This is the stock headset from that frame/fork
https://acros-components.com/en/products/core/headsets/377/is44/is44-bearingset-for-canyon?
I think it's 1 1/4" more or less. As many Canyons are You need the lower bearing with a 33mm inner diameter
@PhilDAS 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.
This is the stock headset from that frame/fork
https://acros-components.com/en/products/core/headsets/377/is44/is44-bearingset-for-canyon?
I think it's 1 1/4" more or less. As many Canyons are
You need the lower bearing with a 33mm inner diameter