Silca 3DP Direct Mount Derailleur Hanger - Trek Tyre Repair & Maintenance while the Tirox version is

while the Tirox version is 189gr

Thanks to its additional protective ply running from one bead to the other

Universal Fit: Compatible with various seat post sizes and shapes:

making it ideal for high-touch surfaces in modern cycling setups

or tackling long endurance rides

Silca 3DP Direct Mount Derailleur Hanger - Trek Tyre Repair & Maintenance while the Tirox version isSILCA 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 infill, SILCA 3DP Hangers