SRAM Apex AXS Wide Left Crank Arm Power Meter Spindle Assembly - 170mm 12-Speed DUB Spindle Interface BLK D1

.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;} DUB-PWR spindle-based unit measures left side power to calculate total watts Proven Quarq reliability and accuracy Long battery life (400+ hours) to power a season of rides User replaceable AAA lithium battery DUB bottom bracket adds durability and simplicity Waterproof (IPX7 waterproof to 1 meter for 30 minutes) Lightweight (less than 40g heavier than standard crankset) SRAM Model ID: PM-APX-ASSY-D1 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 ul{font-size:24px;font-weight:600;margin-left:-25px;padding-top:35px;border-top:3px solid #f0f0f0;}.desc li{list-style:none;border-bottom:4px solid #eb212e;width:142px;} TECH SPECS Primary Color Black BB Inclusion No Connectivity ANT+ BT LE Crank Arm Length 170mm Crank Spindle Diameter 28.99mm Interface DUB Speed 12 Drivetrain Spacing Road Disc Crankset Material Aluminum Pedals Thread 9/16