Shimano 105 5800 11 Speed Rear Derailleur Cage Length:Medium (GS) Selle San Marco Concor Lightweight

Selle San Marco Concor Lightweight Racing / Road Saddle - Red & White

Alloy body with composite lower cover

It has an SG-X design and is integrated into the Shimano HyperDrive drivetrain system

Easy mount and remove for charging

Hydraulic disc brake system for cyclocross and road bike

Shimano 105 5800 11 Speed Rear Derailleur Cage Length:Medium (GS) Selle San Marco Concor LightweightShimano 105 5800 11 Speed Rear Derailleur The Shimano 105 5800 rear derailleur gives awesome shifting under all conditions. Increase rigidity and reliable long term quality with this 11 speed 105 rear derailleur. Wide link design for increased rigidity and precise gear shifts 11 tooth pulleys for reduced pulley wear and chain noise Pulleys feature sintered alloy bushings for smooth running performance Compatible with 11 speed drivetrains Super light