The Oumers Bicycle Crank Arm, a premium component designed to enhance the performance and durability of your mountain or road bike. Made from high-quality aluminum alloy, this crank arm boasts exceptional strength, hardness, and deformation resistance, ensuring it can withstand the demands of regular use.

The crank arm features a diamond hole square taper spindle interface, allowing for easy installation and removal. With a hole spacing length of 170mm and a total length of 207mm, it's compatible with a wide range of bike models. The universal bike crank puller includes a crank arm and a puller, making it easy to remove or install square taper cranks, ideal for home bike mechanics.

Built to last, this crank arm is designed to provide long-lasting performance and reliability. However, please note that it's essential to replace the bottom bracket when updating the crank arm again, as the life of the general bottom bracket is typically limited to two replacements.

Upgrade your bike's performance with the Oumers Bicycle Crank Arm, available in diamond hole 170mm, and experience the thrill of smooth pedaling and reliable power transmission. Perfect for mountain bikers, road cyclists, and enthusiasts alike, this premium component is sure to impress.