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The Carbon Number Holder

An ultra light carbon fiber race number holder…because even a very slight advantage can make a difference.

The Razorback

Yeah, we’re obsessed. There, we said it. But it’s that slightly maniacal level of obsession which drove us to design and manufacture the Predator Razorback. Designed to fit most road bikes that use a standard, side-pull rear brake, the Razorback weighs only 8g—or about as much as a handlebar end plug. Yet because of the stiffness in the Razorback’s carbon stabilizer, it can improve aerodynamics (though let’s be real here, it’s a small increase) by reducing the flapping and buffeting that often occurs with homemade mounts.

Razorback 2.0

Now in version 2.0, the Razorback features a larger base plate and an altered hexagonal carbon piece to prevent over-tightening and potential slippage in marriage between the thread and carbon exoskeleton. Our hand-laid carbon plates are now precisely cut by CNC automation.

Customer Reviews

Based on 2 reviews
Rudy Napolitano
Must Have for racers

This is a must have for racers. Leave your packing tape and scissors at home, and have a pro looking number plate at your next race. Light and subtle enough to leave on the bike all season.


I got one on my bike it’s pretty sweet! Don’t really need it but it’s just cool

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