SRAM Red XG-1090 11-25 10 Speed Cassette lazer sharp optics and a tear-off

sharp optics and a tear-off compatible polycarbonate lens

but also in place

Material (Chainring): Steel

Designed and built especially for single speed bikes

This gooey miracle food

SRAM Red XG-1090 11-25 10 Speed Cassette lazer sharp optics and a tear-offAbout SRAM Red XG 1090 11 25 10 Speed CassetteThe new SRAM RED Powerdome X is the most advanced cassette ever made. Its super light, deadly silent, and delivers an undeniable performance advantage. The eight cogs in the middle are machined from a single block of high grade tool steel, increasing stiffness while weighing even less than a titanium cassette. Between each cog in the block is a StealthRing elastomer to reduce vibration and noise. Cutouts