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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

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asked 5 hours ago

Fabián Heredia MontielFabián Heredia Montiel

1114

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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 5 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 5 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 5 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 5 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 5 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 5 hours ago

Fabián Heredia MontielFabián Heredia Montiel

1114

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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 2 hours ago

mattnzmattnz

24.2k23677

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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 2 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 2 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 2 hours ago

mattnzmattnz

24.2k23677

share|improve this answer

answered 2 hours ago

mattnzmattnz

24.2k23677

answered 2 hours ago

mattnzmattnz

24.2k23677

answered 2 hours ago

mattnzmattnz

24.2k23677