Aero Stem - 130mm MFPN=Y79M9802T Derailleur features a steel cage

Derailleur features a steel cage and steel pulley bearings Largest Cog 52 Color Lunar Rear Der/Shifter Compatibility SRAM eTap AXS Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 12 Chain Wrap Capacity (teeth) 42 Cage Length Long

I-Spec B compatible with I-Spec EV adapter option (Sold separately)

High Silica lightweight compound

high-performance setup

Velcro closure Color Assorted Colors

Aero Stem - 130mm MFPN=Y79M9802T Derailleur features a steel cageAn aerodynamically honed stem with adjustable length and angle to optimize your position. Linking handlebar to fork, this stem was developed with Team Dimension Data for the refined ride response and control needed in a critical area of the bike. This stem is intended for negative drop only and cannot be flipped or reversed in a positive rise. The rider makes up 80 90% of total aero drag, so refining your position can produce some of the biggest gains