Wave spring. Iirc
Came across them on nutted braked BITD. Not sure if they are used on modern bikes
https://www.smalley.com/blog/can-you-use-wave-spring-replace-lock-washer
Thank you. Fighting to keep someone from putting them on their spoke nipples…
They look way too big for nipples but DTSwiss have their PHR washers to go with their squarx nipples which look very similar.
@Leshaches started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Wave spring. Iirc
Came across them on nutted braked BITD. Not sure if they are used on modern bikes
https://www.smalley.com/blog/can-you-use-wave-spring-replace-lock-washer