Shimano 105 RD-5800 Rear Derailleur Cable Barrel Adjuster – Y5YE98030

Need a replacement barrel adjuster for your Shimano 105 rear derailleur?

This genuine Shimano part fits RD-5800 and is also compatible with some Ultegra models.

It's the little adjuster that lets you fine-tune cable tension on the fly.

Brand new, made for road and mountain bikes.

MPN Y5YE98030, EAN 4524667882923.

Outer shell material listed as Angora—probably a typo, but it's the standard Shimano plastic/metal.

Small part, big difference in shifting performance.

Easy to install.

Keep your shifting crisp.