Shimano 105 5800 11 Speed Rear Derailleur Black
Shimano brakes, gears, components and cycling accessories incorporate more than 45 years of cycling vigour built into each design; their experience and expertise make them the popular choice of the professional and amateur cyclist the world over.
Shimano 105 5800 Rear Derailleur
The Shimano 105 gear groupset is a descendant of the Shimano Ultegra 6700 series - both sets can provide your bike with a strong core, designed to push your ride to its full potential and to endure thousands of miles each cycling year. Complement your gears and brakes with Shimano shoes, made for all skill levels and terrain types - with ventilated carbon soles in warmer climates and oversocks for protection in harsher, cold weather condition.
A lighter shifting operation with new spring balance and cable pitch
Short cage compatible with a low gear of 23-28T
Medium cage compatible with a low gear of 28-32T