Name: Square hole crank
Model: FC-4000
Suitable for bicycle type: mountain bike
Suitable for bottom bracket: square hole
Compatible: single sprocket
Suitable for: 32T/34T/36T/38T/40T/42T/44T disc
Application: 8s/9s/10s/11s/12s
Size: 170mm/
Weight: 441g right crank, 276g left crank, total weight 717g
Colour: Black/Red/Purple
Process 1: Positive and negative tooth design
Process 2: Durable and high strength
Process 3: CNC aluminum alloy chainring T6 heat treatment
Process 4: Laser engraving surface treatment, high durability
Advantage 1: Upgrade forged aluminum alloy crank
Advantage 2: High strength and high rigidity
Advantage 3: Ultra-light aluminum alloy and strong steel teeth are optional
Advantage 4: Forging process
Advantage 5: No fear of rain
Advantage 6: Easy to install, low-maintenance integrated design
Advantage 7: One-piece stamping of high carbon steel