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Gravel Complete Bicycles

Cervelo Aspero-5 GRX Di2 Bicycle 2022

Note: Component Specifications are subject to change due to supply chain challenges.

Cervelo delivers the Aspero-5, with real upgrades in terms of reduced weight, greater lateral stiffness, increased emphasis on aerodynamics, and component grades, making it perhaps the purest gravel race model, with higher grade carbon fiber, a new lay-up schedule and major refinements that drive performance higher. Built here with Shimano's impressive 2x11 GRX Di2 drivetrain and hydraulic disc brakes, with an exciting Cervelo kit including Reserve carbon wheels, the Aspero-5 GRX RX815 Di2 Bicycle is performance built, right out of the box.

The Aspero-5 frameset retains the popular, proven Aspero geometry and Trail Mixer fork chip system, as well as an appearance with tube shapes that are largely the same. A closer inspection indicates a fully internal wiring and housing system, and a refined headtube. The Aspero-5 has the D-shaped fork steerer tube design seen on other 5-series bikes, which in combination with the included Carbon AB09 16° Flared Carbon Handlebar and Cervélo ST32 Alloy Stem, work with the steerer and the frame to bring the routing internal from the levers on back. An All-Carbon Tapered Áspero Fork with Adjustable Trail and headtube shape offer refined aerodynamics, enhanced by the internal routing. Not only is a completed bike visually clean- but faster. Cervelo's internal testing measures aero improvement at 32G of reduced drag over the standard Aspero.

Cervelo made some intelligent choices, such as carrying over the 27.2mm round seatpost, which offers the rider more options, including the opportunity to run a dropper post. The Aspero-5 includes the compliant carbon Cervelo SP19 27.2mm seatpost. Again, given this is a race-oriented bike, the frame and fork deliver clearance necessary for 650b x 51mm tires, or 700c x 43mm tires with at least 4mm on either side to spare. Cervelo is cognizant that for many of the longest, harshest events were capability and speed must be balanced with bike control, many racers will opt for 650b/27.5" wheels and may also want a dropper post.

The engineers were particularly focused on making sure the Aspero and Aspero-5 handled properly. Cervelo is using their Trail Mixer system to allow the rider to keep effective fork Trail at 62mm. Larger variations in tire size effect the rearward position of the tire- affecting handling and toe-overlap clearance. By using off center, bolt-in 12mm thru-axle drop outs, the rider can select the +5 forward position or the -5 rear position of the axle. With a 700x42 gravel tire set-up, the +5mm forward is the proper position for best active handling and nimble bike control. If you moved it to the -5mm rearward position, it would slow the handling down. Cervelo has a more complete explanation of the mechanically simple Trail Mixer system on their website so you can select your option based on tire size and handling preference.

What is amazing about geometry of the Aspero is that isn't road-like, but it feels like a more natural transition from a road bike than most gravel race designs. The handling speed and control are there, and the toptube measurements are longer, with the frame center of gravity pushed back a little, while a shorter length stem is used to control the front end. When you take it out on the road, perhaps to transition to your gravel access, the Aspero-5 won't feel awkward or uncomfortable, yet it will handle gravel and even twisty singletrack with aplomb.

Along with the bike, which includes the stem, handlebar and seatpost, Cervelo also adds several of their accessories, including the Stem Faceplate Computer/Accessory mount, Rear Accessory Mount, and Smartpak 400A Top Tube Storage Bag. A proprietary stem spacer kit is also included for minor set-up adjustments. In our decades of experience with Cervelo, the 5-series bikes have been well worth the upgrade for those looking for premium performance and refinement. The Aspero-5 offers measurable benefits these cyclists will embrace and apply to their fullest with this complete 2x11 GRX RX815 Di2 Bicycle.

Features

  • Premium grade gravel race carbon GRX Di2/disc brake bicycle that improves on original design
  • Upgraded carbon fiber, and lay-up schedule for stiffer, faster design with aerodynamic improvements
  • Use of D-shaped, tapered carbon fork steerer design, with included bar & stem for full wire/housing integration including dropper post
  • Change allows for more aero headtube design and reduced drag from integrated routing
  • Lower, more stable road-like feel from overall geometry, chainstay length, BB drop
  • Accepts 700c x 43mm tires / 650b x 51mm tires; minimum 4mm side clearance
  • Trail Mixer fork dropouts can be switched for +/- 5mm selectable fork offset; 62mm optimal Trail
  • Forward position=decreased trail=faster handling | Rearward position=increased trail=slower handling
  • Squoval.Max tube designs, enlarged and enhanced for rough surfaces; fork/downtube integration
  • Large downtube BBright bottom bracket shell w/ oversized dropped chainstays
  • Carbon lay-up, round seatpost, larger volume tires contribute to rider comfort
  • 1x/2x compatible, with mechanical or electronic shifting systems; removable braze-on FD mount
  • Frameset
    • Frame: Aspero-5 Carbon, full internal routing, Flat Mount caliper interface, 12/142mm TA dropout
    • Fork: Tapered Áspero-5 Fork, Adjustable Trail; D-Shaped steerer, Flat Mount caliper interface, 12/100mm TA dropout
    • Headset: FSA IS-2 1¼ x 1½"
    • Thru-axles: Cervelo indexed/threaded: 12/100mm, 12/142mm
  • Groupset: Shimano GRX 815 Di2 2x11 w/ hydraulic disc braking; internal eTube wiring, seatpost battery
    • Dual Control levers: Di2 Shifting with mineral oil based hydraulic braking set-up
    • Brake Calipers/Rotors: Shimano GRX RX815 Hydraulic Disc w/ SM-RT800 CL 160mm rotors
    • Derailleurs: GRX 815 Di2 Front (braze-on), Rear (up to 34T max cog)
    • Crankset/BB: GRX 810 48/31T / Cervelo BBright JY-BB 24 bottom bracket
    • Cassette/Chain: HG800 11-34T / CN701
  • Wheelset & Tires
    • Cervelo Reserve with 32mm Carbon rims (IRW 24mm), TLR, DT350 HG11, CL disc
    • Panaracer Gravel King SK TLR 700x38
  • Cockpit & Accessories
    • Handlebar: Carbon AB09 16° Flared Carbon, 31.8mm, integrated routing; Cervelo bar tape
    • Stem: Cervélo ST32 Alloy, 31.8, (for Cervelo D-shaped fork steerer tube, integrated routing)
    • Seatpost: Cervelo SP19 Carbon 27.2mm round (48-54cm Zero offset, 56-61cm, 25mm setback)
    • Saddle: Prologo Dimension Nack
    • Cervelo accessories: Stem Faceplate Computer/Acc mount, Rear Accessory Mount, and Smartpak 400A Top Tube Storage Bag, Downtube Protector
  • Note: Component Specifications are subject to change without notice due to supply chain challenges
  • Component specifics by frame size:
    • 48cm Bar width: 38c-c, Stem length: 70mm, Crank length: 165mm
    • 51cm Bar width: 40c-c, Stem length: 80mm, Crank length: 170mm
    • 54cm/56cm Bar width: 42c-c, Stem length: 90mm, Crank length: 172.5mm
    • 58cm/61cm Bar width: 44-c-c, Stem length: 100mm, Crank length: 175mm
  • Note: Component Specifications are subject to change without notice due to supply chain challenges
  • Colors: Purple Sunset, Five Black
  • Sizes: 48, 51, 54, 56, 58, 61 cm
  • Weight: 18.69 lbs (56cm)
Cervelo Aspero
Size 48 51 54 56 58 61
Wheel Size 700 700 700 700 700 700
Stack 505mm 530mm 555mm 580mm 605mm 630mm
Reach 370mm 379mm 388mm 397mm 406mm 415mm
Head Angle 71° 71.5° 72° 72° 72° 72°
Seat Angle 74.5° 74° 73.5° 73° 73° 73°
Top Tube Length 512mm 532mm 553mm 575mm 591mm 608mm
Head Tube Length 83mm 107mm 133mm 159mm 188mm 314mm
Standover 690mm 732mm 764mm 788mm 814mm 838mm
Fork Trail 58.6mm 58.6mm 58.6mm 58.6mm 58.6mm 58.6mm
Fork Offset 52mm 49mm 46mm 46mm 46mm 46mm
Bottom Bracket Drop 78.5mm 78.5mm 76mm 76mm 73.5mm 73.5mm
Front Center 583mm 592mm 602mm 619mm 637mm 654mm
Wheelbase 990mm 1000mm 1010mm 1027mm 1046mm 1063mm
Chainstay Length 420mm 420mm 420mm 420mm 420mm 420mm