Specifications
- Manufacturer
- SRAM
- Name
- GX DH 1x X-HORIZON Rear Derailleur
- Series
- GX DH
- MPN
- RD-GX-1DH-A3
- Shifting Type
- Cable
- Chain Standard
- Standard
- Front Speeds
- 1
- Cage Length
- Medium
- Drivetrain Brand
- Sram
- Rear Speeds
- 7
- Max Cog (T)
- 25
SRAM GX DH 1x X-HORIZON Rear Derailleur
Rear Derailleur
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Compatibility
This SRAM GX DH 1x X-HORIZON Rear Derailleur is a SRAM MTB rear derailleur. It requires a 7-speed drivetrain and compatible components. It is designed for cable shifting systems. For best performance, use with other GX DH components, though it is mechanically compatible with the parts listed below.
Compatible Shifters20
RecommendedSRAM
GX DH X-ACTUATION Trigger Shifter
- Matches required 7-speed standard
- Uses cable shifting type
CompatibleShimano
7-Speed Double STI Shifters STA070 Pair
- Matches required 7-speed standard
- Uses cable shifting type
CompatibleLTWOO
A2 Shift Lever (SL-A0716-R)
- Matches required 7-speed standard
- Uses cable shifting type
CompatibleShimano
ALFINE HYDRAULIC DISC BRAKE LEVER I-SPEC B CLAMP BAND
- Uses cable shifting type
CompatibleShimano
ASSIST SWITCH
- Uses cable shifting type
CompatibleShimano
BRAKE LEVER I-SPEC EV CLAMP BAND
- Uses cable shifting type
CompatibleShimano
BRAKE LEVER I-SPEC II CLAMP BAND
CompatibleShimano
CUES HYDRAULIC BRAKE LEVER FOR SINGLE
- Uses cable shifting type
CompatibleShimano
CUES HYDRAULIC DISC BRAKE LEVER I-SPEC II CLAMP BAND
- Uses cable shifting type
CompatibleShimano
CUES HYDRAULIC DUAL CONTROL LEVER FOR DOUBLE
- Uses cable shifting type
CompatibleShimano
DEORE BRAKE LEVER I-SPEC EV
- Uses cable shifting type
CompatibleShimano
DEORE XT 3-FINGER HYDRAULIC DISC BRAKE LEVER
- Uses cable shifting type
CompatibleShimano
DEORE XT BRAKE LEVER
- Uses cable shifting type
CompatibleShimano
DEORE XT BRAKE LEVER I-SPEC EV CLAMP BAND
- Uses cable shifting type
CompatibleShimano
DROPPER SEAT POST LEVER
- Uses cable shifting type
CompatibleShimano
DROPPER SEAT POST LEVER CLAMP BAND MOUNT
- Uses cable shifting type
CompatibleShimano
DROPPER SEAT POST LEVER I-SPEC EV
- Uses cable shifting type
CompatibleLTWOO
EGR Shift Lever (SL-EG1202-R-C)
- Uses cable shifting type
CompatibleLTWOO
EGR Shifter (ST-EG1202-L-C)
- Uses cable shifting type
CompatibleLTWOO
ER9 Shift Switch (SW-ERT1100-2L)
- Uses cable shifting type
Compatible Cassettes4
CompatibleShimano
ALFINE SINGLE SPROCKET
CompatibleSRAM
PG-720 Cassette (CS-PG-720-A1)
- Matches required 7-speed standard
- Uses standard standard
CompatibleSRAM
PG-720 Cassette (CS-PG-720-A2)
- Matches required 7-speed standard
- Uses standard standard
CompatibleSRAM
XG-795 MINI BLOCK Cassette
- Matches required 7-speed standard
- Uses standard standard
Compatible Chains2
Compatible Cranksets13
CompatibleShimano
ALFINE CRANKSET WITH CHAIN GUARD
CompatibleSRAM
Eagle 70 Transmission E-MTB Crank Assembly
CompatibleSRAM
Eagle 90 Transmission E-MTB Crank Assembly
CompatibleSRAM
Eagle S100 Crank Assembly
CompatibleSRAM
GX Eagle E-MTB Crank Assembly
CompatibleShimano
NEXUS CRANKSET
CompatibleSRAM
RED Crankarm Assembly
CompatibleWheelTop
Road Carbon Fiber Crankset (BCD)
CompatibleWheelTop
Road Carbon Fiber Crankset (Direct Mount)
CompatibleSRAM
S-300 Crankset
CompatibleSRAM
X0 Eagle E-MTB Crank Assembly
CompatibleSRAM
XX DH Transmission Crankset
- Matches required 7-speed standard
CompatibleSRAM
XX Eagle E-MTB Crank Assembly
Frequently Asked Questions
What fits with SRAM GX DH 1x X-HORIZON Rear Derailleur?
SRAM GX DH 1x X-HORIZON Rear Derailleur is compatible with shifters, cassettes, chains, cranksets that match its technical standards. Most importantly, it requires matching 7-speed components.
Can I use a higher or lower speed chain with SRAM GX DH 1x X-HORIZON Rear Derailleur?
No, SRAM GX DH 1x X-HORIZON Rear Derailleur requires a 7-speed chain. Chains for different speeds have different external widths and internal profiles, which will cause poor shifting or mechanical interference.
Does this SRAM GX DH 1x X-HORIZON Rear Derailleur work with electronic shifting like Di2 or AXS?
No, this is a mechanical cable-actuated component. Electronic systems use internal motors and proprietary signals that are physically and electrically incompatible with mechanical components.
Can I mix SRAM GX DH 1x X-HORIZON Rear Derailleur with Road components?
While some mechanical standards (like cassette spacing at certain speeds) may overlap, SRAM GX DH 1x X-HORIZON Rear Derailleur is optimized for MTB use. Mixing with Road parts often fails due to differing pull ratios and chainlines.