Shimano Spool Support A RD17928-101Y5 for:

Speedmaster 14000 XSC,

Speedmaster 14000 XTC,

Ultegra 14000 XSD,

Ultegra 14000 XTD,

Ultegra 35 XSD Competition,

Ultegra XTD Spod,

Big Baitrunner Ci4+ XT-B LC, 

Big Baitrunner XT-B LC,

Ultegra Ci4+ 14000 XSC,

Ultegra Ci4+ 14000 XTC