SRAM GX 1x11-speed Upgrade Kit

Item number: 47245

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to the delivery destination: USA

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GX 1x11-speed Upgrade Kit - black/10-42
GX 1x11-speed Upgrade Kit - black/10-42
GX 1x11-speed Upgrade Kit - black/10-42
GX 1x11-speed Upgrade Kit - black/10-42
GX 1x11-speed Upgrade Kit - black/10-42
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Technical Information - Cassette:

Application: MTB, XC, Trail, Enduro
Material: Steel
Gearing: 11
Gradation: 10- 42 t: 10-12-14-16-18-21-24-28-32-36-42 T
Recommended Groupset: GX 1x11, GX 2x11
Technology: Full Pin™, Jet™, XD Driver
Compatibility: PC-X1 chain, XD™ driver body

Technical Information - Rear Derailleur:

Series: GX
Gearing: 11
Outer Cage Plate Material: aluminium
Inner Cage Plate Material: aluminium
Cage Size: long
Capacity (max.): 42 tooth (long)
Compatibility: SRAM 1x11
Technology: X Actuation™, Cage Lock™, Roller Bearing Clutch™, X-Horizon™, X-Sync™

Technical Information - Chain:

Material: Steel
Gearing: 11-speed
Links: 118
Master Link: PowerLock™
Compatibility: 1x11, 10-42 t cassettes

Technical Information - Shifter:

Series: GX
Body Material: aluminium
Lever Material: aluminium
Recommended Groupset: GX 1x11 / 2x11
Gearing: 11-speed
Gear Indicator: no
Technology: X Actuation™, MatchMaker compatible
Compatibility: SRAM 1:1® rear derailleurs / SRAM-, Shimano front derailleurs


X Actuation™:
Developed specifically for SRAM 1X, X-Actuation™ technology ensures precise and constant shifting along the entire 10-42 tooth cassette.

Roller Bearing Clutch™:
In new X0 and X9 series rear derailleurs, Roller Bearing Clutch Technology ensures that the cage can build tension. A needle bearing prevents any light forward movements, the chain remains under tension and does not hit the strut. This prevents the chain from jumping off even without a chain guide on the crankset.

Cage Lock™:
Due to the Cage Lock™ Technology in the rear derailleur, removing and fitting the rear wheel and chain is quicker and easier than ever before. Simply push the cage forward (to release the chain tension) and lock it.

The parallelogram design of the X-Horizon™ rear derailleur limits movement along the horizontal axis, eliminating ghost shifting and reducing the force required for shifting. The large offset of the upper shifting roller ensures a constant chain distance in every gear for faster and more precise shifting.

X-Sync™ 1X chainrings from SRAM provide the highest performance and durability. Long SRAM X-Sync™ tooth edges grip the chain at a higher rate than standard triangular teeth. The sharp and narrow tooth profile and the rounded bevelled edges support the chain guide. To guarantee the best possible performance on muddy terrain, X-Sync™ chainrings have recesses for the inner chain links and rollers to remove dirt and mud. German-made X-Sync™ chainrings are an important part of SRAM 1x drivetrains.

MatchMaker compatible:
Matchmaker helps save weight and space on your handlebars. This system accommodates Avid®brake levers, numerous SRAM trigger switches, and RockShox PushLoc buttons in the form of a light and neat clamp.

The cassette with its black Jet™ finish not only looks chic, it also offers optimum performance on every ride. The Jet™ finish offers higher corrosion resistance.

Manufacturer Part Numbers:

Cassette: 00.2418.058,000
Rear Derailleur: 00.7518.081,000
Chain: 00.2518.008,007
Shifter: 00.7018.209,002

Note: If you do not yet have a suitable XD freewheel, you can find a selection of freewheels in our shop.


- 1 x SRAM XG-1150 cassette, 10-42 t
- 1 x SRAM GX 1x11-speed rear derailleur
- 1 x SRAM GX trigger shifter, 11-speed,right
- 1 x SRAM trigger clamps
- 1 x SRAM PC X1 chain
- incl. master link
- incl. shifter cable
- not incl. XD driver body
- not incl. cable housing


in stock 2 to 7 days up to 10 days Out of stock inform me
  • black/10-42

Customer Reviews (2)


Customer Reviews (2)


Give us your opinion on this product.

by Fernando L.  on 27.01.2016
verified purchase
4 of 4 customers found this review helpful.

I have previously in my Canondale bike a drivetrain with a SLX I-Spec-B 10Speeds Lever; a SLX 10Speeds rear Derrailler and a Deore 10Speeds Cassete.
My self and I have made the removal of the Shimano's items and the installation of the SRAM GX 1*11- fach Upgrade-Kit. The installation of the new kit was very straight forward, and the tuning of the transmitting was also very straight forward with the reading of the SRAM Manual installation, and if you pay attention to the sounds of the drivetrain when you are trying to tune the derailleur on the 42T cog and on the 10T cog.
After the installation and after some rides what I can say is that it was a huge improvement in terms of shifting. Also the SRAM XD freewheel system based on threads turn out to be much more stiff that shimano's freewheel system (you will notice that when you shift down and make the pedal stroke and ear the sound TRAAAAA, it's so beautiful, it's a sin of work not been wasted).
The SRAM GX also have a button were you press and maintain the derailleur at a fix position that is a very good thing to have when you need to remove or install your wheel.
For this price I consider this option to be much better that installing an independent larger cog (e.g. 42T) or buying a 10Speeds cassette with a 40T ou 42T. For what I have read at webpages there were issues many times with this systems.
Conclusion: If your budget supports the price what I can say is that I would recommend to all of my friends: this 1*11 option; to change to 1*11; and to SRAM XD freewhell system.

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