Alpinestars Supertech R Calf Strap - Black

The Supertech R Calf Strap is a pair of replacement straps designed specifically for Alpinestars S...

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GhostBikes.comAlpinestars Black 50681 - Supertech R Calf Strap (Pair)
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Product Information

Full details

The Alpinestars Supertech R Calf Strap is an essential maintenance accessory designed for owners of Supertech R motorcycle boots who require a secure, reliable closure system. It serves as a direct replacement part to restore the intended fit and safety integrity of the boot's calf area, ensuring the gear performs as expected during high-performance riding. While this product is a perfect functional match for the specified boot series, users should note that it is model-specific and will not be compatible with other boot lines in the Alpinestars collection.

All features

ColourBlack
Model Part Number25SLISUPT
BrandAlpinestars

Extended Product Information

FAQs

Are these straps compatible with Supertech R V2 boots?

These straps are designed for the Supertech R line; please consult your specific boot's manual or product code to ensure exact generation compatibility.

Does the package contain one or two straps?

The product is supplied as a pair, allowing you to replace the straps on both the left and right boots simultaneously.

Do I need special tools to install them?

No, the straps are designed for tool-free installation by sliding them into the existing boot housing.

What is the material of the straps?

They are made from high-durability, weather-resistant synthetic polymers designed for the demanding environment of motorcycle racing.

How often should these be replaced?

Replace them whenever you notice the tension failing, the teeth becoming rounded, or physical fraying of the material.

Troubleshooting

Strap will not lock into position

Ensure the track is clear of dirt and debris, then verify the strap is inserted in the correct orientation.

Difficulty threading the strap through the housing

Apply a very light amount of silicone-based lubricant to the edges of the strap to reduce friction during installation.

Pros and Cons

Pros

  • Genuine Alpinestars replacement part
  • Restores original boot fit and safety
  • Easy to install without professional tools
  • High-grade material longevity

Cons

  • Compatible only with Supertech R models
  • Sold as a replacement pair, not a universal upgrade
  • Requires careful alignment for proper tensioning

Setup, Compatibility & Care

Installation of the calf straps involves carefully threading the new straps through the existing retention housing on the back of the Supertech R boot.

  1. Remove the old strap by sliding it out of the mounting point.
  2. Align the new strap with the track on the boot.
  3. Feed the strap through until it locks securely into the adjustment mechanism.

Compatibility is strictly limited to the Alpinestars Supertech R series. To care for your straps, rinse them with fresh water after riding in muddy or dusty conditions to prevent debris from grinding down the fastening teeth. Periodically inspect the strap surface for signs of fraying or fatigue to ensure they remain safe for track use.

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