The FD-M618-L features narrow gradations for more efficient pedaling. It also offers a consistently high switching performance and stable chain management. The Dual-Pull technology allows the shifting cable to be pulled from the top or from the bottom. 

Properties of this derailleur 

Fitting for shifting: 2x10-speed
Mounting: Low Clamp
Construction type: Top Swing
Cable route type: Dual Pull 

Clamp diameter 34,9 mm with adapter 28,6/31,8 mm.