Description
SHIMANO - OCTALINK - Road Crankset - 2x9-speed The SHIMANO FC-R345 Crank uses an OCTALINK bottom bracket interface and compact 50-34T compatible 2x9-speed chainrings. HYPERDRIVE SG-X chainrings Lightweight and smooth shifting for riding comfort for the beginner rider Appropriate gear ratio 50-34T Bottom bracket not included (recommended BB-ES300 Octalink) Specifications:
Model: FC-RS345 Series: Sora 3500 Series Color: Black Width: Threaded BB unit: 70 mm BB-UN/ES bottom bracket length (mm), threaded (normal): 113 Chain line (mm): 43.5 Chainring combination: 50-34T Compatible BB type: Octalink Compatible chain: HG 9-speed Crank arm fixing bolt included Crank arm length (mm): 175 Chainring arms: 5 BCD (mm): 110 Rear speeds: 9 Recommended threaded BB (normal): BBES300 Q-factor (mm): 152.2
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