The Box One Levers are cold forged and CNC-machined from the highest-quality 6061-T6 aluminum

- CNC-machined from 7075 aluminum

Large/X-Large: 23

a fully sealed rear cassette

SPOKES: Stainless Steel

SD B-85 4 Hole Crankset Colour:Black The Box One Levers areThe all new SD B 85 Crankset performs as well as it looks. It is very rigid and light for fast out of the gate acceleration, and thanks to the hidden chain ring bolts it has a clean and sleek look. SD B 85 cranksets have a unique way of installing your chainring. There is no need anymore for two piece chainring bolts. The hex bolts (no 5) screw directly into the crank arms for easy installing and changing your chainring. If you're looking for that