The Race Face Spindle Kit Cinch 30mm Spindle 73mm/136.5 Sixc is an essential component for enhancing the performance of your Race Face 30mm Cinch cranks, including models like Turbine, Atlas, and Next SL. This spindle kit is specifically designed for bottom bracket widths of 73mm and 136.5mm, ensuring a perfect fit and optimal power transfer. Crafted for durability and ease of installation, it provides a lightweight solution that helps improve your bike's efficiency on the trail. Upgrade your ride with this reliable spindle kit and experience the difference in your cycling performance.