FSA Carbon Pro Chainset - 53 / 39 Tooth / 170mm - 130mm BCD - ISIS Signs The 30mm alloy spindle makes

The 30mm alloy spindle makes this crankset one stiff beast

adapted to their riding style

a silent clutch

Impulse Technology and 2:1 Actuation Ratio for precise indexing and control

locking the lowers in place and maximising torsional stiffness

FSA Carbon Pro Chainset - 53 / 39 Tooth / 170mm - 130mm BCD - ISIS Signs The 30mm alloy spindle makesFSA Carbon Pro Chainset 53 39 Tooth 170mm 130mm BCD FSA crankset has CNC machined 7075 T6 chainrings that are ramped and pinned for perfect shifting. Carbon Pro Road is ultralight, stiff with composite crank arms & carbon fibre spider. Interface: ISIS splined drive only 53T 39T chainrings Satin black finish For 108 mm bottom bracket length TBC Crank arm length: 170mm BCD: 130mm Weight: 700g AL7075 Torx T 30 alloy chainring bolts Carbon composite crank