Sram New Red Gear WiFli 10v middle box

Sram New Red Aero Glide middle box WiFLi derailleur (middle box)

• Speeds: 10v
• Technology: Aeroglide, new pulley tooth design with a damping sound effect for a very efficient and quiet driving experience. The lower and upper pulleys benefit from this feature.
• Exact Actuation and WiFLi SRAM Technology which is based on the compact 2 x 10, two front chainrings and ten gears at the rear. Design inherent to the SRAM Apex and its rival, offering a wider range of speeds than the standards. It increases speed through two chainrings and ten gears, and with a significant reduction in weight. It's SRAM's newest technology, continuing to innovate the riding experience.
• Weight: 167g
• Materials: Carbon and titanium