Chainrings/Spiders Chainrings 104BCD Chainrings(32-38T) 104BCD Chainrings(For Crank)(32-38T) Chainrings SR(3mm offset)(30-38T) Chainrings SR (6mm offset)(30-38T) Spiders/Chainring Bolt SH to 104BCD SR to 104BCD SR to 110BCD SR to 110BCD SR to 130BCD Chainring Bolt