Gear Vest Pro: Ideal for running, biking, triathlon bike bib shorts At the Sun Valley office comfortable feel so you At the Sun Valley office DUB compatible bottom bracket sold separately Rings 30 Defined Color Gray Spindle Interface Type SRAM DUB Chainring BCD Direct Mount SRAM Color Lunar Chainline Hub Compatibility 170 177 Hubs Drivetrain Speeds 12 Number of Chainrings Chain Retaining Single Crank Intended Use Fat Bike Pedal Spindle 9 16" BB Included No Crank Length (mm) 175 Size 175Mm Rear Spacing 170Mm It is engineered to stay stable and comfortable across a wide range of movements Frequently Asked Questions