Silca 3DP Direct Mount Hanger - Specialized BF PA SHIMANO GRX - Rear Derailleur

SHIMANO GRX - Rear Derailleur - SHIMANO SHADOW RD+ - 34T max low sprocket - 2x11-speed

Purpose-built for SRAM RED DUB crank arms

Tempo Argo’s short length allows the rider to sit further forward without placing undue pressure on sensitive tissues

Cerakote/Anodized Finish

Number of Chainrings: Double

Silca 3DP Direct Mount Hanger - Specialized BF PA SHIMANO GRX - Rear Derailleur*105 DERAILLEUR HANGER* SILCA 3D printed titanium derailleur hangers bring increased strength and stiffness to this overlooked component so critical to quick and precise shifting. Modern electronic derailleurs shift so fast, and with such force, that conventional hangers made from low grade aluminum plate will flex up to 4 degrees during a shift resulting in less precise and slower shifting. Using advanced 3D modeling with AI generated structural