SRAM RED XG-1290 eTap AXS Cassette Size:Silver 12spd 10-26T AXS https://www

https://www

while the TIROX version is 220gr

60T- 251mm

It supports the water much better

30mm CNC machined AL7050 BB386EVO spindle

SRAM RED XG-1290 eTap AXS Cassette Size:Silver 12spd 10-26T AXS https://wwwThe 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. FEATURES Designed for smooth and fast shifting Gradual gear progression between cogsat least five one tooth jumpswhile still offering a wider range 10 tooth start helps provide a wider gearing range