ER9 Rear Derailleur (RD-ER1103-M-A)

Specifications

Manufacturer
LTWOO
Name
ER9 Rear Derailleur (RD-ER1103-M-A)
Series
ER9
MPN
RD-ER1103-M-A
Shifting Type
Wireless
Mount standard
Standard Hanger
Source
Catalog
Drivetrain Brand
Other
Electronic Shifting Family
Ltwoo Electronic
Rear Speeds
11

LTWOO ER9 Rear Derailleur (RD-ER1103-M-A)

Rear Derailleur

Loading offers…

Compatibility

This LTWOO ER9 Rear Derailleur (RD-ER1103-M-A) is a LTWOO General rear derailleur. It requires a 11-speed drivetrain and compatible components. It is designed for wireless shifting systems. For best performance, use with other ER9 components, though it is mechanically compatible with the parts listed below.

Compatible Cranksets20

105 CRANKSET 2X11sCompatible

Shimano

105 CRANKSET 2X11s

  • Matches required 11-speed standard
  • Uses shimano hg standard
ALFINE CRANKSET WITH CHAIN GUARDCompatible

Shimano

ALFINE CRANKSET WITH CHAIN GUARD

Carbon GX Eagle CranksetCompatible

SRAM

Carbon GX Eagle Crankset

  • Matches required 11-speed standard
CRANKSET 1x11/10/9sCompatible

Shimano

CRANKSET 1x11/10/9s

  • Matches required 9/10/11-speed standard
  • Uses shimano hg standard
CRANKSET 2X11sCompatible

Shimano

CRANKSET 2X11s

  • Matches required 11-speed standard
  • Uses shimano hg standard
CRANKSET CHAIN LINE 3 MM OUTBOARD 2X11sCompatible

Shimano

CRANKSET CHAIN LINE 3 MM OUTBOARD 2X11s

  • Matches required 11-speed standard
  • Uses shimano hg standard
CUES 2-PIECE CRANKSET 1X11/10/9s (FC-U6000-1)Compatible

Shimano

CUES 2-PIECE CRANKSET 1X11/10/9s (FC-U6000-1)

  • Matches required 9/10/11-speed standard
  • Uses shimano hg standard
CUES 2-PIECE CRANKSET 1x11/10/9s (FC-U6030-1)Compatible

Shimano

CUES 2-PIECE CRANKSET 1x11/10/9s (FC-U6030-1)

  • Matches required 9/10/11-speed standard
  • Uses shimano hg standard
CUES 2-PIECE CRANKSET 2X11/10/9s FOR 148 MM O.L.D. U4000Compatible

Shimano

CUES 2-PIECE CRANKSET 2X11/10/9s FOR 148 MM O.L.D. U4000

  • Matches required 9/10/11-speed standard
  • Uses shimano hg standard
CUES 2-PIECE CRANKSET 2X11/10/9s FOR 148 MM O.L.D. U6000Compatible

Shimano

CUES 2-PIECE CRANKSET 2X11/10/9s FOR 148 MM O.L.D. U6000

  • Matches required 9/10/11-speed standard
  • Uses shimano hg standard
CUES 2-PIECE CRANKSET 2X11/10/9s U4000Compatible

Shimano

CUES 2-PIECE CRANKSET 2X11/10/9s U4000

  • Matches required 9/10/11-speed standard
  • Uses shimano hg standard
CUES 2-PIECE CRANKSET 2X11/10/9s U6000Compatible

Shimano

CUES 2-PIECE CRANKSET 2X11/10/9s U6000

  • Matches required 9/10/11-speed standard
  • Uses shimano hg standard
CUES CRANKSET 1X11/10/9sCompatible

Shimano

CUES CRANKSET 1X11/10/9s

  • Matches required 9/10/11-speed standard
  • Uses shimano hg standard
CUES CRANKSET 2X11/10/9sCompatible

Shimano

CUES CRANKSET 2X11/10/9s

  • Matches required 9/10/11-speed standard
  • Uses shimano hg standard
CUES CRANKSET 2X11/10/9s FOR 148 MM O.L.D.Compatible

Shimano

CUES CRANKSET 2X11/10/9s FOR 148 MM O.L.D.

  • Matches required 9/10/11-speed standard
  • Uses shimano hg standard
CUES CRANKSET HOLLOWTECH II 1x11/10/9sCompatible

Shimano

CUES CRANKSET HOLLOWTECH II 1x11/10/9s

  • Matches required 9/10/11-speed standard
  • Uses shimano hg standard
CUES HOLLOWTECH II CRANKSET 1X11/10/9sCompatible

Shimano

CUES HOLLOWTECH II CRANKSET 1X11/10/9s

  • Matches required 9/10/11-speed standard
  • Uses shimano hg standard
CUES HOLLOWTECH II CRANKSET 2X11s U6000Compatible

Shimano

CUES HOLLOWTECH II CRANKSET 2X11s U6000

  • Matches required 11-speed standard
  • Uses shimano hg standard
CUES HOLLOWTECH II CRANKSET 2X11s U8000Compatible

Shimano

CUES HOLLOWTECH II CRANKSET 2X11s U8000

  • Matches required 11-speed standard
  • Uses shimano hg standard
DEORE CRANKSET FOR 135/142 MM O.L.D. FRAMES 2X11sCompatible

Shimano

DEORE CRANKSET FOR 135/142 MM O.L.D. FRAMES 2X11s

  • Matches required 11-speed standard
  • Uses shimano hg standard

Compatible Chains14

ALFINE DOUBLE PULLEY CHAIN TENSIONERCompatible

Shimano

ALFINE DOUBLE PULLEY CHAIN TENSIONER

ALFINE SINGLE FIXED PULLEY CHAIN TENSIONERCompatible

Shimano

ALFINE SINGLE FIXED PULLEY CHAIN TENSIONER

CHAIN DEVICE D-TYPE MOUNTCompatible

Shimano

CHAIN DEVICE D-TYPE MOUNT

  • Uses shimano hg standard
CHAIN DEVICE E-TYPE MOUNTCompatible

Shimano

CHAIN DEVICE E-TYPE MOUNT

  • Uses shimano hg standard
CHAIN DEVICE ISCG05 MOUNTCompatible

Shimano

CHAIN DEVICE ISCG05 MOUNT

  • Uses shimano hg standard
CN-HG601-11 LINKGLIDE, HG CHAIN 11sCompatible

Shimano

CN-HG601-11 LINKGLIDE, HG CHAIN 11s

  • Matches required 11-speed standard
  • Uses shimano linkglide standard
CN-HG701-11 LINKGLIDE, HG CHAIN 11sCompatible

Shimano

CN-HG701-11 LINKGLIDE, HG CHAIN 11s

  • Matches required 11-speed standard
  • Uses shimano linkglide standard
CN-LG500 LINKGLIDE CHAIN 10/11s Compatible

Shimano

CN-LG500 LINKGLIDE CHAIN 10/11s

  • Matches required 11-speed standard
  • Uses shimano linkglide standard
PC-1110 ChainCompatible

SRAM

PC-1110 Chain

  • Matches required 11-speed standard
  • Uses standard standard
PC-1130 ChainCompatible

SRAM

PC-1130 Chain

  • Matches required 11-speed standard
  • Uses standard standard
PC-1170 ChainCompatible

SRAM

PC-1170 Chain

  • Matches required 11-speed standard
  • Uses standard standard
PC-X1 ChainCompatible

SRAM

PC-X1 Chain

  • Matches required 11-speed standard
  • Uses standard standard
PowerLock Chain Connector 11-SpeedCompatible

SRAM

PowerLock Chain Connector 11-Speed

  • Matches required 11-speed standard
  • Uses standard standard
RED 22 ChainCompatible

SRAM

RED 22 Chain

  • Matches required 11-speed standard
  • Uses standard standard

Compatible Cassettes16

105 HG CASSETTE 11sCompatible

Shimano

105 HG CASSETTE 11s

  • Matches required 11-speed standard
  • Uses shimano hg standard
11-34T HG CASSETTE 11sCompatible

Shimano

11-34T HG CASSETTE 11s

  • Matches required 11-speed standard
  • Uses shimano hg standard
ALFINE SINGLE SPROCKETCompatible

Shimano

ALFINE SINGLE SPROCKET

DEORE HG CASSETTE 11sCompatible

Shimano

DEORE HG CASSETTE 11s

  • Matches required 11-speed standard
  • Uses shimano hg standard
DEORE XT HG CASSETTE 11s Compatible

Shimano

DEORE XT HG CASSETTE 11s

  • Matches required 11-speed standard
  • Uses shimano hg standard
DURA-ACE HG CASSETTE 11sCompatible

Shimano

DURA-ACE HG CASSETTE 11s

  • Matches required 11-speed standard
  • Uses shimano hg standard
HG CASSETTE 11s Compatible

Shimano

HG CASSETTE 11s

  • Matches required 11-speed standard
  • Uses shimano hg standard
LINKGLIDE CASSETTE 11s (CS-LG400-11)Compatible

Shimano

LINKGLIDE CASSETTE 11s (CS-LG400-11)

  • Matches required 11-speed standard
  • Uses shimano linkglide standard
LINKGLIDE CASSETTE 11s (CS-LG700-11)Compatible

Shimano

LINKGLIDE CASSETTE 11s (CS-LG700-11)

  • Matches required 11-speed standard
  • Uses shimano linkglide standard
PG-1130 CassetteCompatible

SRAM

PG-1130 Cassette

  • Matches required 11-speed standard
  • Uses standard standard
PG-1170 CassetteCompatible

SRAM

PG-1170 Cassette

  • Matches required 11-speed standard
  • Uses standard standard
ULTEGRA HG CASSETTE 11sCompatible

Shimano

ULTEGRA HG CASSETTE 11s

  • Matches required 11-speed standard
  • Uses shimano hg standard
XG-1150 FULL PIN CassetteCompatible

SRAM

XG-1150 FULL PIN Cassette

  • Matches required 11-speed standard
  • Uses standard standard
XG-1175 FULL PIN CassetteCompatible

SRAM

XG-1175 FULL PIN Cassette

  • Matches required 11-speed standard
  • Uses standard standard
XG-1195 X-DOME CassetteCompatible

SRAM

XG-1195 X-DOME Cassette

  • Matches required 11-speed standard
  • Uses standard standard
XG-1199 X-DOME CassetteCompatible

SRAM

XG-1199 X-DOME Cassette

  • Matches required 11-speed standard
  • Uses standard standard

Frequently Asked Questions

What fits with LTWOO ER9 Rear Derailleur (RD-ER1103-M-A)?

LTWOO ER9 Rear Derailleur (RD-ER1103-M-A) is compatible with cranksets, chains, cassettes, shifters that match its technical standards. Most importantly, it requires matching 11-speed components.

Can I use a higher or lower speed chain with LTWOO ER9 Rear Derailleur (RD-ER1103-M-A)?

No, LTWOO ER9 Rear Derailleur (RD-ER1103-M-A) requires a 11-speed chain. Chains for different speeds have different external widths and internal profiles, which will cause poor shifting or mechanical interference.