Bizarrely I don't know how big my OnOne Fatty is. I know it fits me like a glove, but I don't if it's the 16, 18 or 20 inch frame size. Does anyone know which tube or measurement this would refer to please ?

Thanks

Centre of the BB to the top of the seat-tube.

Stu has missed off the "ish" from that statement

Bearbonesnorm wrote: ↑Thu May 19, 2022 3:48 pm Centre of the BB to the top of the seat-tube.

Thank you