Shimano FC-M4000 MTB Bike 3x9 Speed Triple Crankset 40/30/22T Octalink 175mm

Shimano MTB Mountain Bike Alivio 3x9 Speed FC-M4000 Octalink Crankset 40/30/22T BB-ES300 Bottom Bracket 175mm 68×118mm. Bottom bracket type: OCTALINK. FC-M4000 Alivio Octalink Chainset with its two-piece forged aluminium construction.