SR SUNRUN CASSETTE COGS ARE FULLY COMPATIBLE WITH SHIMANO AND SRAM
PLEASE NOTE, THESE ARE NOT SCREW ON FREEWHEELS, THEY ARE PUSH ON CASSETTES WITH A LOCKING RING
From the drop down menu, you can select
7 SPEED 12-28T CASSETTE
7 SPEED MEGA RANGE 12-32T CASSETTE
Please note, you may need to use a cassette spacer on your wheel, depending entirely on the freehub body on your wheel