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Upgrade to the SRAM Apex XPLR Rear Derailleur today and enjoy smooth, secure shifting on any terrain.
Upgrade to the SRAM Apex XPLR Rear Derailleur today and enjoy smooth, secure shifting on any terrain.
SRAM

SRAM Apex XPLR Rear Derailleur D1 Max 44T 12-Speed - Mechanical

£135.00
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

SRAM Apex XPLR Rear Derailleur D1 Max 44T 12-Speed - Mechanical

Brand:SRAM

Code:RD8177000

Take your gravel, adventure, or bikepacking rides to the next level with the SRAM Apex XPLR Rear Derailleur. Designed for 1x12 drivetrains, this derailleur delivers smooth, reliable shifting across a wide gear range while ensuring maximum chain security. Whether you're tackling steep climbs or flying down descents, the Apex XPLR offers precise and consistent performance.

  • Compatible with 12-Speed Cassettes (Max 44T) – Perfect for gravel, adventure, and bikepacking setups.
  • Works with Flattop Chains – Ensures durability and smooth operation.
  • Supports 12-Speed Mechanical Apex & Eagle Shifters – Versatile compatibility for SRAM mechanical drivetrains.
  • Clutch Mechanism for Chain Stability – Maintains consistent chain tension to prevent drops.
  • X-HORIZON™ Straight Parallelogram Design – Eliminates ghost shifting and reduces shift force.
  • Simple & Reliable 1x Drivetrain Performance – No front derailleur, no hassle, just smooth shifting and optimal chain retention.

The SRAM Apex groupset is built for fun and versatility, whether you're riding gravel trails, exploring new routes, or bikepacking across rugged terrain. Featuring wide-range 1x12 gearing, XPLR or Eagle compatibility, and mechanical or AXS wireless shifting options, Apex keeps your ride simple, reliable, and adventure-ready.

Technical Information
  • Speed (RD):
    12s
  • Cable pull ratio:
    X-actuation
  • Cage (RD):
    n/a
  • Max tooth:
    44
  • Colour (RD):
    Black
  • Pulley bearings material:
    Steel
  • Cage material (RD):
    Aluminium
Sizing Information
Professional Opinion
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