Shimano Deore RD-M6000-GS Rear Derailleur - 10 Speed, Medium Cage, Black Size:GS (11-42T) Our Performance Lenses are the

Our Performance Lenses are the product of two decades of research and development

Correct Solo Air Piston Assembly

Classic crew styling with internal neck tape for added comfort

A distinct channel along either side of the center knobs

The Revelate Designs Mag-Tank takes a new twist on top tube bags

Shimano Deore RD-M6000-GS Rear Derailleur - 10 Speed, Medium Cage, Black Size:GS (11-42T) Our Performance Lenses are theThe Shimano Deore M6000 Series rear derailleur offers efficient and smooth shifting in order to maintain speed and acceleration in change of terrain. For 2x10 setups Features the Shadow RD+ chain stabilizer system to minimize chain slap