Upper12T/Lower16T derailleur cage for SRAM® RED AXS/FORCE/RIVAL 12 speed system.

Compatible with SRAM RED AXS E1 and FORCE AXS E1 road bike rear derailleurs. The 12T upper pulley wheel and 18T lower pulley wheel effectively increase the smoothness of the chain running across the pulley wheels.

Compatible with SRAM RED AXS E1 and FORCE AXS E1 road bike rear derailleurs. The 12T upper pulley wheel and 18T lower pulley wheel effectively increase the smoothness of the chain running across the pulley wheels.

For SHIMANO® Rear Derailleurs: RD-R7150 (Di2/Electronic) / RD-R7100 (Mechanical)

For SHIMANO® Rear Derailleur: RD-R8150