The 21-speed Shimano gearbox: 7 rear and 3 front

Frame: Step through chrome molybdenum steel

Grips: Brooks Honey

Tape: lizard skin 1

- 21 Speed

Etna PF2 Double Diamond The 21-speed Shimano gearbox: 7Powerframe Mau Double Diamond PF2 model in matt black. Our Double Diamond powerframe stands out for its classic and sophisticated design that represents the perfect union between tradition and innovation. At first glance it seems like a traditional muscle bike when in reality it is a tool to support contemporary mobility. Double Diamond wins the hearts of everyone, from lovers of traditional design to technology enthusiasts. The Double Diamond has an