SUNRACE M4 Cassette - 7-Speed - 12-34t - Black hydration Re-designed pivot with optional foot

Re-designed pivot with optional foot assist

XL rear is ~1

Isopulse lacing improves stability and boosts lateral stiffness while sprinting or climbing

Please verify the ERD of the tire you are replacing before ordering this tire

And new enduro and downhill ride profiles with 5 Hz GPS recording during descents mean you can see greater detail about the lines you take

SUNRACE M4 Cassette - 7-Speed - 12-34t - Black hydration Re-designed pivot with optional footThe SunRace M4 7 Speed Cassette is a lightweight cassette that utlizes Super Fluid Drive technology. Lightweight design Features Super Fluid Drive technology ED black sprocket finish