SHIMANO 105 RS 510 crankset

This 2-piece crankset uses a 24mm outer bottom bracket and runs on compact 52-36, 50-34 and 46-36T 2x11-speed chainrings. It has a 4-arm frame and is compatible with modern disc brake road frames. Features: - Affordable, high-end style crankset - 4-arm crankset for an 11-speed drivetrain - Compatible with OLD frames 135mm and 410mm chainstay length - New Gear Combination: 52-36T, 46-36T - Current Gear Combination: 50-34T - 2-PIECE CRANKSET Specifications: - Crank arm length (mm): 172,5 - Chain guard: Sin CG - Gear combination: 46-36D - Compatible chain: HG-EV 11 speed, HG-X11 - Recommended pedal_Press-Fit: BB-RS500-PB - Recommended bottom bracket_Threaded (normal): BB-RS501 - Rear speeds: 11