Cove is inaccessible, and Steamroller is just a frame at the moment.
You can, if you can be bothered, work it out on a frame by measuring how far below the rear drop out the centre of the BB is - then take this figure off half the circumference of a wheel + tyre.
You can, if you can be bothered, work it out on a frame by measuring how far below the rear drop out the centre of the BB is - then take this figure off half the circumference of a wheel + tyre.