Alloy Crankarm Bolts | 2pcs M6x18mm for Shimano ULTEGRA | Hollow Tech Bicycle Screws & Clamp Kit

Upgrade your drivetrain with these premium titanium alloy crankarm bolts. Designed for Shimano Hollow Tech II cranksets, they provide superior clamping force and corrosion resistance. Their lightweight construction reduces rotational mass for a more responsive pedal feel, ensuring a secure and reliable connection between crankarm and spindle. Features and Benefits - Titanium Alloy Construction - Offers an exceptional strength-to-weight ratio, reducing unsprung weight while maintaining high tensile strength for secure clamping. - M6x18mm Precision Fit - Engineered to exact specifications for perfect compatibility with Hollow Tech II style cranks, ensuring a flush and secure installation. - Superior Corrosion Resistance - Provides excellent durability against moisture, sweat, and road salts, maintaining appearance and integrity over the long term. - Dual-Pack Convenience - Includes two bolts, providing a complete set for one crankset and ensuring you have a matching pair for optimal performance. Applications - Performance upgrades for road and gravel bicycles equipped with compatible Hollow Tech II cranksets. - Replacement for worn or corroded OEM bolts to restore secure crankarm attachment. - Weight-saving component for competitive cyclists and enthusiasts seeking to optimize their bike's efficiency.