If you have Sram NX with DUB system, there is 30mm aluminium spindle.This NECO is for Shimano cranks, with 24mm steel spindle. You need something like this: pl.aliexpress.com/item/4000290432173.html?gatewayAdapt=glo2pol&spm=a2g0o.detail.0.0.3175551fhT7neE&gps-id=pcDetailBottomMoreThisSeller&scm=1007.13339.274681.0&scm_id=1007.13339.274681.0&scm-url=1007.13339.274681.0&pvid=7d1ec1c7-e62c-4b7d-b4b2-15077ea6af2d&_t=gps-id:pcDetailBottomMoreThisSeller,scm-url:1007.13339.274681.0,pvid:7d1ec1c7-e62c-4b7d-b4b2-15077ea6af2d,tpp_buckets:668%232846%238108%231977&pdp_ext_f=%257B%2522sku_id%2522%253A%252212000021859377513%2522%252C%2522sceneId%2522%253A%25223339%2522%257D&pdp_pi=-1%253B52.25%253B-1%253B-1%2540salePrice%253BPLN%253Brecommend-recommend
Can I used with Sram NX cranckset? I will be pending for your answer.
If you have Sram NX with DUB system, there is 30mm aluminium spindle.This NECO is for Shimano cranks, with 24mm steel spindle. You need something like this: pl.aliexpress.com/item/4000290432173.html?gatewayAdapt=glo2pol&spm=a2g0o.detail.0.0.3175551fhT7neE&gps-id=pcDetailBottomMoreThisSeller&scm=1007.13339.274681.0&scm_id=1007.13339.274681.0&scm-url=1007.13339.274681.0&pvid=7d1ec1c7-e62c-4b7d-b4b2-15077ea6af2d&_t=gps-id:pcDetailBottomMoreThisSeller,scm-url:1007.13339.274681.0,pvid:7d1ec1c7-e62c-4b7d-b4b2-15077ea6af2d,tpp_buckets:668%232846%238108%231977&pdp_ext_f=%257B%2522sku_id%2522%253A%252212000021859377513%2522%252C%2522sceneId%2522%253A%25223339%2522%257D&pdp_pi=-1%253B52.25%253B-1%253B-1%2540salePrice%253BPLN%253Brecommend-recommend
Ceramic?
No, regular steel cartige bearing