- A two-piece hollow design allows for the removal of any unwanted material increasing stiffness and reducing weight - Tested to the same standards as MTB cranks for confidence on or off road - Featuring a self-extracting axle-to-arm interface, simplifying fitting and removal - Fully CNC machined 7050 Aluminum for precise material removal - Unique expanding spline/arm interface - Versatile Spline mount for chainring/spider - 30mm oversized axle - Weight: 518g (172.5mm and 5 bolt spider, w/o BB)
