Wheels Manufacturing Derailleur Hanger 288 Description: Manufactured in Colorado to exact tolerances for a perfect fit. Designed as a replacement hanger for Santa Cruz frames with a 12 x 142mm rear drop-out spacing. Note: Not compatible with 12 x 148 (Boost) drop out spacing Features: CNC machined 6061 aluminum Black anodized finish For use with M12 x 1.0 thru axle Fits Santa Cruz frames with a 12 x 142mm rear drop out spacing Made in USA Compatibility: Highball 27.5 Highball 29 Nomad 3 Tallboy Carbon V10.5 V10.6C