only go with the blend if you're a slightly shorter rider.

and when you backpedal, it isnt propelling the bike backwards. the pawls in a cassette hub will catch and cause you to backpedal. not backpedaling while riding is only done with a freecoaster, of which i am ordering in the next couple days. theres a BIIIIIIIG difference between the two. check it out on the web.