52 ASA Aluminum Extensions Length:340mm so they can be switched

so they can be switched if they wear out

The XX SL Eagle Transmission derailleur delivers

Three height adjustments

DYNEEMA® DIALS SYSTEM PLUS INTEP CLOSURE:

52 ASA Aluminum Extensions Length:340mm so they can be switchedIntroducing the 52ASA the next evolution of our wildly popular Aero Shaped Carbon (ASC) extensions, now available in a sleek, high performance aluminum. Crafted with an advanced multi stage forming process, the 52ASA brings the same arm hugging benefits of our iconic shaped extensions, all at a more affordable price. The core innovation behind the ASA series is simple: shift the extension sideways to seamlessly align with your arm's natural position,