SRAM RED XG-1290 E1 Cassette - Rainbow Size:10-33T the weight is reduced to

the weight is reduced to a minimum through the use of state-of-the-art materials and processing technologies

Designed from the needs of professional teams supported by Prologo

CNC machined aluminium cups with replaceable/serviceable bearings

it can adjust to ambient light1 and speed to save battery life

The Vuka Clip Risers are available in three sizes: 5 (8g)

SRAM RED XG-1290 E1 Cassette - Rainbow Size:10-33T the weight is reduced toThe workhorse of X Range gearing. The SRAM RED XG 1290 cassette progresses fluidly and quickly through a wider range of gears. It's specifically designed for wireless electronic shifting and the one piece design offers you the best in weight savings.