A practical choice for a customer replacing a 170 mm alloy crank arm who can confirm the required interface and orientation before purchase.
The Crank 170mm Alloy is a replacement crank arm with a 170 mm length and alloy construction. It is suited to a straightforward repair or replacement where you already know the required crank length and interface.
Crank length affects both leverage and clearance. A 170 mm arm offers more leverage than a shorter crank, while shorter arms can provide additional pedal clearance on rough ground. Before purchase, check the crank interface, axle or spindle standard, pedal thread, drive-side or non-drive-side orientation and whether you need a single arm or a complete crankset.
This listing does not publish a spindle specification, chainring fitting, bottom-bracket compatibility or included hardware. We recommend matching the replacement carefully with your existing crank system, particularly because crank standards vary between bicycles and bottom brackets are not universally interchangeable.
170 mm crank length
A familiar all-round length that provides the leverage of a standard-length crank arm.
Alloy construction
A conventional metal crank-arm material for a straightforward replacement component.
Replacement-focused option
Useful when you need to replace a damaged or worn crank arm rather than change your complete drivetrain.
Check the interface first
The spindle, axle and fixing interface are not published, so matching your existing standard is essential.
Confirm orientation
Check whether you need the drive-side or non-drive-side arm before ordering.
Pedal and hardware check
Pedal-thread and included-hardware details are not listed; verify these requirements against your current setup.
Specifications
