If you love Graziella Bike, but you don't know where hook the pump, this is the item for you :-)
You can buy the BTwin Pump here:
Material: PLA but ABS is better especially on summer when are too hot.
I was born in Bagnacavallo (ra) in 1974, degree in product design at ISIA Faenza (ra). From 2011 to 2014 I was part of the WASProject now I am a graphic, web and product designer, co-founder at FabLab Faenza.