I was reading someone elses seat mod thread and there was an excellent tutorial on what makes bike seats comfortable and how to mod seats to create those seat characteristics. The basic idea detailed is to reduce the forward slope of the seat (by raining the front and/or lowering the back) so you don't slide forward which tends to push flesh rearward off of the 'sitting bones' and leaves them with less natural padding. Also to reduce the 'crown' of the seat and create a bit of a cup in the foam for your butt to rest in with the presure spread over a larger area rather than perched on your sitting bones on a crown of foam. The tutorial shows details of how to add layers of foam and shape it and carve out other areas of form, all very good, but seems like a lot of fairly complicated work. I'm trying it a much simpler way. With the seat adjustment plate in the low position I have installed the stock seat with the toung in the high slot and kept the rear retaining bolts in the standard low position. Only mod needed was to make up some small wodden shims to support the rubber pads under the seat pan as the non standard position (toung in high slot with rear bolts on low position) raises the rubber supports off/above the support plate. The result is stock seat with level or slight backward slope as opposed to a forward slope . . as suggested in the tutorial without the need for any foam reworking and upholstery work. It doesn't address the cupping and I haven't tested it yet, but I will post my findings first chance I get to give it a 100klm spin.
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