"sram bosch du38 t type chainring speed 12 bcd direct mount bosch du38 black"
Bosch DU38 T-Type Chainring - Speed: 12 BCD: Direct Mount Bosch DU38 - Black
SRAM
$45.00
Bosch DU38 XX T-Type Chainring - Speed: 12 BCD: Direct Mount, Bosch DU38 Steel, Black
$120.00