Conical cupped shape: Improves grip and reduces loosening from vibration and temperature changes
17-7 PH stainless steel: Offers high strength and chemical resistance
Mildly magnetic: Can be used in applications requiring magnetic properties
Compatible with 90cc European cranks: Designed for specific tuning needs
Belleville disc spring option: Allows for adjustable compression in high load situations
Summarized by Shop
M12 Conical Washer - Fits 90cc european cranks (NOT FOR STOCK OEM CRANKS)
Also known as conical washers, these have a slightly cupped shape that gives them spring-like flexibility to grip tighter than split and tooth lock washers. They minimize loosening from wear, temperature changes, and vibration. Load-rated Belleville disc springs are