AMBROSIO STELVIO CARBON CHAINSET WITH BOTTOM BRACKET.
Carbon/alloy matrix cranks with integrated hollow axle and external sealed bearing bottom bracket (Shimano Hollowtech II style) included.
Compact CNC polished alloy chainrings 34/50T Compact (110PCD).
Crank lengths 170.mm, 172.5mm, 175.mm
Compatible with 9 &1 0 Speed systems.
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