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Prestacycle

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Pro Presta Head
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Prestacycle
Prestacycle's Pro Presta head features a patented auto-lock mechanism that securely attaches to the Presta valve without pulling or twisting. It seals without clamping the valve and has easy-grip sides for pressing the red release button, ensuring an instant, no-loss disconnect for accurate tire pressure. Designed for professional use, it includes a durable steel head and a 90-degree angle for easy access. Compatible with all Prestaflator tools (except ECO), it upgrades most premium floor pumps, eliminating the need for unsafe clamping and thread-on heads.
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Makes switching chainrings very easy… although you do need a specific tool for the job.
The new price for a replacement for my gen2 is silly. This one is better price and works, you just have to swap the bash guard and bumper at top. This is a better price and I also got a sale discount. much more reasonable. Thanks!
I'm glad I bought these guards. They do what they're made for: No more bruised or bloody ankles from smacking rocks or cranks. I do have to say, however, that the photo seems a little misleading to me. I thought these would have a smooth finish like other G-Form products, based on the photo. Instead, they are fabric, so only time will tell on durability.