deddings
Look Ma, No Hands!
I believe a Speedster or other camel back frame has straight bars for the seat stay, where as a Manta Ray's is curved (as in the black bike photo). Same goes for a 20" Speedster vs. Fastback.
Hey there 383camino. If you get a chance, please peep the info I shared when you get a chance. Let me know what you think. Thanks!