Shimano 105 5800 Rear Derailleur - GS
Now with 11-speed compatibility and technology borrowed from Ultegra and Dura-Ace, the Shimano 105 RD-5800-GS Rear Derailleur has a new spring mechanism and cable pitch that provides "robust adjustability" for perfect alignment. Shifting action feels light and nearly effortless, even under heavy loads. Wide outer link design offers super-stiff, smooth and precise gear changes while the medium cage design is compatible with 32T rear cogs for climbing and endurance rides.
- New spring mechanism and cable pitch for "robust adjustability"
- Shifting action is lighter than ever
- Stiffer, wide outer link design suppresses flex for more sharp, precise shifts that are faster, smoother and stable
- GS version is compatible with a 32T cassette
- Medium cage design