Industry Nine Solix M Classic Front Disc Hub Front 28H 15mm TA 110mm Boost Red Model-Dropout 638 The Sport Filter was renamed

The Sport Filter was renamed in 2024 to the Sport/Asthma filter and the Asthma filter has been discontinued

Ring Position/Type Chain Retaining Single Ring Tooth Count 34 Round or Oval Round Drivetrain Speeds 12 Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 141/148 Boost Hubs Material Steel Defined Color Black Direct Mount Type Direct Mount CINCH

turn the Switch to move the binding forward for better grip or backward for better glide

Specific Solo Air™ top cap for extra bottom-out progression

Industry Nine Solix M Classic Front Disc Hub Front 28H 15mm TA 110mm Boost Red Model-Dropout 638 The Sport Filter was renamedOptimized for mechanical efficiency, competitive weight, and increased durability Continuously phased five pawl freehub and 121 tooth drive ring offering 605 points of contact and . 59 engagement. Reduced pawl rotation, decreased pawl spring pressure, optimized drive ring diameter, and contact seal layout brings resistance and freewheel noise to a minimum Unique scalloped flange design more effectively distributes stress than a simple round shape