SHIMANO DEORE M4100 Crankset Groupset Groupset include 2 Original parts （not boxed type） 1.FC-M4100-2 2.SM-BB52/BB-MT500-PA Parts detail： 1.FC-M4100-2 SHIMANO DEORE - MTB Crankset - 2-PIECE CRANKSET - 2-PIECE CRANKSET - Q-factor 178.5 mm - Chain Line 48.8 mm - 2x10-speed The SHIMANO DEORE FC-M4100-2 mountain bike crank delivers precise and reliable shifting for 2x10-speed drivetrains. This 2-piece crank offers a 36-26T gear combination and a 48.8 mm chainline. --2-PIECE CRANKSET increases rigidity of crankset with less weight and transmits pedaling force efficiently --Extra wide range 2.SM-BB52 SHIMANO ALIVIO - Bottom Bracket - Threaded - HOLLOWTECH II - 68/73 mm shell width - Trekking With better sealing and rotation the SHIMANO DEORE bottom bracket delivers high driving efficiency. Better sealing performance 2.BB-MT500-PA SHIMANO DEORE - Bottom Bracket - Press-Fit - HOLLOWTECH II - 68/73 mm shell width With better sealing and rotation the SHIMANO DEORE bottom bracket delivers high driving efficiency. Better sealing and rotation, same as SM-BB52

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