MTB CASSETTES
MTB 12sp Cassettes
We carry the best MTB Cassettes from SRAM and Shimano. Both SRAM and Shimano cassettes provide crisp factory precision in the longest lasting designs. 3rd party cassettes tend to have longevity and shift quality issues, so it makes sense to stay with the factory 12sp options!
Within each brand, ie SRAM wtih SRAM, you can mix and match rear derailleurs, shifters, cassettes & chains. Riders may move up or down depending on budget, or sometimes for preferred color.
Replacing your cassette? Chat with our team why replacing the Cassette, Chain and Chain Ring as a group will provide you the best performance throughout the life cycle of the products.
Questions? Not sure which is the best for your riding? No problem. Chat with our team to get the right cassette for your setup.
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Shimano Deore M6100 12sp Cassette 10-51t
$91.99Use Inquiry form for product ETA!
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Shimano SLX M7100 12sp Cassette 10-51t
$104.99Use Inquiry form for product ETA!
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Shimano XT M8100 12sp Cassette 10-45t
$159.99Use Inquiry form for product ETA!
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Shimano XT M8100 12sp Cassette 10-51t
$164.99In-Stock: updated 03/27/24. Ships same or next business day!
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Shimano XTR M9100 12sp Cassette 10-45t
$379.99Use Inquiry form for product ETA!
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Shimano XTR M9100 12sp Cassette 10-51t
$409.99Use Inquiry form for product ETA!
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SRAM GX 12sp Cassette 10-50t, XG-1275
$231.00Use Inquiry form for product ETA!
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SRAM GX 12sp Cassette 10-52t, XG-1275
Sale! $184.80In-Stock: updated 03/27/24. Ships same or next business day!
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SRAM NX 12sp Cassette 10-50t, PG-1230
$108.00In-Stock: updated 03/27/24. Ships same or next business day!
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SRAM X01 12sp Cassette 10-50t, XG-1295
$415.00Use Inquiry form for product ETA!
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SRAM X01 12sp Cassette 10-52t, XG-1295
Sale! $332.00In-Stock: updated 03/27/24. Ships same or next business day!
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SRAM XX1 AXS Rainbow 12sp Cassette 10-50t, XG-1299
$483.00Use Inquiry form for product ETA!
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SRAM XX1 AXS Rainbow 12sp Cassette XG-1299, 10-52t
Sale! $386.40Use Inquiry form for product ETA!
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SRAM XX1 Copper 12sp Cassette XG-1299, 10-52t
Sale! $386.40Use Inquiry form for product ETA!
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SRAM XX1 Gold 12sp Cassette 10-50t, XG-1299
$483.00Use Inquiry form for product ETA!
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SRAM XX1 Gold 12sp Cassette 10-52t, XG-1299
Sale! $386.40Use Inquiry form for product ETA!
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Compare XX1, X01 and GX Cassette Details
Let’s take a quick look at the SRAM Cassette lineup and touch on the details between 10-52t & 10-50t as well as how the machined (XX1 & X01) versus stamped and pinned (GX) cassettes match up!
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.
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.
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.
Let’s take a deeper look at the Shimano and SRAM cassettes.
Both the 12sp Eagle as well as the 12sp HyperGlide+ from Shimano are interchangeable within their branded groups. ie, a XX1 chain paired with a GX cassette and XO1 derailleur will perform fine. SRAM with SRAM and Shimano with Shimano is a safe bet.
SRAM Eagle Cassettes
SRAM cassettes are available in 4 levels – 3 of which utilize the XD driver. All SRAM Eagle cassettes are meet the durability requirements for eMTB riding.
NX PG-1230 Cassette
SRAM NX cassette rear profile view
SRAM NX PG-1230 11-50t
SRAM Part Number: 00.2418.086.000
The SRAM NX PG-1230 Cassette is an 11-50t cassette. Designed for maximum value this is a pinned carrier design.
The NX is unique in the 12sp cassettes as it runs on the previous 8, 9, 10 speed HG driver.
The remainder of the SRAM cassettes require the XD Driver. SRAM Eagle Cassettes for the XD driver are available with a 50t as well as a 52t max gear. The larger cassette requires the larger capacity rear derailleur 52t Max.
XD Driver
GX XG-1275 Cassette
GX cassettes are pinned stamped steel cogs.
GX Cassette
SRAM GX XG-1275 10-50t
SRAM Part Number: 00.2418.078.000
SRAM GX XG-1275 10-52t
SRAM Part Number: 00.2418.109.000
X01 XG-1295 Cassette
XO1 cassettes come in 3 offerings.
XO1 cassette
SRAM XO1 XG-1295 10-52t
SRAM Part Number: 00.2418.108.000
SRAM XO1 XG-1295 10-50t, Polar Grey
SRAM Part Number: 00.2418.099.000
SRAM XO1 XG-1295 10-50t, Black
SRAM Part Number: 00.2418.071.000
All XO1 cassetes feature an aluminum largest cog and Ti-Nitride surface treatment to improve service life.
XX1 XG-1299 Cassette
XX1 cassettes are available in 50t and 52t options in a handful of colors.
Rainbow AXS cassettes are available in both 50 and 52t.
XX1 Rainbow AXS Cassette
SRAM XX1 XG-1299 10-52t, Rainbow
SRAM Part Number: 00.2418.107.002
SRAM XX1 XG-1299 10-50t, Rainbow
SRAM Part Number: 00.2418.098.000
Gold XX1 XG-1299 cassettes are also available in 50 and 52t.
XX1 Gold Cassette
SRAM XX1 XG-1299 10-52t, Gold
SRAM Part Number: 00.2418.107.001
SRAM XX1 XG-1299 10-50t, Gold
SRAM Part Number: 00.2418.072.000
The latest XX1 color Copper is available in a 52t cassette
XX1 Copper Cassette
SRAM XX1 XG-1299 10-50t, Gold
SRAM Part Number: 00.2418.107.000
Shimano 12sp Cassettes
The Shimano 12sp cassettes utilize the MicroSpline driver.
MicroSpline Driver Assembly
Deore CS-M6100 Cassette
Deore M-6100 12sp Cassette
Shimano Deore CS-M6100 12sp Cassette 10-51t
Features all steel cogs for great longevity.
Shimano Part Number: ICSM610012051
SLX CS-M7100 Cassette
SLX M-7100 12sp Cassette
The SLX 12sp cassettes are available in a 10-51t or a 10-45t option. SLX cassettes meet the requirements for eMTB riding.
Shimano SLX CS-M7100 Cassette, 10-51t
Shimano Part Number: ICSM7100051
Shimano SLX CS-M7100 Cassette, 10-51t
Shimano Part Number: ICSM7100045
XT CS-M8100 Cassette
XT M-8100 12sp Cassette
Like the SLX cassettes the XT M7100 cassettes are available in 51t or 45t sizes and meet the requirements for eMTB riding.
Shimano XT CS-M8100 Cassette, 10-51t
Shimano Part Number: ICSM8100051
Shimano XT CS-M8100 Cassette, 10-45t
Shimano Part Number: ICSM8100045
Questions on which 12sp mtb cassette is right for your setup? No problem. Hit us on the web chat, via email or call 949-470-1099 and we can get you the right parts for your repair headed to you ASAP.