Ggthjy

The vanishing of sum of coefficients: symmetric polynomials

Why can a 352GB NumPy ndarray be used on an 8GB memory macOS computer?

How experienced do I need to be to go on a photography workshop?

japanese equivalent of "Mmmm" as in "Mmmm I like that!" or "Mmmm, delicious"

What's the most convenient time of year in the USA to end the world?

Why would the Pakistan airspace closure cancel flights not headed to Pakistan itself?

Can you earn endless XP using a Flameskull and its self-revival feature?

Why is button three on trumpet almost never used alone?

Am I a Rude Number?

Closed form for these polynomials?

Does 'rm -fr` remove the boot loader?

Why did Jodrell Bank assist the Soviet Union to collect data from their spacecraft in the mid 1960's?

If I delete my router's history can my ISP still provide it to my parents?

Why do neural networks need so many training examples to perform?

QGIS: use geometry from different layer in symbology expression

What are the advantages of using `make` for small projects?

Can a hotel cancel a confirmed reservation?

Quenching swords in dragon blood; why?

What makes the Forgotten Realms "forgotten"?

Why did Bush enact a completely different foreign policy to that which he espoused during the 2000 Presidential election campaign?

Explain the objections to these measures against human trafficking

Dilemma of explaining to interviewer that he is the reason for declining second interview

Avoiding morning and evening handshakes

Can polymorphing monsters spam their ability to effectively give themselves a massive health pool?

Shimano Shadow vs Non-Shadow Rear Derailleur for Commuter Bike

Using non-Shimano link with Shimano chain?Shimano SLX Rear Derailleur with Microshift bar end ShiftersWhy doesn't Shimano use shadow technology on road derailleurs?Shimano short cage rear derailleur capacityUpgrading crankset on mountain bike - what are my optionsShimano SIS Rear derailleur fixing problemShimano Rear Derailleur Max CapacityBest rear derailleur for a Schwinn ranger?Can Shimano Rear Derailleur Lever Be Fixed?What exactly is Shimano's Shadow Plus technology for rear derailleurs?

2

I am considering upgrading the rear derailleur in my commute bike since it has some considerable scratch damage and since I have to change the rear freewheel / cassette for some functional damage.

While looking at the entry level Shimano components, I started considering the Altus RD-M2000 / Acera RD-M3000 / Alivio RD-M4000 since they are still cheapish (at 20 something, 30 somthing, and 40 something USD respectively) and they are "shadow" (narrower profile and stronger tensor spring to reduce chain whips/bounce and have a lower chance of them "shifting in a bump" or coming off altogether)

Are the shadow vs non-shadow rear derailleurs better for bumpy commutes? (rather than just for downhill/way bumpier rides) Are the Altus / Acera / Alivio comparably durable? Should I go for the cheaper Altus one or the Alivio one if I can spare the extra bucks?

shimano

share|improve this question

asked 6 hours ago

Fabián Heredia MontielFabián Heredia Montiel

1114

New contributor

Fabián Heredia Montiel is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

2

I am considering upgrading the rear derailleur in my commute bike since it has some considerable scratch damage and since I have to change the rear freewheel / cassette for some functional damage.

While looking at the entry level Shimano components, I started considering the Altus RD-M2000 / Acera RD-M3000 / Alivio RD-M4000 since they are still cheapish (at 20 something, 30 somthing, and 40 something USD respectively) and they are "shadow" (narrower profile and stronger tensor spring to reduce chain whips/bounce and have a lower chance of them "shifting in a bump" or coming off altogether)

Are the shadow vs non-shadow rear derailleurs better for bumpy commutes? (rather than just for downhill/way bumpier rides) Are the Altus / Acera / Alivio comparably durable? Should I go for the cheaper Altus one or the Alivio one if I can spare the extra bucks?

shimano

share|improve this question

asked 6 hours ago

Fabián Heredia MontielFabián Heredia Montiel

1114

New contributor

Fabián Heredia Montiel is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

I am considering upgrading the rear derailleur in my commute bike since it has some considerable scratch damage and since I have to change the rear freewheel / cassette for some functional damage.

While looking at the entry level Shimano components, I started considering the Altus RD-M2000 / Acera RD-M3000 / Alivio RD-M4000 since they are still cheapish (at 20 something, 30 somthing, and 40 something USD respectively) and they are "shadow" (narrower profile and stronger tensor spring to reduce chain whips/bounce and have a lower chance of them "shifting in a bump" or coming off altogether)

Are the shadow vs non-shadow rear derailleurs better for bumpy commutes? (rather than just for downhill/way bumpier rides) Are the Altus / Acera / Alivio comparably durable? Should I go for the cheaper Altus one or the Alivio one if I can spare the extra bucks?

shimano

share|improve this question

asked 6 hours ago

Fabián Heredia MontielFabián Heredia Montiel

1114

New contributor

Fabián Heredia Montiel is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked 6 hours ago

Fabián Heredia MontielFabián Heredia Montiel

1114

New contributor

Fabián Heredia Montiel is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked 6 hours ago

Fabián Heredia MontielFabián Heredia Montiel

1114

New contributor

Fabián Heredia Montiel is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 6 hours ago

Fabián Heredia MontielFabián Heredia Montiel

1114

New contributor

Fabián Heredia Montiel is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 6 hours ago

Fabián Heredia MontielFabián Heredia Montiel

1114

1 Answer
1

active

oldest

votes

3

Shadow describes the design that brings the derailleur body inboard making it less prone to knocks and damage, it does not help with chain slap. For that you need a clutch or in Shimano phraseology "Plus" (SRam "type 2")

You can get Shadow derailleurs without the clutch (e.g. M592), so if you want the clutch, look for a "plus" - I believe the lowest in the range with a clutch is Deore.

Without getting into buying advice (Off topic here), the difference between components one level apart is small enough most people will not notice. My choice would be based on internet shopping for the best I could get within my budget as often you can pick up great discounts.

Shadow is not a big deal unless you regularly wipe out you derailleur in rock gardens, but I would pay a few dollars more for a shadow Plus if you are noticing an annoying amount of chain slap, but from the sound of it a Deore will be more than you want to spend.

If you are on a tight budget, also have a look at Microshift derailleur, don't think you have to stick with the $himano tax.

share|improve this answer

answered 3 hours ago

mattnzmattnz

24.2k23677

add a comment | 

Your Answer

StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "126"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);

StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});

function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: false,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: null,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
noCode: true, onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});


}
});

Fabián Heredia Montiel is a new contributor. Be nice, and check out our Code of Conduct.

draft saved

draft discarded

Sign up or log in

StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});

Sign up using Google

Sign up using Facebook

Sign up using Email and Password

Post as a guest

Name

Email

Required, but never shown

StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fbicycles.stackexchange.com%2fquestions%2f59624%2fshimano-shadow-vs-non-shadow-rear-derailleur-for-commuter-bike%23new-answer', 'question_page');
}
);

Post as a guest

Name

Email

Required, but never shown

3

Shadow describes the design that brings the derailleur body inboard making it less prone to knocks and damage, it does not help with chain slap. For that you need a clutch or in Shimano phraseology "Plus" (SRam "type 2")

You can get Shadow derailleurs without the clutch (e.g. M592), so if you want the clutch, look for a "plus" - I believe the lowest in the range with a clutch is Deore.

Without getting into buying advice (Off topic here), the difference between components one level apart is small enough most people will not notice. My choice would be based on internet shopping for the best I could get within my budget as often you can pick up great discounts.

Shadow is not a big deal unless you regularly wipe out you derailleur in rock gardens, but I would pay a few dollars more for a shadow Plus if you are noticing an annoying amount of chain slap, but from the sound of it a Deore will be more than you want to spend.

If you are on a tight budget, also have a look at Microshift derailleur, don't think you have to stick with the $himano tax.

share|improve this answer

answered 3 hours ago

mattnzmattnz

24.2k23677

add a comment | 

3

Shadow describes the design that brings the derailleur body inboard making it less prone to knocks and damage, it does not help with chain slap. For that you need a clutch or in Shimano phraseology "Plus" (SRam "type 2")

You can get Shadow derailleurs without the clutch (e.g. M592), so if you want the clutch, look for a "plus" - I believe the lowest in the range with a clutch is Deore.

Without getting into buying advice (Off topic here), the difference between components one level apart is small enough most people will not notice. My choice would be based on internet shopping for the best I could get within my budget as often you can pick up great discounts.

Shadow is not a big deal unless you regularly wipe out you derailleur in rock gardens, but I would pay a few dollars more for a shadow Plus if you are noticing an annoying amount of chain slap, but from the sound of it a Deore will be more than you want to spend.

If you are on a tight budget, also have a look at Microshift derailleur, don't think you have to stick with the $himano tax.

share|improve this answer

answered 3 hours ago

mattnzmattnz

24.2k23677

add a comment | 

Shadow describes the design that brings the derailleur body inboard making it less prone to knocks and damage, it does not help with chain slap. For that you need a clutch or in Shimano phraseology "Plus" (SRam "type 2")

You can get Shadow derailleurs without the clutch (e.g. M592), so if you want the clutch, look for a "plus" - I believe the lowest in the range with a clutch is Deore.

Without getting into buying advice (Off topic here), the difference between components one level apart is small enough most people will not notice. My choice would be based on internet shopping for the best I could get within my budget as often you can pick up great discounts.

Shadow is not a big deal unless you regularly wipe out you derailleur in rock gardens, but I would pay a few dollars more for a shadow Plus if you are noticing an annoying amount of chain slap, but from the sound of it a Deore will be more than you want to spend.

If you are on a tight budget, also have a look at Microshift derailleur, don't think you have to stick with the $himano tax.

share|improve this answer

answered 3 hours ago

mattnzmattnz

24.2k23677

share|improve this answer

answered 3 hours ago

mattnzmattnz

24.2k23677

answered 3 hours ago

mattnzmattnz

24.2k23677

answered 3 hours ago

mattnzmattnz

24.2k23677