CHS MY17 Specialized S-Works Specialized Stumpjumper FSR (I1) 650B Frame Carbon Chainstay 12X148mm Carbon/Black

Replacement carbon chainstay for 2017 S-Works Stumpjumper (I1). Compatible with 2017 Stumpjumper bikes with 27.5" wheels.Material: FACT carbonDrop Out Spacing: 148x12mmDrop Out Type: thru-axle