Apex XPLR D1 Rear Derailleur

Description | 

Elevate your adventure setup with the SRAM Apex XPLR Rear Derailleur (RD‑APX‑1‑D1). Specifically crafted for 1x12 drivetrains, this compact powerhouse delivers smooth performance across a wide 12‑speed gear range on up to 44‑tooth cassettes. Its X‑Horizon straight‑parallelogram design keeps chain angle consistent for lightning‑fast, secure shifts, while the clutch maintains tight chain tension. The clever Cage Lock mechanism simplifies wheel removal and chain installation, because even the details matter on long gravel rides or loaded bikepacking setups. Now available at Dismount Bike Shop.

Features & Specs |

• Speeds: 12‑speed compatibility
• Maximum Cog: Supports cassette cogs up to 44 teeth
• Shift System: Mechanical Apex and Eagle compatible
• Design: X‑Horizon straight‑parallelogram geometry for consistent chain gap and minimal shift effort
• Chain Management: Clutch-equipped for steady chain tension and anti‑chain‑drop reliability
• Cage Lock: Mechanism locks the cage forward for rapid wheel or chain removal
• Chain Compatibility: Optimized for SRAM Flattop chains

Usage Tips | 

• Installation Tip: Engage the Cage Lock before removing the rear wheel—it saves time and keeps tension controlled.
• Best Suited For: Gravel, adventure, and bikepacking scenarios where wide-range shifting and chain security matter.
• Shifting Performance: Shift confidently through 12 gears—X‑Horizon keeps shifting precise and responsive.
• Maintenance Advice: Periodic chain and pulleys check can extend performance consistency