SHIMANO Tiagra 4700 10s crankset 170 mm

The new SHIMANO TIAGRA FC-4700 crank balances weight and efficiency without sacrificing stiffness. It is offered in 52-36, 50-34T, and a new 48-34T chainring options and 165, 170, 172.5, and 175mm crank arm lengths. Optimum power transfer motivates riders to pedal further and faster: - Optimal balance between stiffness and lightweight - Reinforced 4-arm construction - 110 PCD - Optimized gear shape for HG-X chain Gear combinations to match more riding styles: - Additional gear combination: 48-34T - Gear combination: 50-34T, 52-36T, 48-34T - Crank arm length: 165, 170, 172.5, 175 Specifications: - Threaded BB shell width_70mm: Yes - 2-piece crank construction: Yes - Chain line (mm): 43.5 - Chain ring combination: 52-36T, 50-34T, 48-34T - Compatible BB type_Outboard: Yes - Compatible chain: HG-X 10-speed - Crank fixing bolt included: Yes - Crank arm length (mm)_165.0: Yes - Crank arm length (mm)_170.0: Yes - Crank arm length (mm)_172.5: Yes - Crank arm length (mm)_175.0: Yes - Gear arms: 4 - Optional chain guard_Without chain / bash guard: Yes - P.C.D. (mm): 110 - Rear speeds: 10 - Recommended BB_Pressfit: BB-RS500-PB - Recommended BB_Threaded (normal): BB-RS500 - Threaded BB shell width_68mmYes - Q-factor (mm): 150 Technology: HG Sprockets: - The distinctively designed HYPERGLIDE sprockets incorporate specially positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result. - The HG cassette sprocket, which was developed for the MTB 10-speed system, underwent comprehensive optimization to achieve super-highly efficient shifting. 2-piece crank set: Integrated crank arm and bottom bracket - Increased rigidity with less weight Wider bearing positioning: - Rigidity is enhanced and pedaling force is efficiently transmitted Precision Bearings: - Low maintenance and simplified installation