SRAM SX / GX 1x12-speed Upgrade Kit

  • SRAM SX / GX 1x12-speed Upgrade Kit - Upgrade Kits - Sram - - - - Speedlab


SRAM SX / GX 1x12-speed Upgrade Kit


Price incl. VAT excl. Local Import Taxes & Shipping Costs.

BTBF Members Qualify for a 5% Discount


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The genuine eagle features and performance of SX Eagle completes the full-range SRAM 1x story. SX allows you to use the Eagle silhouette to drive the high-end look throughout the mountain bike line. Every rider thus receives the Eagle form and function.

- 1 x SRAM XG-1275 cassette
- 1 x SRAM SX Eagle 12-speed rear derailleur
- 1 x SRAM SX Eagle 12-speed trigger shifter
- 1 x SRAM PC GX Eagle chain
- 1 x SRAM PowerLock™ FlowLink master link™
- 1 x SRAM bleeding edge tool
- incl. shifter cable (2200 mm)

Specifications - Cassette:
Application: Trail, Enduro
Gearing: 12-speed
Gradation: 10-50 t
Freehub Body Compatibility: 12-speed SRAM XD
Note: To convert to 11-/12-speed SRAM XD, an XD freehub body is required.
Sprocket Material 1 - 11: steel
Sprocket Material 12: aluminium

Technical Information - Cassette:
Series: SRAM GX Eagle

Specifications - Rear Derailleur:
Series: SRAM SX Eagle
Application: Cross Country, Trail, All Mountain, Enduro
Gearing: 12-speed
Mount: standard
Capacity: 50 teeth
Compatibility: SRAM MTB 12-speed
Compatibility - Chains: SRAM NX Eagle

Technical Information - Rear Derailleur:
Derailleur Pulleys: 14 tooth
Material: steel
Other Materials: steel

Specifications - Chain:
Application: XC, Trail, Enduro
Gearing: 12-speed

Technical Information - Chain:
Number of Links: 126
Closure Type: PowerLock™
Pin Type: hollow
Directional: yes
Recommended Groupset: SRAM GX Eagle
Material: steel

Specifications - Shifter:
Series: SRAM SX Eagle
Application: Cross Country, Trail, All Mountain, Enduro
Gearing: 12-speed
Mount: discrete clamp

Technical Information - Shifter:
Type: trigger

Manufacturer Part Numbers:
Cassette: 00.2418.078.000
Rear Derailleur: 00.7518.130.000
Chain: 00.2518.030.011
Shifter: 00.7018.403.000

Will this work on my bike?
See our infographic for help choosing an upgrade kit for your bike.

Does this include a crankset and/or chainring?
No. You may be able to use the crankset or chainring on your existing bike. See our upgrade kit infographic for more information.

Will this fit a boost/non-boost hub?
This will work on both boost and non-boost hubs

I currently run an SX 1x crank, this be compatible?
Yes it will - you are already running a 1x setup, and it will work perfectly. For more information. Please refer to the compatibility guide - "How to choose your 1x setup" - button located in buyer box.

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Hands of Hope

Your Purchase does good, gives back and makes a lasting impact. 5% of profits of all products is donated to the Joyce Meyer Hands of Hope Initiative. No cost to you.

Joyce Meyer Ministries - (

Homes on Heads

With Your Purchase of any Helmet, you contribute to placing more Homes on Heads. Make a lasting impact to those who are homeless, or who may have lost their homes due to any national disaster. 5% of profits of helmets gets donated to the Joyce Meyer Ministries who will help us with this Initiative. No cost to you.

Joyce Meyer Ministries - (


SPEEDLAB ships from Monday to Friday with the exception of public holidays. We ship complete orders only, i.e. the dispatch usually takes place as soon as all ordered items are ready for dispatch. Please contact the SPEEDLAB service team if you wish a partial delivery.


Depending on destination country, package size, volume and weight, SPEEDLAB ships with the carriers German Post, DHL, German parcel service, DPD, USP. Deliveries of bulky goods, for example complete bicycles, will be handled by selected forwarding companies.

For return shipments SPEEDLAB cooperates with German Post, DHL and DPD. Large bulky goods like bicycles will be picked up by a forwarding company.

In Germany and most European countries the are shipped with DHL, Hermes, DPD, UPS, German Post.




  • Germany 5,99 Euro DHL / DPD / Hermes / German post
  • Rest of Europe: 13,99 Euro (DHL, DPD, Hermes)
  • Rest of world: 29,99 Euro DHL
  • Cash on Delivery + 4,9 €


For all items marked with this symbol, which are ordered on business days from Monday to Friday by 3 p.m. (CET), we offer the DHL Express shipping option or UPS for selected delivery countries. The DHL Express&UPS option is subject to an additional surcharge. It can be selected during the ordering process, provided that all items in the shopping cart offer the Express option. In addition the DHL Express option must be available for the selected delivery adress.

An order within the EU usually arrives the following business day. Depending on the postal code of the delivery address, longer parcel delivery times may occur.


  • Germany 15 Euro (DHL, UPS, TNT)
  • Rest of Europe – 49 EURO (DHL, UPS, TNT )
  • Rest of world – on request

In-stock items will be shipped within Germany in 1-2 working days, within Europe and worldwide in 1-3 working days. Unfortunately the delivery at a certain date given by you is not possible due to logistic reasons.

Should the ordered item not be in stock, the delivery time is extended analogue to the delivery in our warehouse. Information regarding the availability can be obtained at +49-7022-9-777-818 or

Please note: The ordered goods may be subject to a partial delivery.

Import Taxes, Customs Duties and Fees / National VAT

The indicated prices including VAT. In addition to the calculated SPEEDLAB shipping costs customers not living in the EU have to pay the national VAT and duty in their country for the imported goods.

Transport Damage

If you receive a damaged shipment please refuse the receipt if possible. Anyway, please get in touch with the Bike24 service team by e-mail or phone as soon as possible. We will be happy to solve the issue.


The SPEEDLAB team will do its best to fulfill your change requests.

The wish to cancel must be declared within 14 days after receipt of the goods. The return must take place within 14 days after the declaration of the cancellation.

Before the actual dispatch of your order, it can still be canceled. Please send us your request as soon as possible using the contact form or call us by phone. Should the payment have been charged already, it will be refunded in a timely manner.

Pack everything you want to return to SPEEDLAB carefully and include your order number. Remove the old shipping label and attach the return label to the package. You can return the package at DHL and Hermes stations. For all other countries: Please contact us with your return request and our customer service will arrange the process. Usually, SPEEDLAB covers the return costs.

A return will be processed at SPEEDLAB within a few working days. Once your request has been successfully processed it will be confirmed by e-mail. A possibly necessary refund will be processed directly afterwards.

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