Zipp 404 firecrest carbon clincher wheelset

Zipp's new 58mm-deep Firecrest rim profile admittedly takes a while to get used to, what with its unusually fat width, nearly board-flat sides, and decidedly blunt nose but when out on the open road the only thing you're likely to think about is, 'holy crap, I'm flying!

Here's how you can win it. Zipp released the new Firecrest wheels in the middle of last year. The biggest difference over their previous models is rim shape. These are not just a revamped version of the tubulars. Zipp widened the sidewalls on the Firecrest.

Zipp 404 firecrest carbon clincher wheelset

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This test is done in still air to ensure the minimal amount of convective cooling possible and we still manage to shed over degrees in a single revolution in still air.

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Here's how you can win it. Zipp released the new Firecrest wheels in the middle of last year. The biggest difference over their previous models is rim shape. These are not just a revamped version of the tubulars. Zipp widened the sidewalls on the Firecrest. As you can see in the illustration below, they are very wide at the tyre

Zipp 404 firecrest carbon clincher wheelset

Help your community and rate it. Tap a star to rate. For greater st. Reasonably light, aero but well behaving in cross winds, and aluminium braking surface is, at least for me, a definitive asset. You need to very careful mounting a tire, my first popped out of the rim for apparently no reason, it was really my fault but I could get away with it on probably any other rim. Excellent wheels, they make huge difference in the headwind, but the first thing you will notice is the ride quality; they are vertically compliant, but laterally stiff. Great on descends, I am not a good descender and I use brakes a lot, never had any problems. I'm updating my previous review of the Zipp clinchers. So far, there have been a few problems: one broken spoke nipple and two broken rear spokes on the rear wheel After several trips to my local bike shops not the place where I purchased the wheels , the rear was eventually replaced.

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According to Zipp, the Carbon Clincher's new composite system was specifically designed to withstand high heat - the most common mode of failure for full carbon clincher rim beads. The problems still came back though. When these get rolling in a straight line they are noticeably fast. Braking performance coming down from those speeds is good with the included Zipp blocks. Unfortunately, that heat build-up also brought with it a disconcerting burning smell, a high-pitched shriek from the carbon-specific Zipp Tangente cork pads, and a bit of fade. Indeed, in our test the s have proven to admirably maintain their structural integrity under high heat conditions with no disconcerting thumping under continuous braking - a telltale indicator that the bead hooks are giving way. Zipp's new 58mm-deep Firecrest rim profile admittedly takes a while to get used to, what with its unusually fat width, nearly board-flat sides, and decidedly blunt nose but when out on the open road the only thing you're likely to think about is, 'holy crap, I'm flying! These are not just a revamped version of the tubulars. I have yet to verify these with longterm testing. Spokes constantly loosening 2.

Yet the Firecrest Carbon Clincher weighs 1, grams per set, providing best-in-class performance at a light weight. The result is improved stiffness, durability, simplicity and versatility. Precision-engineered hubs along with Firecrest technology create something special.

Getting up to the realms where you can really enjoy the 's benefits isn't quite as rosy an experience as we'd hoped, either. Heading out the door? I have yet to verify these with longterm testing. The hubs roll along as smooth as glass and I notice it every time I take them out. Unfortunately, that heat build-up also brought with it a disconcerting burning smell, a high-pitched shriek from the carbon-specific Zipp Tangente cork pads, and a bit of fade. Interestingly, Zipp's new is one of the few carbon rims we've used in recent memory where braking performance was worse when we used our normally benchmark SwissStop yellow pads - they bit much less aggressively and squealed even more. You triathletes reading should be salivating over these wheels. However, when the Lightweights took a tumble , they were expensive to fix or were relegated to the garbage. Up front, there's a matching collar on the opposite side that doesn't adjust bearing preload but is still rotatable so that both sides are matched. The Lightweights accelerated extremely quickly out of the corners and were great for tight crit circuits. Zipp says this infrared image shows the superior heat capacity and dissipation capabilities of its new Carbon Clincher rim. Weight - or more specifically, inertia - seems to be the culprit here. Was it anything to do with the rims heating up? The problems still came back though.