![Replaceable Derailleur Hanger - Dropout 584](http://senacrecycles.co.uk/cdn/shop/products/wmd584.jpg?v=1704986029&width=1445)
![Replaceable Derailleur Hanger - Dropout 584](http://senacrecycles.co.uk/cdn/shop/products/wmd584_03.jpg?v=1704986029&width=1445)
![Replaceable Derailleur Hanger - Dropout 584](http://senacrecycles.co.uk/cdn/shop/products/wmd584_02.jpg?v=1704986029&width=1445)
![Replaceable Derailleur Hanger - Dropout 584](http://senacrecycles.co.uk/cdn/shop/products/wmd584_01.jpg?v=1704986029&width=1445)
- Upgrade or replacement rear derailleur dropouts; stiffer and more rigid to improve shifting performance
- CNC machined from solid 6061 aluminium to exact tolerances
- Stiffer than any original equipment hanger which improves shifting performance
- Still breaks before your frame does to perform its main function
- Direct replacement for original equipment with guaranteed fit
- Black anodised for extra scratch and damage resistance
- Laser etched for easy part identification