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SRAM SX Eagle rear derailleur, 12-speed, long cage

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RRP 99.99 
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Delivery method on Tuesday 09.06.2026
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Sram SX Eagle derailleur

The new SX Eagle™ derailleur is the gateway to the SRAM Eagle Ecosystem. It shares many proven features with other Eagle Ecosystem lines, such as the X-HORIZON™ derailleur body design (specifically designed for SRAM 1X drivetrain) and compatibility with 11-50 and 10-50 range cassettes. The SX Eagle is compatible with most of the Eagle series, so you can easily modify or upgrade the entire drive to your preferences when you need it.
Product features
Full-fledged Eagle derailleur, compatible with the entire Eagle colour range
X-SYNC™ pulley technology enables better efficiency, more precise shifting and quieter operation
Cage Lock technology also allows recreational riders to easily remove the rear wheel
Product details
Groupset SRAM SX
Gears 2x12, 1x12
Control type mechanical
Technical designation RD-SX-1-B1
Cage type Long
Max. number of teeth 50T
Material bearings, pulleys, cage: steel
derailleur body: aluminium
Weight 340 g
product ID 126408
Product rating  (9 ratings)
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So far, I have ridden more than 6,000km in the mountains (e-bike), because I am satisfied with this model, I am buying a second one as a precaution... it can be easily set to an 11 cassette, 11-51T gearing

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SK Menil som za takú istú, sram je vždy dobrá voľba ktorá nesklame, cena primeraná , ,nabehané už asi 2000 km, radí stále tak ako má, zatiaľ spokojnosť.

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It's easy to set up, maybe they put a pulley there unnecessarily, through which the cable has to be passed through the tunnel. You need a little patience, otherwise it's great

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I changed piece by piece. Setup was no problem after watching your video, which I really appreciate.

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SK prehadzovačka na e-bajku max. spokojnosť

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paradise

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Product questions
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SK Dobrý deň mám Sram SX prehadzovačku už 5 rokov a teraz sa mi stala táka vec, že na 8prevode reťaz trhá a preskakuje občas to robí aj na siedmom inac všwtko ide pekne,treba už kupiť novú??(v servise už bola trikrát ale vždy dačo opravili ale vratila sa stou istou chybou

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SK A pri pedáľovaní do zadu na prvej kladne od hora pomaly zhodí reťaz

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HU cseréld ki a kazettasort

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SK Dobry den, tazko takto nadialku identifikovat problem
Prehadzovacka je dobre nastavena? Lanko spravne napnute, dorazy nastavene ako maju byt? V akom stave su zuby kazety - nie su zjazdene (viac tvar do "trojuholnika", zbrusene hrany)? Retaz nie je vytahana?

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SK Reťaz je nová, lanko tieš doraz a presnosť nanovo nastavená,patka vyrovnaná,žloženie na ktorom je kazeta je tiež nové,tak môžem poslať video ale neviem či sa to dá z toho vidieť.

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SK Pozrem sa zajtra na tie zuby a môžem posľať aj video ale sem nejde priložiť tak neviem kde ale dakujem za vašu odpoved

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SK Dobrý deň zaujímalo by ma či zvládne prehadzovačka radiť niekoľko prevodov naraz alebo radšej radiť po jednom postupne pretože v servise mi povedali ze nie je moc na to stavaná iba tie vyššie modely preto sa chcem uistiť že ju moc nenámaham. Za odpoveď vopred ďakujem

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SK Dobrý deň,

Pokiaľ nebudete prehadzovať pod veľkou záťažou (tzn. v zábere) tak by nemal byť problém.

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SK Ďakujem pekne nečakal som takú skorú odpoveď som rád že sa nemusím toho báť nikdy neradím pod záťažou

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SK Dobrý den, chcem sa optat, mám na gravelu sram Apex 1x12 a chcem tam nahodit XC kazetu (velku) a potrebujem ktemu aj prehazovacku a otazka znie ci mi tato prehazovacka bude fungovat s paku sram Apex

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SK Dekuju, to sem vubec nevdel ze je aj Apex vtejto verzii tak vtem pripade objednam ten Apex 👍

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SK Dobry den.Chcem sa opytat potrebujem ku upevneniu prehadzovacky na koleso nieco dokupovat?.Pripajam foto.

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SK Dobrý deň, prehadzovačka sedí na štandardné pätky bicyklov, dokupovať nie je potrebné nič ďalšie.

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SK Dobrý deň, bude mi tato prehadzovacka fungovat s kazetou sunrace 11-51T? Dakujem

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SK Dobrý deň,

Prehadzovačku môžete použiť.

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SK Dobry den, vedeli by ste mi odporucit kladky pre tuto prehadzovacku?? , dakujem

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SK skoda... a nahodou nejaka nahrada za nich nie je??

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SK tak budu musiet este posluzit tie stare, dakujem za odpoved

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SK Dobry den mam otazku je tato prehadzovacka uzamikatelna aby neskákala?

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SK Dobry den,

vsetky Eagle prehadzovacky disponuju ramienkom so zamkom.

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Sram, founded in 1987 in the USA, has brought many revolutionary solutions through the years. While the brand flourished, they took other brands under their wings, such as Sachs, Rock Shox, Avid, Truvativ, Zipp or Quarq. At the beginning of the new millennium, Sram focused on components for road cycling while beating concurrence with electronic wireless switching.

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