Bones STF - Ryan Crash & Burn - 54mm 99A V4

Crafted in collaboration with pro skater Ryan “Crash & Burn,” these Bones Street Tech Formula (STF) V4 wheels offer explosive speed, flawless slide control, and unmatched resilience. With a 54 mm diameter and a 99A durometer urethane, they excel on rough concrete and smooth ledges alike, making them perfect for skaters who push their limits on every session.

Key Features

STF Urethane Formula: Delivers lightning-fast roll and shock-absorbing landings while resisting flat‑spots, so your wheels stay reliable ride after ride.

V4 High Rebound Shape: Engineered for extra pop and rapid acceleration, providing the responsiveness you need for technical tricks and high-speed runs.

Pro Series Graphics: Bold, custom artwork inspired by Ryan “Crash & Burn” adds a statement look to your deck.

Specifications:

Diameter: 54 mm

Width: 31 mm

Contact Patch: 14.5 mm

Hardness: 99A

Why You’ll Love Them
Whether you’re charging down stairs or grinding handrails, the Bones STF Ryan “Crash & Burn” V4 wheels combine top‑tier speed, slide control, and longevity. Trust these wheels to handle whatever you throw at them—so you can focus on landing that next big trick.