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SRAM Eagle Transmission

Shop new 2023 SRAM Transmission drivetrains at TPC - The Pro's Closet. Browse groupsets like the all-new GX Eagle, XO, and XX complete drivetrains.

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During a 6-year history of Eagle and 11-years of the dedicated 1x drivetrain, we’ve refined the facets of the system we control. Even with this legacy, we wondered whether a new level of performance was possible, not just for SRAM’s benefit, but to help riders and improve the ride as a whole. So, we rethought the entire interface between frame, wheel, and drivetrain. 

Eagle Transmission is a first-of-its-kind approach to the mountain bike drivetrain that sets a new bar and new expectation to the whole system.

SRAM Transmission Groupset Specs & Comparison Chart

2023 Groupsets

Weight (Full Groupset)



GX Eagle Transmission



1x12 (10-52T)

XO Eagle Transmission



1x12 (10-52T)

XX SL Eagle Transmission


$2,199 ($2,699 w/ powermeter)

1x12 (10-52T)

XX Eagle Transmission


$2,049 ($2,299 w/ powermeter)

1x12 (10-52T)

Eagle Transmission has been designed and engineered into tangible technology for the world’s most demanding riders. Built around the universal constant of the wheel axle itself, Eagle Transmission is a radically robust, fully integrated and interdependent wireless transmission that literally changes how we ride. 

It simplifies, strengthens, and extends lifespan to new limits. It uses no derailleur hanger or adjustment screws and lets you shift flawlessly under maximum power. Eagle Transmission drops a seismic shift on what it means to shift a mountain bike.

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