Shimano ESSA REAR DERAILLEUR 8s

Rear Derailleur

ESSA REAR DERAILLEUR 8s

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. [1] AI-extracted, not yet checked against a named source (added 10 Feb 2026): Shifting Type
  2. [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

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.