Shimano FC-R8000 Ultegra For Rear 11Speed Front Chainwheel

SHIMANO ULTEGRA - HOLLOWTECH II - Road Crankset - 2x11-speed The all-new SHIMANO ULTEGRA R8000 series crank features lightweight crankarms, a hollow outer chainring, and a wider gear pitch for increased clearance on modern road frames. It is available with 53-39, 52-36, 50-34, and 46-36T chainrings and 165, 170, 172.5, and 175mm crank arm lengths. FEATURES - Lightweight crankarm design optimized for power-transfer efficiency Minimal weight without sacrificing stiffness HOLLOWTECH II - Rider-tuned gear performance through various gear combinations - Redesigned FC for greater frame compatibility Wider gear pitch increases clearance between chain and leading teeth, providing compatibility with frames of O.L.D. 135 mm and 410 mm chainstay length PRODUCT SPECIFICATIONS - MODEL NO FC-R8000 - SERIES ULTEGRA R8000 Series - Color Series color - Average weight 668 (46-36T) 674 (50-34T) 681 (52-36T) 690 (53-39T) - Threaded bottom bracket shell width (mm)_70 - Chainring combination 46-36T 50-34T 52-36T 53-39T - Compatible bottom bracket type_Outboard - Crank fixing screw included - Crank arm length (mm)_165 - Crank arm length (mm)_170 - Crank arm length (mm)_172.5 - Crank arm length (mm)_175 - Spider/Gear arms 4 - HOLLOWGLIDE X - (46-36T) - HOLLOWTECH II - HOLLOWTECH crank arm - Optional chain guard_Without chain/bash guard - Recommended bottom bracket_Press-fit SM-BB72-41B - Recommended bottom bracket_Threaded (normal) SM-BBR60 - Threaded bottom bracket shell width (mm)_68 Q-factor (mm) 146 - Chain line (mm) 43.5 - Compatible chain LINKGLIDE, HG 11-speed - P.C.D. left / right (mm) 110 - P.C.D. (mm) 110 - Rear speeds 11