SRAM GX Eagle lineups have long been the go-to drivetrain for dedicated and budget-minded riders, and it's now available within the new Transmission family! This system retains its unwavering commitment to performance and affordability while incorporating modern upgrades for the next generation of bikes.
The GX Eagle Transmission derailleur offers the same exceptional precision and responsiveness as other derailleurs in the Transmission lineup, with the added benefits of removable skid plates for enhanced protection and easier maintenance.
Thanks to the innovative combination of X-SYNC technology and cassette mapping, the GX cassette enables seamless shifting, especially under heavy load, ensuring smooth gear transitions during the most intense power outputs.
The GX Eagle Transmission DUB crankset sets itself apart, providing uncompromising functionality and a sleek design. Crafted from lightweight aluminum, it strikes a perfect balance between strength and weight reduction.
Additionally, the optional composite removable bashguards serve a practical purpose and safeguard against scratches and dings that commonly occur during gnarly rides.
The GX Eagle Transmission (T-Type) chain is SRAM's toughest chain yet. Meticulously engineered to optimize the Eagle Transmission system, this brand-new T-Type design boasts a unique flat top and solid pins, delivering unparalleled strength and durability to handle the increased torque loads of E-MTBs.
GX Groupset includes:
| Model: | FC-GX-D1 |
| Crank Arm Length: | 165mm, 170mm, 175mm |
| BB Spindle Interface: | DUB |
| BB Compatibility: | All SRAM MTB Wide DUB BBs |
| Speeds: | 12s T-Type |
| Chainring Material: | Aluminum |
| Bolt Circle Diameter: | Direct Mount (DM) |
| Chainline: | 55.0mm |
| Chainring Size: | 32T |
| Weight: | 740 grams (based on 170mm/32T/2G/DUB wide) |
SRAM Eagle Transmission features a SRAM MTB WIDE crank with a 55mm chain line while using the Boost 148mm Over-Locknut Dimension hub standard. Eagle Transmission cassettes move outboard by 2.5mm to optimize for this wider, 55mm chain line. For bikes with SuperBoost 157mm hubs, a 55mm chain line crank can be used. For bikes with a 142mm hub spacing, a 52mm crank must be used.
| Model: | RD-GX-E-B1 |
| Speed: | 12s T-Type |
| Color: | Dark Polar |
| Cage Material: | Steel |
| Max Tooth: | 52 |
| Weight: | 470 grams (without Battery) |
| Model: | CS-XS-1275-A1 |
| Speed: | 12s T-Type |
| Gearing: | 10-52t |
| Cog Finish: | Silver |
| Technology: | XS |
| Cog Sizes: | 10-52t:10,12,14,16,18,21,24,28,32,38,44,52 |
| Weight: | 445 grams (based on Engineering estimate) |
| Model: | EC-AXS-POD-B1 |
| Shifter Type: | Electronic |
| Clamp: | N/A |
| Weight: | 48 grams |
| Model: | CN-TTYP-GX-A1 |
| Outer Link Finish: | Nickel |
| Outer Link Color: | Silver |
| Inner Link Finish: | Chrome Hardened |
| Inner Link Color: | Silver |
| Chain Connector: | PowerLock 12s T-Type |
| Chain Length: | 108 links, 110 links, 112 links, 114 links, 116 links, 118 links, 120 links, 122 links, 124 links, 126 links |
| Pin Variant: | Solid Pin |
| Weight: | 285 grams (based on 126 LINK, PowerLock) |
AXS and
DUB Wide bottom bracket not included.
SRAM Eagle Transmission AXS Compatibility:
The SRAM GX Eagle Transmission AXS Groupset is compatible with the following:
| Frameset: | Any frame that fulfills the “UDH Specification” featuring a hanger-less interface can be upgraded. The lists all UDH bikes that are compatible with Eagle Transmission. |
| Battery: | |
| Bottom Bracket: | SRAM DUB "Wide": , , , , , BSA MTB68SP |
| Chain: | , , or Eagle Transmission chains |
| Chainring: | , , or Eagle Transmission chainring |
| Cassette: | , , or Eagle Transmission cassette |
| Controller: | , |
| Crankset: | , , or Eagle Transmission cranksets |
| Freehub: | SRAM XD compatible freehubs |
| PowerLock: | Eagle Transmission only |
| Rear Derailleur: | , , or Eagle Transmission rear derailleur |
SRAM Eagle Transmission is not compatible with previous-generation Eagle components. However, Eagle Transmission T-Type chainrings are backward compatible with Eagle chains, so they can be used on the current Eagle drivetrains. Non-T-Type Eagle chainrings will not work with Eagle Transmission chains.
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