Recent content by Jim Scott

Just to round up this post with regard to the initial posting. On my C400 GT I have had the “Lumbar” support reduced in thickness by a bike seat upholsterer. Because of the plastic moulded backing frame it was only possible to reduce the padding by about 1.25” (30mm) but even this has made a...

Thanks for your suggestion but this Utopia seat backrest adds to the height of the lumbar support. My objective is to move the OEM support towards the rear, i.e. to give more arm stretch distance to handlebars, hence reduction in size seems to be only solution.

Hi Delray, I used to travel in the USA, and myself and my American associate always commented on us being two nations divided by a common language. I guess you must come across this regularly in your profession. We do not use the word lumber in the uk, it would either be timber or wood. A 2x4 is...

Hi Delray, I assume you were pointing out my incorrect spelling of Lumbar. I apologise, and also forgive the dozens of word spellings in the USA version of the English language. Ride safely.

It looks like the X model has a stepped one piece seat so I can see the difficulties with that. The GT has a separate lumber “ lump” bolted through, which can easily be removed ( 3 bolts form underside of seat) This lump also has a plastic frame, or seat pan as they probably call it, and I...

Has anyone removed or modified the lumber support in the seat of the c400gt to give more space to sit further back from the bars? If so please give details, do you need to find some sort of plugs for bolt holes?