OK, to put it simply, i want a front disk break (non hydrolic) set to 100% replace my breaks (the type that is more common like on little kids bikes -don't know what there called), I want 26 inch inner tube that self seal (ones that are really good at the job- IE: slime max). Also a seat post with shocks. im using an E bike, and i dont wana lose millage per charge from low PSI in the tube or get a flat or have the break pads from a stock break system be scrapping on my rim reducing millage. I dont wana spend too much, so something like $40-50 on the breaks and $10-18 for both inner tubes, and $20 or less for the seat post. any help and advice would be greatly appreciated.