SRAM RED XG-1290 Cassette - 12-Speed 10-33t For XDR Driver Body Rainbow E1 Depth-18mm The Arch MK4 rim is

The Arch MK4 rim is light enough to take XC racing but was born from research and testing on the Enduro World Series circuit making it a great rim for anyone looking to improve both descending and climbing

Provides added stiffness in the caliper and utilizes a pad compound that offers more bite

Microfiber nose wipe

If using a 9-speed drivetrain use a 10-speed chain (shifts and works well on a 9-speed drivetrain and fits the ring tighter for better chain retention)

SRAM RED XG-1290 Cassette - 12-Speed 10-33t For XDR Driver Body Rainbow E1 Depth-18mm The Arch MK4 rim isDesigned for smooth and fast shifting Gradual gear progression between cogs at least five one tooth jumps on 10 28T, 10 30T and 10 33T cassettes while still offering a wider range 10 tooth start helps provide a wider gearing range Designed to work with an XDR driver body One piece machined steel X DOME design for weight savings SRAM Model ID: CS XG 1290 E1 TECH SPECS Cassette Freehub Compatibility XD R Cassette Technology X Dome Finish Rainbow Speed