The RIDE crank arm set offers CINCH versatility adaptable chainring options and the 24mm EXI interface system for easier installation and removal. This set is a budget-friendly option with signature RaceFace styling performance and craftsmanship. TECH 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;} Rings Sold Separately Number of Chainrings No Rings Included Chainring BCD Direct Mount CINCH Chainline/Hub Compatibility 150/157 DH Hubs Color Black Crank Length (mm) 170 Crank Intended Use Mountain BB Included No Pedal Spindle 9/16" Spindle Interface Type RaceFace EXI Defined Color Black keyword search RXC137 Size 170Mm