This is the SRAM XG-1391 RED XPLR E1 Cassette.

As the terrain gets tougher and the pace gets faster, you need the right range to keep moving and the best steps between gears to keep up.

The 460% range of the RED XPLR XG-1391 13-speed cassette gives you the climbing gears you need on gravel and the tight jumps you crave on fast sprints.

Enjoy the highest shift quality on even the roughest roads thanks to optimized shift features on each cog, all from a cassette that is lightweight at only 288 g.

Features:

• Expanded 460% range gives the added coverage 1x gravel riders demand
• For use with XPLR 1x 13-speed rear derailleurs
• Only 288 g
• Compatible with all road Flattop chains
• Compatible with XDR driver body

Product Specifications:

• Speed (CS)    13
• Gearing    10-46t
• Cog finish (Cassette)    Silver
• Technology (Cassette)    XG
• Cog sizes    10-46t: 10,11,12,13,15,17,19,21,24,28,32,38,46
• Drivetrain Configuration    1x
• Cassette Size (Max)    46
• Cassette Size (Min)    10
• Chain Technology    Road Flattop D1, Road Flattop E1
• Rear Derailleur Mount    Full Mount
• Vendor Item No: 00.2418.143.000