Shimano ESSA REAR DERAILLEUR 8s
Rear Derailleur

Specifications
- Manufacturer
- Shimano
- Name
- ESSA REAR DERAILLEUR 8s
- Series
- U2000
- MPN
- RD-U2000
- Rear Speeds
- 8
- Drivetrain Brand
- Shimano
- Shifting Type
- Cable[1]
- Max Cog (T)
- 45[2]
- Chain Standard
- Shimano HG (Hyperglide)[2]
- Sources
- [1] AI-extracted, not yet checked against a named source (added 10 Feb 2026): Shifting Type
- [2] bike.shimano.com, checked 29 Sep 2026: Max Cog (T), Chain Standard
Compatibility
Shimano ESSA REAR DERAILLEUR 8s is a Shimano rear derailleur. It is an 8-speed component. It uses Cable shifting. Everything listed below was matched on a specification we hold for both parts: the interface each pairing actually depends on, such as freehub body, speed count, actuation or mounting standard. Where we could not verify that interface, the part is left out rather than assumed to fit.
Shifters that drive this derailleur9
RecommendedShimano
ESSA DUAL CONTROL LEVER 8s
- Both are 8-speed
- Both use cable actuation
Mechanically compatibleShimano
CLARIS DUAL CONTROL LEVER 8s
- Both are 8-speed
- Both use cable actuation
Mechanically compatibleShimano
CLARIS RIGHT SHIFT LEVER FLAT BAR ROAD 8s
- Both are 8-speed
- Both use cable actuation
Mechanically compatibleShimano
CLARIS RIGHT SHIFT/BRAKE LEVER FLAT BAR ROAD 8s
- Both are 8-speed
- Both use cable actuation
Mechanically compatibleShimano
DOWN TUBE SHIFT LEVER 8s
- Both are 8-speed
- Both use cable actuation
Mechanically compatibleShimano
EZ FIRE PLUS SHIFT/BRAKE LEVER 8s
- Both are 8-speed
- Both use cable actuation
Mechanically compatibleShimano
REVOSHIFT SHIFT LEVER SIS INDEX 8s
- Both are 8-speed
- Both use cable actuation
Mechanically compatibleShimano
RIGHT SHIFT LEVER 8s
- Both are 8-speed
- Both use cable actuation
Mechanically compatibleShimano
TOURNEY TX EZ FIRE PLUS SHIFT/BRAKE LEVER 8s
- Both are 8-speed
- Both use cable actuation
Cassettes for this derailleur4
Shares a standardShimano
HG CASSETTE 8s (CS-HG300-8)
- Both are 8-speed
- Both are Shimano drivetrain parts
Shares a standardShimano
HG CASSETTE 8s (CS-HG400-8)
- Both are 8-speed
- Both are Shimano drivetrain parts
Shares a standardShimano
HG CASSETTE 8s (CS-HG50-8)
- Both are 8-speed
- Both are Shimano drivetrain parts
Shares a standardShimano
TX HG CASSETTE 8s
- Both are 8-speed
- Both are Shimano drivetrain parts
Chains for this derailleur8
Shares a standardShimano
CN-HG40 HG CHAIN 6, 7, 8s
- Both are 8-speed
Shares a standardKMC
E8
- Both are 8-speed
Shares a standardSRAM
PC-830 chain
- Both are 8-speed
Shares a standardSRAM
PC-850 Chain
- Both are 8-speed
Shares a standardSRAM
PC-870 Chain
- Both are 8-speed
Shares a standardKMC
X8
- Both are 8-speed
Shares a standardKMC
Z8.1
- Both are 8-speed
Shares a standardKMC
Z8.3
- Both are 8-speed
Frequently Asked Questions
What fits Shimano ESSA REAR DERAILLEUR 8s?
On this page we list shifters that drive this derailleur, cassettes for this derailleur, chains for this derailleur. Each listing was matched on a specification we hold for both parts; anything we could not verify is omitted rather than assumed to fit.
Can I use a higher or lower speed chain with Shimano ESSA REAR DERAILLEUR 8s?
No. Shimano ESSA REAR DERAILLEUR 8s is an 8-speed component and needs an 8-speed chain. Chains for different speed counts have different external widths and inner-plate profiles, which causes poor shifting or interference with the neighbouring sprockets.
Does Shimano ESSA REAR DERAILLEUR 8s work with electronic shifting like Di2 or AXS?
No. Shimano ESSA REAR DERAILLEUR 8s is mechanical, cable-actuated. Electronic groups use internal motors and proprietary signalling, so there is no mechanical or electrical path between the two.