Cannondale SI Lock Ring 29" Best for non-prescription lenses

Best for non-prescription lenses

Requires KT012 tool for installation and removal

Compatible with Dura-Ace brakes: BR-9000

This synthetic resin pad on a steel backing plate convinces with the best modulation

*Fiber percentages of socks may vary slightly

Cannondale SI Lock Ring 29" Best for non-prescription lensesOriginal alloy Cannondale lockring used to fasten the spider to the crankarm on Hollowgram cranks. Compatible with all Cannondale BB30 Hollowgram cranks, and was redesigned to fit Evo's press fit bottom bracket. If you have an Evo you need this lockring, because the old one does not fit. Kit includes one alloy lockring and does NOT include Loctite required at time of installation. Requires KT012 tool for installation and removal.