SRAM XX1 Copper 12sp Cassette XG-1299, 10-52t


SRAM XX1 Copper 12sp Cassette XG-1299, 10-52t

Range: 10-52t
Defined Color: Copper
Weight: /- 374g
Manufacturer Part Number: 00.2418.107.000

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SRAM XX1 Copper Cassette PG-1299 pn 00.2418.107.000

SRAM XX1 Copper 12sp Cassette XG-1299 10-52t

The SRAM XX1 Copper Cassette XG-1299 10-52t provides a great accent to a variety of builds.

Featuring an 10-52t range this XX1 Copper Cassette provides excellent gear range. Truly pieces of art, the machining on the XX1 cassettes is amazing.

All SRAM Eagle cassettes are E-Bike and E-MTB approved.

Available in Gold, Copper or Rainbow the XX1 AXS colorway.

Titanium Nitride surface treatment reduces friction and enhances wear

SRAM 12sp Eagle lineup components will interface up or down models.

Ensure the best performance of your new drivetrain with proper chain lube procedures. Check out a post on how important the right lube is here!

SRAM 52t vs 50t cassette weight and largest cog

10-52t compared to 10-50t

SRAM cassettes are offered in both 52t and 50t options.

The larger 52t cassettes require AXS or the 520% rear derailleurs.

As expected the machined 52t cassette options weigh in approximately 12g more than the 50t models. The image above shows how the 52t (left) cog has been redesigned with less “rays” with an additional “circle” support on the pin radius of the machined cogs.

Since the second smallest cog is 42t on both options you can expect slightly faster shifting with the 50t option. It’s a good practice to “clutch” shift into the largest ring on your cassette to minimize premature wear.

SRAM XX1 Copper Cassette PG-1299 Weight 374g

SRAM XX1 Copper Cassette PG-1299 10-52t

  • Cassette Body Type: SRAM XD 11/12 Speed
  • Cassette Cogs: 10-12-14-16-18-21-24-28-32-36-42-52
  • Drivetrain Speeds: 12
  • Range: 10-52
  • Designed for ebike: Yes
  • Color: Copper
  • Manufacturer Part Number: 00.2418.107.000
  • UPC: 710845853074
  • Weight: +/- 374g
SRAM XX1 X01 machined cassette vs GX stamped steel

Machined versus Stamped & Pinned Manufacturing

If you compare the SRAM cassette lineup you’ll note that the XX1 XG-1299 and XO1 XG-1295 have the 10-42t, or bottom 11 speeds, made of a one piece machined block steel. A titanium nitrite surface treatment that helps reduce friction with the chain and thus improves the cassette’s service life.

The GX XG-1275 cassette instead utilizes cogs made of stamped steel. These individual cogs are then connected with stainless pins visible from both the front and rear of the cassette.

SRAM XX1 X01 machined cassette versus GX stamped steel weights

Machined versus Stamped & Pinned Weight

Looking at the weight difference between the machined XX1 and X01 cassettes compared to the stamped and pinned GX you’ll find a notable difference.

The52t  XX1 Copper Cassette weighed in at 374g while 52t GX cassette came in 81g heavier at 455g. This translates to a 0.18lb difference.

Other SRAM Eagle Cassettes

XX1 10-52t

SRAM XX1 Copper Cassette pn 00.2418.107.000
XX1 Copper Cassette: SRAM pn 00.2418.107.000 (this page)


SRAM XX1 Gold Cassette pn 00.2418.107.001

XX1 Gold Cassette: SRAM pn 00.2418.107.001

SRAM XX1 AXS Cassette pn 00.2418.107.002
XX1 AXS Rainbow Cassette: SRAM pn 00.2418.107.002

X01 10-52t

SRAM X01 Cassette pn 00.2418.108.000
X01 Cassette: SRAM pn 00.2418.108.000

GX 10-52t

SRAM GX Cassette pn 00.2418.109.000
GX Cassette: SRAM pn 00.2418.109.000

XX1 10-50t

XX1 Gold Cassette: SRAM pn 00.2418.072.000

SRAM XX1 AXS Cassette 10-50t 00.2418.072.000

XX1 AXS Rainbow Cassette: SRAM pn 00.2418.098.000

X01 10-50t

SRAM X01 Cassette 10-50t pn 00.2418.071.000

X01 Cassette 10-50t: SRAM pn 00.2418.071.000

GX 10-50t

SRAM GX Cassette 10-50t pn 00.2418.078.000

GX Cassette 10-50t: SRAM pn 00.2418.078.000

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