The S200 Eagle DUB crank assembly is engineered to deliver consistent performance ride after ride. Featuring a 3-Bolt interface for compatibly with Eagle X-Sync 2 chainrings and DUB technology for a uniform approach to fitment better sealing and forward and backward bottom bracket compatibility (chainring sold separately). The S200 Eagle crank assembly is the no frills choice of riders who value simplicity.Aluminum crankset with 3-bolt interface for use with X-SYNC 2 chainrings for Eagle Drivetrain Ecosystem compatibility (chainring sold separately)6061 Aluminum DUB spindle SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Number of Chainrings No Rings Included Drivetrain Speeds 12 Chainring BCD Direct Mount SRAM 3-Bolt Chainline/Hub Compatibility 141/148 Boost Hubs Color Black Crank Length (mm) 170 Crank Intended Use Mountain BB Included No Pedal Spindle 9/16" Spindle Interface Type SRAM DUB Defined Color Black