SRAM GX 11-Speed 1x Long Cage Black Clutch Rear Derailleur

The SRAM GX 11-speed 1x long cage is a mechanical 11-speed mountain derailleur with a clutch, sized for 1x drivetrains with a 42t cassette. GX shares the key features of SRAM's higher-priced 11-speed derailleurs at a lower price tier.

It uses SRAM X-Actuation, mounts to a standard hanger, and lists 32t of chain wrap capacity. Weight is 256 g.

Who It's For

• Mountain riders on SRAM 1x11 drivetrains with a 10-42t or 11-42t cassette.
• Riders replacing a worn GX, X1 or NX 11-speed derailleur.
• Consider the GX 2x version if you run a front derailleur.

What to Look For

• Drivetrain: 1x version. A separate 2x version exists for double cranks.
• Cassette: 42t largest cog; 32t capacity.
• Shifter pull: SRAM X-Actuation 11-speed mountain.

Key Features

Clutch. Keeps chain tension up on rough trail so the chain stays quiet and in place.

Long cage. Reaches a 42t cog with 32t of capacity for a single chainring.

Shared features. SRAM gives GX the key features of its higher 11-speed tiers; listed weight is 256 g.

Rider Intent Summary

• Biggest strengths: Clutch and 42t range at a value tier.
• Tradeoffs: 11-speed only; 1x only.
• What makes it different: A dependable replacement for SRAM 1x11 mountain bikes.

Victory's Take

We go through a lot of GX 11-speed derailleurs keeping trail bikes running. Victory Bicycle Studio can confirm 1x vs 2x before you order.

Specifications

• Brand: SRAM
• Model: GX 11-speed (1x)
• Drivetrain speeds: 11
• Largest cog: 42t
• Chain wrap capacity: 32t
• Cage length: Long
• Mount type: 10x1 standard
• Shifter compatibility: SRAM X-Actuation
• Clutch: Yes
• Color: Black
• Weight: 256 g
• Part number: 00.7518.081.000