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Cervelo Aspero GRX RX820

Cervelo Aspero GRX RX820
  • Color: Woodsmoke
  • Color: Sea Ice
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Details

"New Era of Speed in Gravel"
We may not have made the first gravel bike, but we definitely made the fastest gravel bike. In 2019, Áspero took the world by storm, heralding a “new era of speed in gravel.” It was gravel, Cervelo-style. Since then, gravel bikes have grown, fragmented, and started to look a lot like the road and mountain bikes that spawned them, with suspension forks, bolt-ons for...everything, and ever-increasing tire widths

The new Áspero remains true to those early, simpler days of gravel, but with some improvements—a threaded BB shell, neater cable routing, and a UDH-compatible derailleur hanger for those who want to use SRAM’s Transmission drivetrains. And it’s faster, of course. We shaved off three watts worth of drag in the redesign process. We also dropped the seat stays to give a bit more compliance out back, and reduced front-end stiffness slightly to make the last hours of a long race less painful. Between those dropped seat stays, we added in a bit more clearance for mud, too. Aspero will clear a 45mm tire by ISO standards. ISO TRUE TO THE EARLY DAYS mandates a minimum of 4mm of clearance between tire and frame in all dimensions, but we’ve found (and we think folks at last year’s unbound will agree) that sometimes you need a bit more than 4mm in muddy conditions. We designed the Aspero around 42mm tires with an additional 3mm of clearance on top of what ISO requires, but if you’re feeling lucky (or your rides are typically dry), feel free to push that to 45mm.It’s a lot of seemingly small improvements, but they add up to a lot. The result is a bike that feels a lot like the original Aspero, but is faster, more comfortable, and more versatile.

Specs

Fork Cervélo All-Carbon, Tapered Áspero Fork
Headset FSA IS2 1-1/4 x 1-1/2
Rims/Wheels Fulcrum Rapid Red 300, 12x100(F)/142(R), 24H, 24mm IW, HG freehub, centerlock, tubeless compatible
Tires WTB Vulpine TCS Light Fast Rolling Dual DNA 60tpi 700x40c
Crankset Shimano GRX 820, 48/31T, 12 Speed
Bottom Bracket FSA, T47 BBright, 24mm spindle
Chain Shimano M8100, 12 speed
Front Derailleur Shimano GRX, RX820, 12 speed
Rear Derailleur Shimano GRX, RX820, 12 speed
Rear Cogs Shimano HG710, 11-36, 12 speed
Shifters Shimano GRX, RX820, 12 speed
Handlebars Cervélo AB09 Carbon, 31.8mm clamp, 16 degree flare
Stem Cervélo ST36 Alloy, w Cable Management
Brakes Shimano GRX RX820
Saddle Prologo Dimension NDR T4.0
Seat Post Cervélo SP19 Carbon 27.2
Accessories & Extras Smartpak 400A Top Tube Storage Bag

* Subject to change without notice.