The rim in this pic is tubeless ready.
You can see the flat ledge along either edge for the bead to seal on, although part of the ledge is under the rim tape.
https://www.google.co.uk/search?sa=G&hl=en-GB&q=giant+s+x2+wheel&tbm=isch&tbs=simg:CAQSlwEJ2oJvuPiGZW8aiwELEKjU2AQaBAgVCAEMCxCwjKcIGmIKYAgDEijiDKAYmgy5BPgX4Qz5F-oMnxjFDbMz4TzmPLUz5ia7M9k8vTPlPO08GjDgRRkghAdpyJJtA_1U5XzMZj5jB5-4y6Mrhbth0OX8Sg-UmeWVCX60VvDoR-2b0YEYgBAwLEI6u_1ggaCgoICAESBDbQyY8M&ved=0ahUKEwiKj6e22PXZAhXubZoKHQroBeAQwg4IJCgA&biw=1258&bih=629#imgrc=EAj3pF6LoKcYgM:
You can see the flat ledge along either edge for the bead to seal on, although part of the ledge is under the rim tape.
https://www.google.co.uk/search?sa=G&hl=en-GB&q=giant+s+x2+wheel&tbm=isch&tbs=simg:CAQSlwEJ2oJvuPiGZW8aiwELEKjU2AQaBAgVCAEMCxCwjKcIGmIKYAgDEijiDKAYmgy5BPgX4Qz5F-oMnxjFDbMz4TzmPLUz5ia7M9k8vTPlPO08GjDgRRkghAdpyJJtA_1U5XzMZj5jB5-4y6Mrhbth0OX8Sg-UmeWVCX60VvDoR-2b0YEYgBAwLEI6u_1ggaCgoICAESBDbQyY8M&ved=0ahUKEwiKj6e22PXZAhXubZoKHQroBeAQwg4IJCgA&biw=1258&bih=629#imgrc=EAj3pF6LoKcYgM: