TerchPilet Universal Derailleur Hanger Replacement for SRAM UDH, CNC Aluminum Rear Derailleur Hanger with Reverse-Thread Bolts, Compatible with Road Gravel MTB E-MTB Frames Designed for UDH, Blue

• 【UDH Replacement – Broad Drivetrain Compatibility】 Designed as a replacement for SRAM Universal Derailleur Hanger (UDH) frames. Compatible with standard rear derailleurs from SRAM, Shimano, Campagnolo, TRP, and other major brands (excluding SRAM Full Mount Transmission systems).
• 【CNC-Machined 6061 Aluminum Alloy】 Precision CNC-milled from high-strength 6061 aluminum alloy for excellent stiffness, durability, and accurate derailleur alignment. Anodized surface with chamfered, deburred edges ensures long service life and a refined finish.
• 【Improved Shifting Precision & Strength】 Rigid one-piece construction improves derailleur positioning and shifting consistency compared to traditional hangers. Designed to help protect the derailleur and frame during impacts while maintaining crisp gear changes.
• 【Dual Reverse-Thread Bolt System Included】 Supplied with M12×1.0P and M12×1.5P left-hand thread bolts plus washers to match different frame specifications. Reverse-thread design resists loosening caused by vibration during riding.
• 【Important Installation & Safety Notes】 Only compatible with frames specifically designed for UDH. Bolts use left-hand threads (tighten counterclockwise) and must be torqued to 25 Nm. Do not grease hanger or bolt threads—apply grease only to thru-axle threads as specified.

The TerchPilet Universal Derailleur Hanger Replacement for SRAM UDH is engineered for riders and mechanics seeking a precise, durable, and reliable solution for modern UDH-compatible frames. Manufactured from premium 6061 aluminum alloy using one-piece CNC milling, this hanger delivers high dimensional accuracy, improved strength, and consistent derailleur alignment for smooth shifting performance. Compared with traditional derailleur hangers, the UDH design offers improved shifting precision and stronger construction. This replacement hanger is compatible with road, gravel, MTB, and E-MTB drivetrains from SRAM, Shimano, Campagnolo, TRP, and others (except SRAM Full Mount Transmission systems, which do not use a hanger). The kit includes dual-specification reverse-thread bolts (M12×1.0P and M12×1.5P) and washers to support different frame and axle requirements. The left-hand thread design helps prevent loosening under vibration, improving long-term reliability during aggressive riding. ⚠ Installation & Safety Notice: This derailleur hanger is only compatible with frames designed to accept a UDH. Always install the correct frame-specific washer. The hanger bolt uses left-hand threads—tighten counterclockwise and torque to 25 Nm. ⚠ Do not apply grease to the hanger or bolt threads; Grease is applied only to the thru-axle threads. ⚠ Confirm proper seating and torque before riding. Ideal for professional bike shops, serious riders, and mechanics, the TerchPilet UDH Replacement Hanger delivers dependable performance, precise shifting, and confidence across modern drivetrain systems.