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⚡ Shift into the future with SRAM X4 – where durability meets precision!
The SRAM Schaltwerk ESP X4 is a high-performance rear derailleur compatible with 7-, 8-, and 9-speed drivetrains. Featuring a lightweight alloy and composite construction, it weighs just 280 grams while offering a long cage design capable of handling up to 45T chain wrap capacity. Its precise 1:1 actuation ratio and standard 10x1 mount make it an ideal upgrade for mountain biking and gravel adventures, delivering reliable, smooth shifting across a wide gear range.
| ASIN | B001FC9HRO |
| Best Sellers Rank | #118,187 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #60 in Rear Bike Derailleurs |
| Brand Name | SRAM |
| Case Material Type | Aluminium |
| Color | Black |
| Customer Reviews | 4.3 4.3 out of 5 stars (961) |
| Global Trade Identification Number | 00710845609671 |
| Included Components | Rear derailleur |
| Item Dimensions L x W x H | 9"L x 6"W x 3"H |
| Item Highlight | SRAM X4 7/8/9-Speed Long Cage Rear Derailleur - Lightweight Alloy & Precise Shifting |
| Item Type Name | 09A RD X.4 LONG CAGE BLACK |
| Item Weight | 120 g |
| Manufacturer | SRAM |
| Manufacturer Part Number | 409000003_Schwarz |
| Material Type | Aluminum |
| Model Number | 141970 |
| Mount Type | Standard |
| Number of Items | 1 |
| Number of Teeth | 18 |
| UPC | 022255067942 710845609671 617717230530 783847018567 508939706913 |
| Warranty Description | Limited Warranty |
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