SRAM XX1 Eagle XG-1299 12-speed Cassette

SRAM XX1 Eagle XG-1299 12-speed Cassette
39 reviews
Bike Type
Number of gears
Cassette Ratio
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349,00 109,00 discount
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  • Free tracked delivery to Portugal
  • Trustpilot review 9.6 out of 74.014 reviews


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Pros & Cons

Pros & Cons

  • Very sturdy and lightweight cassette, because it's cut from a single piece of aluminium.
  • Shifts flexibly and fast due to the precision cut.
  • The titanium-nitride coating makes the cassette very wear-resistant.
  • Golden colour spices up your bicycle!
  • Due to the large openings in the cassette, dirt and mud are less likely to accumulate.
  • This cassette is aimed at cross-country mountain biking. Choose the XG-1295 for enduro use.
Read more on what our customers have to say about this product



Brand SRAM
Bike Type Mountain bike / E-bike
Quality Best
Number of gears 12 speed
Suitable for Sram XD



The Sram XX1 Eagle XG-1299 12-speed cassette is light, extra stiff and looks fantastic. The first 11 sprockets of this cassette are milled out of one piece of steel and an extra aluminium blade is placed behind them. This construction ensures low weight and high rigidity, turning every pedal stroke into speed. The grinding of the sprockets has been done with great precision, which makes for extra fast and smooth shifting.


Different gear ratios
You can choose between a 10/50 and a 10/52 cassette. The advantage of the 10/50 cassette is that the gap between the sprockets is smaller, so you can keep a better cadence. The advantage of the 10/52 is that you can pedal very lightly, even if you have to climb up to 20% during a bikepacking trip!

Compatible with SRAM XD body
This 12-speed cassette fits the existing XD driver. This means the distance between the sprockets is reduced and therefore the chain is also narrower. X-Glide 2 is the latest generation of the SRAM X-Glide technology, optimized for the Eagle 12-speed cassette. It delivers fast and precise shifting performance under load throughout the entire gear range and increases the grip of the chain on the larger sprockets.

• Cassette: XG-1299 12-speed 10-50 (357 grams)*

* Weighed by Mantel


SRAM XD(R) body
This cassette is only compatible with an XD(R) body. With this type of body the cassette is a single piece. You slide the cassette over the body and then you can tighten the lockring. When installing an MTB XD cassette on an XDR body, a 1.85 mm spacer should be placed in between.

Don't forget the assembly grease!
The lockring on your cassette should be tightened up, in most cases up to 40Nm. To be able to loosen the cassette, we recommend you to apply a little bit of assembly paste to the lockring. Our assembly greases can be found here.

User tips

How often should I clean my bike? Regular cleaning ensures that your material lasts longer and that you can enjoy your cycling for longer. How often you need to clean depends on the weather conditions in which you ride. Do you cycle through all kinds of weather, or do you only go out when the sun is shining? It all affects the degree of wear and tear and some people will have to clean their bikes more often than others. Use the schedule below as a guide:

October to March:
• Clean every 200 km
• Rinse after every ride
• Dry and oil the chain after every ride
• Leave the bike to dry at room temperature

April to September:
• Clean every 300 km
• Rinse off after cycling in the rain
• Dry and oil the chain after polishing or rinsing
• Leave the bike to dry at room temperature
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4.9 / 5
Average from 39 reviews
36 reviews
3 reviews
0 reviews
0 reviews
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Photos from customers

Most recent reviews

5 / 5

Top quality and service

- Dave 30 December 2020

5 / 5

AXS chain / cassette

- Keith 9 October 2020

Mantel the servise you give is second to none. The AXS new 520% cassette and chain are brilliant. When things are this going , keep it short and sweet comments wish

5 / 5

Lightweight for the range. Shifts great. Looks cool.

- Carl 13 August 2020

Lighter than my previous, smaller range cassette and the shift performance is excellent.

5 / 5


- Steve 2 June 2020

Lovely colour, light, superbly made, and great service from mantel, highly recommend

Pros & Cons

Nothing to dislike, everything to like

5 / 5

Wonderful piece of kit

- Jeremy 23 March 2020

Bought this to upgrade my Santa Cruz from a 11 speed set up. Mating it to a X01 rear mech and XX1 shifter. Shifts beautifully! Its been an expensiveness upgrade but definitely happy about it. Bought a rainbow / oil slick chain to go with it - make sure you connect the link the right way as I had slipping problems.

Pros & Cons

Looks amazing
Really dont want to get it muddy....

Recommended by the product specialist

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SRAM XX1 Eagle XG-1299 12-speed SRAM XX1 - X01 Eagle XG-1295 12-speed Shimano XTR M9100 12-Speed
39 reviews 17 reviews 5 reviews
Bike Type Mountain bike / E-bike Mountain bike / E-bike Mountain bike
Quality Best Best Best
Number of gears 12 speed 12 speed 12 speed
Suitable for Sram XD Sram XD Shimano Micro Spline
Cassette Ratio 10 / 50 / 10 / 52 10 / 50 / 10 / 52 10 / 45 / 10 / 51
Colour Copper / Gold / Rainbow Black Grey
349,00 299,00 329,00
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