CERVELO ASPERO GRX RX825 Di2 2026

Available sizes: 48, 51, 54, 56, 58, 61 cm
Handlebar width:

• 48: 36 cm

• 51: 38 cm

• 54 / 56: 40 cm

• 58 / 61: 42 cm
  Stem length:

• 48 / 51: 80 mm

• 54 / 56: 90 mm

• 58 / 61: 100 mm
  Crank arm length:

• 48 to 56: 170 mm

• 58 / 61: 172.5 mm
  Seatpost offset:

• 0 mm for sizes 48–56

• 15 mm for sizes 58 and 61

Cockpit & front-end

• Fork: Cervélo all-carbon, tapered Aspero

• Headset: FSA IS2 – 1-1/4” (45°x45°) / 1-1/2” (36°x45°)

• Stem: Cervélo ST36 alloy

• Handlebar: Cervélo AB09 carbon, 31.8 mm clamp, 16° flare

• Seatpost: Cervélo SP19 carbon, 27.2 mm

• Saddle: Prologo Nago R4 PAS, steel rails

Drivetrain & braking

• Shifters + Calipers: Shimano GRX RX825 Di2

• Rear derailleur: Shimano GRX RX827 SGS

• Cassette: Shimano XT M8100, 10-51T, 12-speed

• Chain: Shimano M8100

• Crankset: Shimano GRX RX820

• Chainring: Wolf Tooth Components 44T, GRX-specific

• Bottom bracket: FSA T47 BBright, 24 mm spindle

• Power meter: 4iiii Precision GEN3+ (left-side only)

Wheels & tires

• Front wheel: Reserve 40TA GR, DT Swiss 370 hub, 12x100 mm, 24H, Centerlock, tubeless compatible

• Rear wheel: Reserve 44TA GR, DT Swiss 370 hub, 12x142 mm, MS freehub, 24H, Centerlock, tubeless compatible

• Tires: WTB Vulpine TCS Light Fast Rolling, Dual DNA SG, 120 tpi, 700x45c

• Maximum tire clearance:

  • 700c: up to 45 mm

  • 650c: up to 47 mm

Axles & accessories

• Front thru axle: Cervélo Aero TA, M12x1.5 mm, 127 mm

• Rear thru axle: Cervélo Aero TA, M12x1.0 mm, 169 mm

• Front mount: Cervélo Front Computer/Accessory Mount 810

• Rear mount: Cervélo Rear Accessory Mount

• Storage bag: Cervélo Smartpak 400A top tube storage bag