Upvote:2
Here are two alternatives, both businesses on Facebook
Spacejoy is a bicycle rental shop in Belo Horizonte, near the Fox's Lair and the Pampulha Ecological Park at the edge of the lake (próximo a toca da raposa e o parque ecológico na orla da lagoa da Pampulha).
Avenida Otacílio Negrão de Lima 6696
Belo Horizonte, MG 31365450
+55 31 3140-7940
https://www.facebook.com/www.spacejoy.com.br/
Zoobiker is an enthusiasts' group, not a bike rental, but may be able to connect you to what's available in the area.
+55 31 99975-9975
https://www.facebook.com/zoobiker