Fsa Gossamer Compact S-10 172.5

Road use, Shimano 10 speed compatible. Cold forged aluminium crank arms, monocoque crankarm/spider and precision CNC machined 7075/T6 chainrings, ramped and pinned for perfect shifting. AL7075 Torx T-30 alloy chainring bolts, 110mm BCD, Q-Factor: 147mm, Chainline – 43.5mm