CHASER Ultralight UDH Rear Derailleur Hanger for Shimano 25.8g, SRAM & Campagnolo 21.5g

The CHASER Ultralight UDH Rear Derailleur Hanger is precision CNC-machined from 7075-T6 aluminum alloy for lightweight performance, strength, and reliable shifting. Designed for UDH disc-brake frames, it is suitable for compatible road and gravel bikes, including Trek Madone Gen 8, X-LAB RT, Van Rysel RCR, and similar UDH-equipped frames. Choose the correct version according to your rear derailleur system. Key Features • Precision CNC-machined from 7075-T6 aluminum alloy • Lightweight, high-strength, and durable • Designed for UDH disc-brake frame systems • Available in Universal, Shimano Direct-Mount, and Aero Direct-Mount versions • Hollowed-out structure reduces weight while maintaining rigidity • Optional chain-retention guard design • Available in multiple anodized colors • Installation torque: 25 Nm Compatibility Universal Version – UDHRD2TH / UDHRD2THA Compatible with SRAM, Campagnolo, and similar rear derailleurs. Shimano Direct-Mount Version – UDHRD1TH Compatible with Shimano R-Series direct-mount rear derailleurs with an extended mounting link. Shimano Direct-Mount Aero Version – UDHRD1THA Aerodynamic direct-mount version for compatible Shimano R-Series rear derailleurs. Important Notes • For Shimano direct-mount rear derailleurs, please confirm that your derailleur has an extended mounting link before ordering. • For SRAM, Campagnolo, older Shimano rear derailleurs, and other compatible systems, please select the Universal Version. • Please confirm your bicycle frame uses the UDH hanger standard before ordering. • If purchasing a replacement outer nut, select the 1.5 mm thread-pitch version only for compatible 1.5 mm thread-pitch thru-axles. Please leave the desired color in your order note. • After installation, readjust shifting according to the rear derailleur manufacturer’s service instructions. Specifications Brand: CHASER Product Type: UDH Rear Derailleur Hanger Material: 7075-T6 Aluminum Alloy Manufacturing Process: Full CNC Machining Frame Compatibility: UDH Disc-Brake Frames Installation Torque: 25 Nm Available Colors: Pink, Red, Green, Blue, Silver, Black, Purple, Gold, Cyan