Upgrade your Shimano Hollowtech II Cranks with these precision-engineered pre-tension bolts from Burgtec. With an 8mm fitting, installation is a breeze, allowing you to effortlessly fine-tune your crankset. Available in a range of vibrant anodized colors, these bolts not only enhance functionality but also add a touch of personal style to your bike. Designed to provide the perfect amount of torque, these bolts ensure secure fitting without over-tightening. Compatible with a wide range of Shimano cranks, including Saint, XTR, XT, SLX, ZEE, LX, Deore, and more. SPECS: Compatibility: Shimano Hollowtech II Cranks Bolt Size: 8mm