Cervélo Áspero-5 GRX RX827 Di2 1

The Cervélo Áspero-5 is the most aerodynamic gravel bike ever created, delivering a stunning 37 watts of speed advantage over its predecessor and 34 watts over its nearest competitor. Built for the front end of gravel racing, this machine represents three decades of Cervélo's aerodynamic expertise applied directly to off-pavement performance. It made its rainbow-jersey debut under UCI Gravel World Champion Marianne Vos and claimed victory immediately, a testament to engineering that refuses to compromise between speed and capability.

The aerodynamic advantage stems from comprehensive frame optimization and a purpose-built cockpit. The aero handlebar and stem combination alone account for nearly 6 watts of savings, with refined tube shaping and internal cable routing delivering additional efficiency throughout the chassis. The completely internal housing keeps the frame clean and fast, while aero tube profiles work seamlessly with the aerodynamic philosophy Cervélo has perfected across its road racing platforms.

Remarkably, the Áspero-5 achieves this 37-watt performance gain while being 66 grams lighter than its predecessor—a feat accomplished despite adding significant surface area specifically designed for aerodynamic performance. This is engineering efficiency at its finest: faster and lighter through intelligent design, not material compromise.

The bike is immediately race-ready with 45mm tire clearance, a threaded bottom bracket, and downtube storage inspired by Cervélo's P-Series triathlon platform. This storage solution is the lightest and most aerodynamically efficient system on the market, keeping tube, tools, and flat kit inside the frame and out of the wind. The geometry has been optimized for mixed tire configurations, equally sized tires for stable, confidence-inspiring handling on rough courses, or a 4mm tire width differential for increased aerodynamics and sharpened handling on technical terrain.

Shimano GRX RX827 Di2 electronic drivetrain delivers precise, responsive shifting, while the integrated 4iiii Precision power meter provides real-time performance data. Reserve 48/53GR wheels provide the aero efficiency and reliability required for elite-level gravel racing.

Key Features

• Frame - Cervélo All-Carbon
• Drivetrain - Shimano GRX RX827 Di2 with integrated 4iiii Precision power meter
• Wheelset - Reserve 48/53GR carbon with DT Swiss 350 hubs