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Shimano Deore Hollowtech 2 Crankset
FCM590
2 Piece design Crankset for 9 Speed Transmissions
Lightweight external Bottom Bracket
44 / 32/ 22 Chain rings
170mm Crankarms
SG-X chainring with patented spike pins giving smooth and fast gear shifting under load
Lightweight and rigid steel bottom bracket axle
Mega 9 compatible
Lightweight aluminium outer ring with steel middle and inner rings
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