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5mm chainline is compatible with130 or 135mm spaced rear dropouts
Unique formula cures within the puncture creating a flexible and long-lasting repair
New in 2026
Thomson Covert
Wide chainline for compatibility with Full Mount rear derailleurs
Wheels Manufacturing Derailleur Hanger - 321 Trek MFPN=SP22TURSLDP30.9X100BLK 5mm chainline is compatible with130Wheels Manufacturing Derailleur Hanger 321 Trek. Wheels Manufacturing hangers are stiffer than almost any OEM hanger which improves durability and shifting performance. OEM hangers are only produced by a handful of manufacturers mostly in Taiwan and China. As a result you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. CNC
