Apex gearing guide: https://www.sram.com/en/life/stories/apex-gearing
1x Eagle
Apex Eagle mechanical
The Apex Eagle rear derailleur works with 12-speed mechanical Apex shifters. Just add an Eagle cassette and chain
cassette: 10-52T for XD driver body
--
APEX EAGLE REAR DERAILLEUR RD-APX-152-D1 $125
https://www.sram.com/en/sram/models/rd-apx-152-d1
Eagle range on a drop bar bike? Now that’s a party. The Apex Eagle rear derailleur quietly and quickly shifts across our 12-speed Eagle cassettes, while 1x-specific chain retention technology keeps the chain where it needs to be. It’s the best of our road and mountain bike innovations in one package. Compatible with 50T and 52T Eagle cassettes
Works with 12-speed mechanical Apex and Eagle shifters
Use with Eagle chain
APEX 1 WIDE CRANKSET FC-APX-1W-D1 $110
--
Right - APEX SHIFT-BRAKE SYSTEM SD-APX-D1 $245
The Apex shift-brake lever features our tried and true hydraulic braking platform, now supercharged to 12 speeds to work with our 1x Eagle and XPLR gearing choices. We’ve incorporated the celebrated ergonomics of our AXS controls for optimized control and comfort for the widest range of hand sizes. Reach Adjust allows personalization, and the Stealth-a-majig hose connector makes quick setup a breeze.
Left - APEX DISC BRAKE DB-APX-D1 $205
There’s no need for a shift mechanism, but the Apex disc brake is still packed with features. We optimized the hood shape to fit a wide range of hand sizes, and included Reach Adjust for further personalization.
--
Cassette: https://www.sram.com/en/sram/models/cs-xg-1275-b1. The new 10-52 Eagle cassette for riders who prioritize all day function over anything else. With an expanded, 520-percent gear range giving riders more ability to spin and recover on the burliest climbs. Featuring FULL PIN technology that uses lightweight, precision engineered steel cogs permanently connected with high-strength stainless steel pins. An open design similar to our X-DOME cassette that aids in mud clearance, giving riders crisp shifting performance and longer component life.
$231
MODEL ID
CS-XG-1275-B1
520-percent gear range utilizing the industry standard XD hub driver.
Light and strong FULL PIN technology similar to X-DOME bringing true 1x gear range to more riders and builds.
Lunar and black colorway makes the XG-1275 cassette right at home on any build.