SHIMANO Left FC-R8000 Hollowtech II

Features: - Minimal weight without sacrificing stiffness - 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 - Lightweight crankarm design optimized for power-transfer efficiency - Rider-tuned gear performance through various gear combinations - Redesigned FC for greater frame compatibility Specifications: - SERIES SHIMANO ULTEGRA R8000 Series - Average weight 690 g (53-39T) 681 g (52-36T) 674 g (50-34T) 668 g (46-36T) - HOLLOWTECH II Technology no - Threaded BB shell width_70mm no - Compatible BB type_Outboard no - Compatible BB type Outboard - Compatible chain HG-EV 11-speed/HG-no11 - Crank Arm Length 165, 170, 172.5, 175 - Crank arm length (mm)_165.0 no - Crank arm length (mm)_170.0 no - Crank arm length (mm)_172.5 no - Crank arm length (mm)_175.0 no - Gear arms 4 - HOLLOWGLIDE no - (46-36T) - HOLLOWTECH Technology no - Optional chain guard_Without chain / bash guard no - Optional Chain Guard Without chain guard - P.C.D. (mm) 110 - Rear speeds 11 - Recommended BB_Pressfit SM-BBR60-PB - Recommended BB_Threaded (normal) SM-BBR60 - Technology HOLLOWTECH BB, HOLLOWTECH II - Threaded BB shell width_68mm no - Threaded BB Shell Width 68, 73 - Includes Crank Arm Finoing Bolt Yes - Q-factor (mm) 146