Bikelane Left Crank Arm 170mm – Diamond Taper Low Profile Alloy (Black)

Durable Left Crank Arm – 170mm Diamond Taper Alloy in Black

Upgrade or replace your bike’s left crank arm with this 170 mm low profile alloy crank arm, designed for reliable performance and long-lasting durability. Finished in sleek black, it brings both strength and style to BMX, mountain and commuter bikes equipped with a diamond-taper bottom bracket.

Crafted from high-quality alloy, this left crank arm delivers a strong yet lightweight solution that resists bending and daily wear — ideal for riders who value dependable pedalling performance. The low-profile design promotes clearance and confidence on varied terrain, while the classic black finish ensures it integrates seamlessly with most builds.

Whether you’re refreshing an older bike or replacing a worn crank arm, this component offers a cost-effective way to maintain smooth power transfer and ride quality.

Key Features

• Length: 170 mm — balanced leverage and pedal clearance

• Compatibility: Diamond-taper bottom bracket interface

• Material: Durable alloy with low-profile design

• Finish: Sleek black coating for a clean look

• Replacement left crank arm for BMX, MTBs, commuters and hybrids