The Compact Crank Puller CWP-7 by Park Tool is an essential tool for every cyclist and bike mechanic. This universal crank puller is specifically engineered to accommodate both square taper and splined crank arms, making it a versatile addition to your bicycle repair toolkit. Whether you are working on a standard three-piece crank system or a more complex setup, the CWP-7 is designed to meet your needs effectively.

One of the standout features of the CWP-7 is its universal design, which allows it to handle a variety of crank arm types with ease. This tool incorporates a rotating tip that is pressed into each end, featuring sizes of 11.3mm and 16.3mm, ensuring compatibility with most square taper and splined crank arms, including popular systems like ISIS Drive and Octalink. The tool’s compatibility extends to cranks with M22 x 1mm threading, enabling you to work on a wide range of bicycles without the need for multiple tools.

The CWP-7’s design also features a small swivel foot that fits crank arms with M22 x 1.0 threads, which is essential for systems that utilize an M8 x 1.0 threaded crank bolt. This includes popular crank types such as the Square taper and SRAM® PowerSpline® cranks, especially those used in Bosch® e-bike systems. Additionally, the large swivel foot is compatible with systems that employ M12 x 1.0 or M15 x 1.0 threaded crank bolts, such as Shimano® Octalink® and ISIS Drive systems.

When it comes to performance, the CWP-7 shines through its ability to remove crank arms quickly and efficiently. The extra fine threads of this tool create ample leverage, allowing you to tackle even the most challenging crank removals. It is particularly useful for those who frequently perform bike maintenance or upgrades, providing a reliable solution to crank arm removal.

In summary, the Park Tool CWP-7 Compact Crank Puller stands out as a must-have tool for both amateur and professional cyclists. Its universal compatibility, robust construction, and ease of use make it ideal for anyone looking to maintain or upgrade their bicycle. With the CWP-7 in your toolkit, you can approach crank arm removal with confidence, knowing that you have a reliable tool that will get the job done efficiently.