Feature Highlights: 1. Premium Quality: This brand-new crank arm is crafted from lightweight aluminum alloy, offering excellent durability and resistance to deformation. Built to last, it ensures reliable strength and long-term performance. 2. Precision Craftsmanship: Featuring a refined manufacturing process, the crank arm is finely polished and coated for a smooth, stylish finish. It delivers stable performance while adding a sleek look to your bike. 3. Standard Fit Design: Designed with a precise hole cutout, this left crank arm installs easily and fits perfectly. With a 170mm length and no overlap with the chainring bolt, it’s an ideal replacement for bike repairs. 4. Wide Compatibility: Measuring approximately 21 x 4 x 3 cm (8.27" x 1.57" x 1.18"), this 170mm aluminum alloy crank is compatible with many bicycle models, making it a versatile upgrade or replacement part. 5. Complete Package: Includes 1 x Universal 170mm Aluminum Alloy Left Crank Arm, ready to use right out of the box. Product Details: This universal left-side crank arm is made from high-quality aluminum alloy, combining lightweight design with strong, deformation-resistant performance. Its precise engineering ensures easy installation and a secure fit, while the polished finish adds both style and durability. Perfect for repairs or upgrades, it works with a wide range of bicycles and comes ready to install. Specifications: - Material: Aluminum Alloy - Length: 170mm - Size: Approx. 21 x 4 x 3 cm / 8.27 x 1.57 x 1.18 inches - Included: 1 x Left Crank Arm