aceoffix crank arm set for brompton 3sixty

weight: 369g
brompton standard crank arm: 490g
Length: 170mm
BCD 130
grid line details behind the arm made by CNC machined comes with aluminium nut which is stronger and more stiff the other version (which is cheaper) made from forged and comes with steel bolt also heavier easily got scratch and dent on the forged material

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