Solo Seat - Black Diamond

SKU: 4001-101
5 Star Rating
(10) See Reviews



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Construction: Heavy gauge stamped steel pan with gently sloping rear kick for added support. Stamped-in ridges on the pan increase stiffness and give the pan a clean, classic look. Matte black electroplated finish. Cover is hand stitched heavy-duty vinyl and is fastened to underside of seat pan with rivets for durability. Foam is molded polyurethane, approximately 1” thick.

Installation details: Four carriage bolts are welded onto the bottom of the pan to facilitate spring and seat hinge mounting. Your frame may require modifications to nose hinge and spring bungs for proper fitment. This is not a bolt-on product.

Note: Our seat covers are extremely water resistant, but the seams are not. If left outside in the rain, these seats can soak up water. This is especially true of the Diamond or Tuck n’ Roll designs since they have more stitched seams. If you expect rain or snow, cover the seat to keep your saddle dry.

Specifications Specifications Related Items


Fitment: This is a custom motorcycle component that requires basic fabrication skills and mechanical acumen to install properly. If your motorcycle already has a seat hinge and spring bungs installed on the frame, you’re halfway there, though some additional modifications may be required. Our Solo seat looks best on rigid Big Twins with a stock backbone stretch and angle, or any chopper ridden by a man with a roomy backside.


5 Star Rating

04/19/2017 01:16pm

Outstanding seat!! Bought the P-pad too! Looks good and comfortable!


5 Star Rating

04/02/2017 11:34am

It's stylish but at the same time it is one of the most uncomfortable seats I've ever used on my bobber.


5 Star Rating

04/05/2016 02:43pm

Had this seat put on my bike last night. Fit and finish of the seat and the hinge are far above what you find for sale out there. Seat has plenty of size, and looks tottally cool. Request: make some springs for it....


5 Star Rating

12/09/2013 09:35am

replaced my small thin solo seat with this guy and my longer rides are much improved. not only is it higher quality, but the ergonomic shape compared to the old makes a huge difference.


5 Star Rating

11/24/2011 04:15pm

Great finishing! Fast shipping ,the quality is outstanding, solid. Fits very nice on my FX frame. Simply a great seat. I highly recommended.


5 Star Rating

11/09/2011 03:51pm

The name says it all! I bought the diamond pattern solo cause it looks just like my bmx seat when i was a lil kid, it is a perfect fit on my Honda cb650 soft tail bobber and will be getting one for my Harley project.


matt vanderkooy
5 Star Rating

09/27/2011 06:23am

Beauty seat! better in real life than on line!


Chip Fulcher
5 Star Rating

02/11/2011 08:50pm

Great quality product, slick looking, comfy too. The motorcycle lives outside at the moment sadly and this seat seems to resist the elements quite well!


Chuck Walker
5 Star Rating

02/11/2011 08:01pm

Great Product! Superb Quality at a reasonable price. Prompt shipping I will be back as a customer. Chuck Walker


5 Star Rating

09/01/2010 06:12am

I ordered the black diamond solo seat, along with the black chromoly seat hinge. Although I have yet to weld the seat hinge on my frame, I must say that the quality of the seat and hinge are second to none. Biltwell truly lives up to its name. I previously ordered a La Rosa spring seat and sent it back due to its odd color and requested a replacement. I ultimately had to file a claim with my insurance card company because the seller of the seat never responded to me after I sent the seat back and requested a replacement. The Biltwell seat is not only less money than the La Rosa seat, but seemingly of higher quality. What you see on the webpage is what you get, and I would highly recommend the Biltwell seat products to anyone looks for a custom spring seat.