Have you got a diagram of this? And could it be happening on a 2018 CAAD12?
If you’ve got a variation of the Si crank then yeah, it’s a possibility.
The lockring bolts down the spider or spider ring to the drive side crank.
It’s a pain to deal with because you need both the special tool - which I have - and a very solid bench vice - which I do not.
@Howard 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.
Have you got a diagram of this? And could it be happening on a 2018 CAAD12?