Derailleur Cable Tensioner Jagwire (x2)

You will find Jagwire cable tension adjusters all over the world. They allow riders to easily and safely access derailleur adjustments without having to stop. From the ingenious Rocket to the sleek and stylish new J2, Jagwire makes adjustments easy. 2 x 50mm long (4mm) derailleur hoses includedNOT recommended for use with braking systems.