your rear derailleur must have a total capacity of at least that amount in order for it to function properly.

Can I use 11 speed derailleur with 10 speed shifter?

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Will any derailleur fit my bike?

No, bike derailleurs are not universal. A derailleur that works with one bike may not work with another bike based on factors such as the cage length. Check the difference between the smallest and largest cogs and also the chainring size to determine the derailleur compatibility.

Will Shimano derailleurs work with SRAM shifters?

Condensed Answer: In general, it’s possible to combine a Shimano front derailleur with a SRAM shifter because both brands use extremely close cable pull ratios for the front mech.

Can I use an 11 speed derailleur on a 10 speed shifter?

Can An 11-speed Derailleur Work With a 10-speed Cassette and Shifter? Condensed Answer: Shimano’s 11-speed derailleurs have a different rear shift ratio than 10-speed derailleurs and are therefore not compatible with 10-speed indexed shifters.

Can you use friction shifters with any derailleur?

Any derailleur will work with a friction shifter.

Are friction shifters universal?

Friction shifters have a higher learning curve and require more conscious effort. However, they’re almost universally compatible, extremely durable, and often cheap to replace.

Are friction shifters good?

Conclusion: – Using friction shifters will dramatically reduce the chance of shifter failure on a bike tour. It is simple and easy to change gears and also just as simple and easy to tune.