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Cervelo Aspero GRX RX820

Cervelo Aspero GRX RX820

Regular price £4,400.00 GBP
Regular price Sale price £4,400.00 GBP
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In 2019, Áspero took the gravel world by storm, heralding a “new era of speed in gravel.” Fun, but flat out. The new Áspero remains true to its original brief, 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 more aero, of course. In the case of Áspero, aerodynamic performance is less about pure speed as a result of drag reduction, and more about conservation of energy. After a big day in a headwind, the three watts saved over the previous Aspero might add up to one less energy gel your stomach has to digest—WORTH IT. 


In addition to the drag reduction, 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, taking what we learned from R5-CX (and the Unbound mudfest in 2023). 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 Áspero, but is faster, more comfortable, and more versatile.

Sizes 48, 51, 54, 56, 58, 61
Fork Cervélo All-Carbon, Tapered Aspero Fork
Headset FSA IS2 1-1/4 x 1-1/2
Stem Cervélo ST36 Alloy, w Cable Management
Handlebar Cervélo AB09 Carbon, 31.8mm clamp, 16 degree flare
Seatpost Cervélo SP19 Carbon 27.2
Saddle Prologo Dimension NDR T4.0
Shifters Shimano GRX, RX820, 12 speed
Brake Calipers Shimano GRX RX820
Brake Rotor Shimano CL800 Centerlock
Front Derailleur Shimano GRX, RX820, 12 speed
Rear Derailleur Shimano GRX, RX820, 12 speed
Cassette Shimano HG710, 11-36, 12 speed
Chain Shimano M8100, 12 speed
Crankset Shimano GRX 820, 48/31T, 12 Speed
Bottom Bracket FSA, T47 BBright, 24mm spindle
Wheels Fulcrum Rapid Red 300, 12x100(F)/142(R), 24H, 24mm IW, HG freehub, centerlock, tubeless compatible
Thru Axles Cervelo Aero Thru-Axles, 12x100/142
Tires WTB Vulpine TCS Light Fast Rolling Dual DNA 60tpi 700x40c
Accessories Smartpak 400A Top Tube Storage Bag
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Specification