- CNC-machined from 7075 aluminum

a fully sealed rear cassette

Large/X-Large: 23

The Merritt Brandon Begin Pentaguard Sprocket can be run on 19mm

Exceptionally light

SD B-85 4 Hole Crankset Colour:Black - CNC-machined from 7075 aluminumThe 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