SRAM Red E1 XG-1290 10-30 12 Speed Cassette Rainbow BSS-002809 Best performing chainrings at the

Best performing chainrings at the best price

32 mm wrench — compatible with appropriately-sized races for threaded headsets

When you first place it on the tow ball it supports itself – you can let go of it and it won’t fall to the ground

the oldest track bicycle race in the world

SRAM Red E1 XG-1290 10-30 12 Speed Cassette Rainbow BSS-002809 Best performing chainrings at theAbout SRAM Red E1 XG 1290 10 30 12 Speed Cassette Rainbow Wide range and tight jumps? Why not both? SRAM's lightest, most durable cassette breaks new ground for gearing choices as well. Four distinct cassette options, including SRAM's first 10 30T and 10 36T RED cassettes, each provide secure shift ramps specifically designed for electronic shifting, whether racing road on a 10 28T or creating an all road setup with a 10 36T. Carefully chosen tooth