Bike Crank Arms for Drive Motor Black

The bike crank arms are available in two spindle interface modes - diamond interface and square interface. Please check the orientation of your right crank arm and ensure that both the left and right arms have the same hole. These crank arms are suitable for a wide range of bicycles, including BMX bikes (old school and modern), cruisers, cyclocross bikes, electric bicycles, folding bikes, hybrid/comfort bikes, and mountain bikes.

Designed with a sample layout and fine craftsmanship, these crank arms are intended for use with bike mid-drive motors. The size is approximately 21 x 3.8 cm (6.3 x 5.9 inches), and the weight is around 450 g.

The package includes 2 crank arms. The lightweight and compact design makes them easy to install and use.

Please note that this product is a specialized crank for Tongsheng mid-mounted motors. Ensure that it fits your specific requirements before purchasing, as it may not be compatible with all bikes.

We stand behind the quality of our products and offer 100% after-sales service guarantee. If you are unsatisfied with the item you receive, you can contact us at any time, and we will respond promptly to help resolve the issue. You can choose to return the product or receive a full refund if there are any quality problems.

In summary, these versatile crank arms are designed for a wide range of bicycle applications, with a focus on compatibility with mid-drive motor systems. The combination of quality construction, easy installation, and excellent customer service makes this a reliable choice for your bicycle needs.

product information: