Extra rare Silver-Magnesium version to boot! Super light – Magnesium (lighter than aluminum). One wheel has a couple of large chips in it (They all need to be replaced to be safe to ride). See finger point pics for any cosmetic blemishes. Label: Reliable Racing Supply (RRS). Company: Reliable Racing Supply (RRS). Location: Glens Falls, New York. RRS – Reliable Racing Supply Glens Falls, NY Made in USA. What CHATGPT says about this board and a wheel replacement. Yes, the wheels on your Techni-Ski skateboard can be swapped out – but there are a few important compatibility details to check first. Axle Diameter (likely? Or 10mm). Older boards like the Techni-Ski often use a non-standard axle diameter – typically larger than modern 8mm (5/16) axles. Yours looks like it might be? (9.5mm or 10mm) based on the trucks and wheel hubs. Most modern bearings are made for 8mm axles, but 10mm bearings are still available. Wheel Width and Diameter. Your original wheels are. Extra wide, likely around 60-65mm wide. Diameter appears to be around 60-70mm. Likely made of a very hard urethane or rubber compound. Modern wheels that are similarly wide and suitable for cruising or downhill (where width helps with grip and stability). Recommended Modern Replacements (Wide Wheels). Seismic Speed Vent 77mm x 52mm. Abec 11 BigZig HD 75mm x 53mm. Cloud Ride Slusheez 62mm x 45mm. Orangatang Caguama 85mm x 58.5mm (if you want oversized wheels – might need risers). These will ride smoother, grippier, and quieter than your current rubber wheels, and they’ll also modernize the feel dramatically. Bearings for 10mm Axles. If your Techni-Ski axles are 10mm, you’ll need. Bearings like Bones 10mm Swiss, Riptide 10mm, or Rogue 10mm. Alternatively, use 8mm bearings with 10mm axle sleeves, but this is less reliable under load. Spacer and Speed Ring Fit. Modern wheels often require. Bearing spacers inside the core (especially for wide wheels). Speed rings on each side to reduce friction. Summary of What You Need. Confirm axle size (likely 10mm). Get wide, modern urethane wheels (45mm+ width). Use 10mm ID bearings (or adapters). Ensure axle length can accommodate wide cores + spacers.

Vintage Techni-Ski magnesium skateboard, produced in the late 1970s. These boards were originally designed to mimic the feel of downhill skiing on pavement. Built from solid magnesium alloy, they were ahead of their time in both design and durability. Crafted from solid magnesium alloy, this was built for speed and carving long before longboards became a thing. It’s a rare collectible. Original yellow magnesium deck – iconic design with aggressive contours. Stamped Techni-Ski trucks – original wide-stance design for control. Vintage red urethane wheels – spin freely, no flat spots. Original dual grip zones – classic 70s texture for traction. No cracks or repairs – just authentic wear and story-rich character While a few are floating around at premium prices, this one’s the real deal. Complete, unmodified, and true to era. Rich yellow color still pops Others might be listing them, but this is the board you display, ride, or invest in. ? Condition Notes: Naturally aged with surface scuffs, edge dings, and some paint wear-(Original) Board that hasn’t been tampered with. Solid and structurally sound. Trucks are firm and functional.