The 2019 Proton BMX Bike by Fly features a lightweight and durable Full CrMo frame. The fork has been upgraded to a hydroformed 1-piece steerer tube for enhanced durability and reliability. Additional upgrades include a new Trebol headset, Trebol cranks, a
The 2019 Proton BMX Bike by Fly features a lightweight and durable Full CrMo frame. The fork has been upgraded to a hydroformed 1-piece steerer tube for enhanced durability and reliability. Additional upgrades include a new Trebol headset, Trebol cranks, a durable 510 chain, a taller standover height, and larger bars, all designed to improve handling, feel, and appearance.
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