Wheels Manufacturing Derailleur Hanger - 278 Frame Mount-30.0mm Improved High-Speed Compression in Mid-Stroke

Improved High-Speed Compression in Mid-Stroke to eliminate "dead or overdamped feel" and optimized spring progression via stroke-specific Step Progressive Bottoming Bumpers

10 11 and 12-speed compatible Color Black Rings 32 Number of Chainrings Single Crank Length (mm) 175 Crank Intended Use Mountain Drivetrain Speeds 12 BB Included No Pedal Spindle 9/16" Chainring BCD Direct Mount SRAM Chainline/Hub Compatibility 141/148 Boost Hubs Defined Color Black Crank Length 175Mm Hub Compatibility Boost

A steel notched spring retainer/collar should be used on all spring rates 550 lbs or greater

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Wheels Manufacturing Derailleur Hanger - 278 Frame Mount-30.0mm Improved High-Speed Compression in Mid-StrokeWheels 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 machined 6061 aluminum Black anodized finish Made