2025 CERVELO ASPERO GRX RX820 GRAVEL BIKE
In 2019, the Áspero revolutionized the gravel biking scene, ushering in a “new era of speed” that blended exhilaration with efficiency. Staying true to its roots, the latest Áspero model enhances its design with key updates: a threaded bottom bracket shell for increased durability, cleaner cable routing for a sleeker look, and a Universal Derailleur Hanger (UDH) compatible with SRAM’s latest drivetrains. Additionally, the new Áspero boasts improved aerodynamics—not merely to cut through the wind faster, but to conserve energy more effectively. The minor aerodynamic gains could mean saving the energy equivalent of one less gel after a grueling day against the wind—certainly a worthwhile trade.
Further refinements include lowered seat stays for added compliance, slightly reduced front-end stiffness to ease fatigue in long races, and increased mud clearance inspired by insights from the R5-CX and the challenging conditions at Unbound 2023. These enhancements, though subtle, collectively elevate the Áspero. The result is a bike that remains faithful to the feel of the original yet offers faster, more comfortable, and more versatile performance.
SPECIFICATION :
| Fork | Cervélo All-Carbon, Tapered Aspero Fork |
| Headset | FSA IS2 1-1/4 x 1-1/2 |
| Thru Axles | Cervelo Aero Thru-Axles, 12×100/142 |
| Wheelset | Fulcrum Rapid Red 300, 12×100(F)/142(R), 24H, 24mm IW, HG freehub, centerlock, tubeless compatible |
| Tire | 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 |
| Cassette | Shimano HG710, 11-36, 12 speed |
| Left Shifter/Brake | Shimano GRX, RX820, 12 speed |
| Right Shifter/Brake | Shimano GRX, RX820, 12 speed |
| Handlebar | Cervélo AB09 Carbon, 31.8mm clamp, 16 degree flare |
| Stem | Cervélo ST36 Alloy, w Cable Management |
| Brake Calipers | Shimano GRX RX820 |
| Saddle | Prologo Dimension NDR T4.0 |
| Seatpost | Cervélo SP19 Carbon 27.2 |
| Brake Rotors | Shimano CL800 Centerlock |
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