Bike Crank Set 170mm 104bcd Mountain Bike Double Disc Crank with Bottom Bracket

  
Product name:Hollow integrated crank. Number of teeth: 8-12 speed compatible. Weight:About 715g(Only crank). Process: CNC, One-piece forging, anode sandblasting. Type: Single / double disc.

The size is measured manually. Please refer to the actual situation.