13-speed, gears 1 - 3 made of aluminium, gears 4 - 13 made of steel, suitable for XDR freewheel body. Compatible with all Flattop road bike chains, weight: 288 g, silver / black. Number of teeth 10, 11, 12, 13, 15, 17, 19, 21, 24, 28, 32, 38, 46. Article type Cassette mounting XDR freewheel body. Large sprocket 46 T. Main colour silver. Small sprocket 10 T. Secondary colour black. Sprocket changeable no. System compatibility 13-speed. When the terrain gets tougher and the group faster, the right range is needed to keep moving and the best steps between gears to keep up. The 460% range of the XPLR XG-1391 13-speed cassette offers the right climbing gears and tight jumps to keep up in tough sprints. A cassette for the highest shifting quality on even the roughest roads thanks to optimised shifting functions on every sprocket. Enlarged 460% range provides extra coverage for 1x gravel riders. For use with XPLR 1x 13-speed rear derailleurs. Compatible with all Flattop chains. Compatible with XDR driver body. Sram Article number: 735707 EAN code: 710845898358 Supplier number: 00.2418.143.000 Retail packaging: Yes