Hi I live in Aoba-ward, Yokohama. Not the same but next to your area.
As for the bike or bike shop, I recommend the bike shop, "Y's Road".
<A Href="http://www.ysroad.net/shops/fuchu.html" target="_blank">http://www.ysroad.net/shops/fuchu.html</A>
Y'sRoad FuchuTamagawa is easy to access from Noborito, I think.
Hope that helps.