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Gravel Complete Bicycles
Description

These 2022 Aspero Force XPLR AXS bikes have been developed by Excel Sports as frameset-up builds. This is a specific build combination not offered by Cervelo, so we wanted to offer the Force XPLR AXS HRD groupset with the Aspero frameset and gravel-ready Reynolds ATR X carbon wheelset. A Zipp cockpit sets you up nicely. The frameset, wheelset and components are fully covered by each manufacturers factory warranty.

SRAM's Force eTap AXS 1x12 drivetrain is a perfect match for the Cervelo Aspero gravel race frame design. Speed, agility, compliance, and handling performance that allows the rider to attack and endure all day long are what makes this capable, fun bike more like a road bike than any gravel option we have seen to date. The Aspero Force eTap AXS 1 will surely deliver for those who love to go out and rip it up. This is a gravel bike for hard single day efforts in training or racing modes, or 2-3 hour rides with friends on country roads and hardpack trails. Cervelo has designed a frameset with somewhat unique features and properties that deliver a gravel riding experience road cyclists will embrace.

Inspiration from the Aspero frame construction and features has come from several Cervelo models, yet the design has been engineered from the frame up for the race gravel concept for which it was conceived. You will see the R3's Squoval.Max tubeset shapes in the Aspero, along with details from the C, S, and P series models. Aero inspiration has always a driving force for Cervelo, and the toptube shares the shape and a hidden 2-bolt SmartPak bag mount of the P5 that is compatible with several aero and storage bags available today. The internal reference design points exemplify elements of Cervelo's best engineering to date, and all serve the gravel race concept: fit, speed, balance, handling, and set-up flexibility.

That said, it is the engineering behind the frame geometry, fork design, an adjustable trail set-up, and overall frame stability that define the Aspero. One major goal was to provide the clearance necessary for 650b x 51mm tires, or 700c x 43mm tires with at least 4mm on either side to spare. This was accomplished in a few key ways. Up front the fork legs have a new carbon lay-up and shaping from the large 12mm thru-axle dropout on up, with an integrated crown that isn't as vertically thick as you'd expect, yet still inherently strong and gravel ready with great rounded tire clearance. Cervelo also was able to maintain a standard front-center measurement, by elongating the top tube, maintaining a road-style seattube angle, and proper trail via an adjustable front dropout design. The center of gravity is moved rearwards, as the headtube angles are more gravel/cyclocross than road. The impressive fork design and integrated headset means that the forward cockpit position feels more like a road bike- your saddle drop to bar can be more like your road fit. At the rear triangle a 420mm chainstay length was achieved with the familiar dropped chainstay design, and a seat-tube cut-out for stability and power response.

The engineers focused on the Aspero handling properly regardless of wheel and tire size, without compromising the headtube angle. The concept of fork "Trail" is best known in the mountain bike world, but is relevant across all cycling. Cervelo's Trail Mixer system allows the rider to keep effective 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, which is what faster, race-oriented users want on more technical surfaces. If you moved it to the -5mm rearward position, it would slow the handling down, perhaps better for long, flat rides on firmer, smoother, less technical surfaces. The principles of Trail set-up come down to the outside diameter of a mounted tire and desired handling characteristics to determine your Trail Mixer set-up. This is true for 650b use, or running a lower volume 700c tire.

The use of the modified Squoval.Max tubeset is clear with the Aspero featuring a substantially larger downtube and massive bottom bracket junction over the R3. The integrated fork crown and downtube design resembles the Dropped Downtube of the aero bikes but it seems more functional for strength and visual balance from the tapered headtube through the downtube. The seattube features a squared back, cut-out design, but carries a 27.2mm round seatpost, which can provide more vertical compliance and offers more options. Everything, from the dropped, oversized chainstays, slightly curved, shaped aero seatstays, rear dropouts and Flat Mount disc interface are all stouter for increased strength. A modified Future Proof cable guide/internal routing system has an option for a cabled or hydraulic dropper seatpost, and a bolt-on downtube protector handles the debris coming off the front wheel.

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Features

  • Wonderfully capable Excel Build carbon gravel race bike featuring SRAM Force eTap XPLR AXS 1 HRD 12-Speed
  • Lower, more stable road-like feel from overall geometry, chainstay length, BB drop
  • Longer toptube moves COG back; low forward position; 62mm optimal Trail
  • 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
  • Trail Mixer design maintains BB drop, effective headtube angle in any setting
  • Full carbon tapered fork designed for Aspero, with thru-axle, Flat Mount disc
  • Fork features aero integration to downtube with larger, stouter crown design
  • Large downtube BBright shell transitions deftly into oversized dropped chainstays
  • 1x/2x compatible, with mechanical or electronic shifting systems
  • Bolt-on downtube frame protector, two bolt toptube bag mount w/cover
  • Threaded thru-axles: 12/100mm fork, 12/142mm rear
  • Front derailleur mount removed for 1x chainring set-up
  • Specifications:
  • Groupset: SRAM Force eTap AXS 1 / HRD
    • Shifters: Force eTap AXS 1x, with DOT based hydraulic braking set-up
    • Brake Calipers/Rotors: Force HRD Flat Mount / Paceline 160mm CL rotors
    • Rear Derailleur: Force XPLR eTap AXS w/ battery & charging dock
    • Crankset/BB: Force AXS 40T / SRAM DUB-BBright
    • Cassette/Chain: Force XG1271 10-44T / Force 12-spd Flattop
  • Wheelset & Tires
    • Reynolds ATR X Carbon; 40mm profile, 23mm IRW, 32mm ERW, XDR, CL disc
    • Panaracer Gravel King SK Tubeless 700x38, w/tubes
  • Cockpit:
    • Handlebar: Zipp Service Course 70 XPLR, 31.8mm; Reach 70mm, Drop 110mm, 5° drop flare
    • Stem: Zipp Service Course SL, 31.8mm
    • Seatpost: Cervelo SP19 Carbon 27.2mm round (or Easton EC70)
    • Saddle: San Marco Aspide Racing Xsilite Open Fit Narrow
  • Cervelo accessories: Stem Faceplate Computer/Accessory mount, Rear Accessory Mount, and Smartpak 400A Top Tube Storage Bag, Downtube Protector
  • Component specifics by frame size
    • 48cm Bar width: 42 o-o, Stem length: 80mm, Crank length: 165mm, Post offset: Zero
    • 56cm Bar width: 44 o-o, Stem length: 90mm, Crank length: 172.5mm, Post offset: 25mm SB
    • 61cm Bar width: 46 o-o, Stem length: 110mm, Crank length: 175mm, Post offset: 25mm SB
  • Color: Satin Black, Lime Shimmer
  • Weight: 18.26 lbs (56cm)
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Geometry
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
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