UNIVERSAL DERAILLEUR HANGER - UDH The Wolf Tooth Universal Derailleur Hanger - UDH is a small, functional upgrade to your UDH compatible bike. The hanger is fully CNC machined for stiffer construction, crisp shifting, and features a Color Shop anodized bolt and washer in nin hues to match our other components and accessories. FULLY MACHINED PRECISION Designed to simplify thousands of derailleur hangers into one universal design, our UDH is compatible wiht standard road, gravel, and mountain rear derailleurs from SRAM, Shimano, Campagnolo, TRP, and others. The UDH is precision machined from 6061 aluminum and offers crisp, precise shifting. The benefits of a UDH included increased shifting precision and stronger construction than standard derailleur hangers. The Wolf Tooth - UDH is an aftermarket component designed to replace the stock UDH that is included with your frame. - Full CNC aluminum construction - Designed to rotate back in the event of a crash to help prevent damage to the derailleur or frame COMPATIBILITY - Compatible with bike frames designed to accept the SRAM Universal Derailleur Hanger - UDH - Compatible with all road, gravel, MTB and EMTB drivetrains (except SRAM Full Mount Transmission, which does not use a hanger) - For Axle Thread Pitch M12x1.0 - Rear axle not included INSTALLATION - Grease bolt and axle threads - Do not grease hanger barrel - Torque UDH 8mm Hex bolt to 25 Nm - Torque rear axle (not included) to spec recommended by axle / frame manufacturer