BMW R-series Bobber Subframe Chromoly Steel. Super cool subframe to get that Bobber look on your BMW R-series!
Made for Biltwell seats. Others may fit, but we can't guarantee this.
(First mounting bolt needs to be removed)
The seats that will fit this frame are the Solo Seats by Biltwell ;
- Tuck 'n Roll
- Raw (with foam but no upholstery)