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SRAM GX DH 1x - X-HORIZON - Rear Derailleur - 7-speed - Type 3.0 - black

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Description of SRAM GX DH 1x - X-HORIZON - Rear Derailleur - 7-speed - Type 3.0 - black

Dependability and durability translate to performance and long-term value.
The GX DH™ derailleur system incorporates technologies from the industry-leading X01 DH™ drivetrain into a more approachable package. The product designers of SRAM have focused on what matters most and cut zero corners, so this workhorse won’t slow down your ride — or lighten your wallet.

Focus on the line

In the gravity world, focus is paramount. So when the SRAM engineers designed the GX DH 1x X-HORIZON™ rear derailleur, they ensured that your attention can stay on the singletrack. Its award-winning roller bearing clutch system keeps the unwanted noise of chain slap and the risk of chainsuck to a minimum. Reliable, precise and incredibly easy to shift, this DH derailleur takes a championship pedigree and brings it to every rider.

  • Type 3.0
  • The GX 1x X-HORIZON™ Rear Derailleur is an integral part of the SRAM 1x™ DH drivetrain system
  • Affordable fully-featured DH rear derailleur
  • X-ACTUATION™ for precise and dependable 7-speed performance
  • Fully compatible with the SRAM X01 DH drivetrain
  • X-HORIZON™ design that reduces shift force, ghost shifting and cage slap
  • 12-tooth X-SYNC™ pulley wheels

Technologies of the SRAM GX DH 1x - X-HORIZON - Rear Derailleur - 7-speed - Type 3.0


The X-HORIZON™ rear derailleur's 'straight parallelogram' design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift force. For quicker, more exact shifting, the large upper pulley offset design maintains a constant chain gap across all gears.


Developed specifically for SRAM X1, X-ACTUATION™ keeps shifting sharp and consistent across the entire 10-42T cassette. Multi-adjustable trigger shifter. MatchMaker X compatible.


ROLLER BEARING CLUTCH™ rear derailleurs deliver maximum drivetrain stability-even through the most punishing terrain. With ROLLER BEARING CLUTCH™ technology, derailleur bounce and chain slap are eliminated without sacrificing precision.


With CAGE LOCK™ technology in the rear derailleur, wheel removal and installation-as well as chain installation-becomes faster and simpler. Just pushing the cage forward to create slack and lock it into place.

Material: Aluminium
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Fact Sheet of SRAM GX DH 1x - X-HORIZON - Rear Derailleur - 7-speed - Type 3.0 - black

Product Name: SRAM GX DH 1x - X-HORIZON - Rear Derailleur - 7-speed - Type 3.0 - black
Manufacturer: SRAM
Item Code: SRA433327
activity: Bike
usage bikesport: MTB
shifting system: 7-speed, 8-speed
smallest sprocket: 10
rear derailleur cage: medium
rear derailleur max. teeth: 28
rear derailleur version: conventional
Model year: 2021
manufacturer item code: 00.7518.129.000
Dangerous goods: no
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