SRAM
SRAM S100 (SX) Eagle 12 Speed Rear Derailleur
From £55.00
Lowest ever £55.00 · seen 20 August 2026
2 retailer offers
The current best price for SRAM S100 (SX) Eagle 12 Speed Rear Derailleur is £55.00 from Tweeks Cycles. The lowest price we have recorded is £55.00 on .
Based on 10-years of experience with Eagle drivetrain, Eagle S100 delivers a modernized derailleur with improved bushing fitment process for long term durability and precision. Eagle is a promise of accurate and purposeful shifting, and S100 delivers a high performing, 500% range derailleur built to excel in high-torque use, in all conditions, for all riders.Key Features:Mounting bolt is Half Mount ready. Pair with a UDH and Half Mount plate for increased derailleur hanger securityUtilizes proven Drag Spring cage damper for confident chain retentionMax 500-percent range for pairing with 11-50t or 10-50t Eagle cassettesX-Actuation for use with Eagle Drivetrain shifters
Current offers
| Retailer | Price | Stock | Link |
|---|---|---|---|
| Tweeks Cycles | £55.00 | In stock | Get deal(opens in a new window) |
| Tredz | £56.00 | In stock | Get deal(opens in a new window) |
Always confirm on the merchant site before buying.
Price history
| Date | Retailer | Price | Link |
|---|---|---|---|
| 20 Aug 2026, 06:07 | Tweeks Cycles | £55.00 | Visit retailer(opens in a new window) |
| 10 Aug 2026, 21:59 | Tweeks Cycles | £55.99 | Visit retailer(opens in a new window) |
| 10 Aug 2026, 21:58 | Tredz | £56.00 | Visit retailer(opens in a new window) |
Observations are stored when a feed price or stock status changes. Early history may only show the first sighting until the next change.