Here's a some info on the Superstar cassette hub that is lightweight and stylish. -36 holes -heat treated Cr-Mo female axle -6061-T6 alloy bi-conic body -Q-Lai driver system : 6 pawls + 6 v-springs
-1 pc Cr-Mo driver, right only, 8T or 9T -7075-T6 alloy cones and washers -3/8" x 24 tpi bolts -pegs compatible -420 grams / 15.3 oz