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Cervelo R5 Ultegra R8070 Di2 Disc Bike 2019

Cervelo's introduction of the Squoval.Max tubeset with the latest R5 is just one of several upgrades and changes for the road race bike. One of the most important has been the reworking of the R5 geometry back to more of a pro-fit starting point, but still with the ability to easily run 28mm tires at all times, even on 25mm wide rims. Cervelo aficionados will quickly identify the aero, square back seattube and seatpost. With this R5 Ultegra R8070 Di2 Disc Bike you get the ultra precise and super responsive Di2 electronic shifting system, impressive hydraulic disc braking, and wonderful ergonomics.

The massive square-oval design of the downtube makes the most impressive statement about Squoval.Max, but every tube on the R5 has been redeveloped to reduce weight, increase lateral stiffness without compromising vertical compliance, and maximizing aerodynamics. From front to back, the redesign fortifies at junctions for increased torsional stiffness to the tune of 21% at the headtube junction and 13% at the bottom bracket, while increased shape integration delivers 14-gram improvement in aerodynamics. The bottom bracket has been lowered, with a 72mm drop. The accompanying D-shaped Aero seatpost features a new rear fastening system, that gets hidden by a fitment that covers the entire junction, improving aerodynamics. The seattube/seatstay cluster exits out the back with a flattened section that adds torsional stiffness before reducing into the thin, vertically compliant stays the R-series bikes are known for.

The lowered bottom bracket, longer reach, lower stack, and shorter headtube of the R5 lengthen and drop the cycling position, in favor of a pro bike fit and weights the bike appropriately. The Cervelo R5 Disc carbon fork was built like the frame, with enhancements to the lateral base stiffness, tire clearance and aerodynamics. As aero research has pushed wheel manufacturers to wider rims, larger tires, and frame/fork air flow integration, cyclists have noticed that 25-28mm road tires can be fast, aero, and reduce road noise and impact. This race-ready R5 Disc bike takes full advantage.

Cervelo's aero integrated Future Proof cable routing that accommodates mechanical and electronic drivetrains carries over, along with the Reduced Friction Bottom Bracket Guide. The Di2 e-Tube wires run down into headube/downtube junction from a port just behind the headtube, similar to the aero-road S5 design. The disc brake model features 12mm thru-axle drop outs to complement the Flat Mount disc set-up, create consistent, perfect rotor alignment with increased overall stiffness and stability with greater tire clearance. Now these developments are catering to the pros, many of who ride dual-pivot caliper brakes, but are looking for the full suite of advancements that come more effectively to frame design with the use of disc brakes.

A long standing key to R5 and other Cervelo bike's lateral stiffness and performance has been the 79mm wide asymmetric BBright bottom bracket design. Cervelo simply changes the carbon lay-up in the fork and frame, through the SquovalMax tubeset to adapt the set-up for disc brake use. Cervelo adds their integrated Reduced Friction Bottom Bracket Guide, and Future Proof internal routing and interchangeable stop system for hydraulic, electronic or mechanical systems. A braze-on front derailleur tab is used, and the rear thru-axle dropout features a replaceable rear derailleur hanger. A rear facing, flush mount wedge system is used to secure the seatpost.

As a complete bike, the R5 Ultegra R8070 Di2 Disc takes full advantage of Shimano's mainstay Ultegra R8070 11-speed Di2 electronic drivetrain, which like it's Dura-Ace R9170 sibling features improved ergonomics of the Dual Control levers to the incredibly efficient R8050 Di2 derailleurs. The short cage rear derailleur handles an 11-30 cassette and the front offers great frame and tire clearance as chainlines get wider with the ruthlessly efficient shifting only Di2 can perform. Cervelo specs the complete bike with the R8000 52-36 crankset and 11-30 cassette, so you get great road range. The hydraulic disc brake calipers are the Ultegra R8070 models for the flat mount standard, and Cervelo stays on-key with the new Ultegra SM-RT800 160mm disc rotors.

The equipped kit is a great match for the drivetrain and overall specifications, yet more cost effective than a comparably equipped Dura-Ace version. The Tubeless Ready DT Swiss PRC 1450 Spline 35 Center Lock Disc wheelset is a great example. The 35mm DT rims and high quality DT hubs make for an exceptionally durable and sure handling platform.The wheels are equipped with 700x25 Continental GP4000s II clinchers (but are Tubeless Ready). With good grip, excellent puncture protection, and smooth, long wearing ride, these are a great match for the wheelset. Cervelo supplies the SP-18 Carbon Seatpost, and their Carbon road stem. The alloy handlebar is the Cervelo Carbon AB06 Aero- which is finished with Cervelo bar tape. A Prologo Zero 2 STN saddle fits and suits many cyclists. Finally, Cervelo provides an FSA IS-2 headset for the full carbon R5 Disc Fork with the tapered 1⅛" to 1½" steerer tube. It is important to note that Cervelo features the RAT thru-axles for both front and rear to speed up wheel changes and ensure a locked-in, reliable closure.

Details

  • Road race geometry, hydraulic disc brake, Di2 electronic shifting complete bike built for performance, comfort and excellence in the in R5 tradition
  • Improved design and lower, more aggressive road race geometry favors responsive, assertive handling and acceleration with tremendous stability and ride quality
  • Frame and fork designed specifically for flat mount disc brakes, thru-axles
  • One-piece rear triangle, slender 1cm flat R5 seatstays, no rim brake bridge
  • Full SquovalMax tubeset design seriously improves lateral stiffness and aerodynamics with a sub 100 gram frame weight, 12/142 thru-axle dropout
  • R5 Carbon Disc Fork, tapered 1⅛" to 1½" steerer, 12/100 thru-axle dropout and internal brake housing routing
  • Tire clearance of frame/fork to 28mm depending on actual tire and rim specifications
  • Future Proof internal cable routing and stop set for mechanical or electronic drivetrains, and internal brake housing
  • Supplied 12mm RAT-type thru-axles front & rear: 12/100mm front,12/142mm rear
  • Full Ultegra R8070/8050/8000 series 11-spd Di2 drivetrain with R8070 Di2/Hydraulics brake Dual Control levers, 52-36 crank/rings, 11-30 cassette, Di2 R8050 front derailleur & rear derailleur, HG701 chain; R8070 flat mount disc calipers, RT800 160mm rotors, Cervelo BBright 24x90 bottom bracket
  • Wheelset: DT Swiss PRC 1450 Spline 35 Center Lock Disc TR, with valves
  • Tires: Continental GP 4000s II tires, with tubes
  • Kit: Cervelo AB06 Aero carbon bar, Cervelo 31.8mm Carbon Stem, Cervelo R5 SP-18 Carbon Seatpost, Cervelo bar wrap; Prologo Zero 2 STN Saddle; FSA IS-2 Tapered 1⅛" to 1½" Headset
  • Component specifics by frame size
    • 48cm Bar width: 38c-c, Stem length: 90mm, Crank length: 170mm
    • 51cm Bar width: 40c-c, Stem length: 90mm, Crank length: 170mm
    • 54cm/56cm Bar width: 42c-c, Stem length: 10mm, Crank length: 172.5mm
    • 58/61cm Bar width: 44-c-c, Stem length: 110mm, Crank length: 175mm
  • Color: Black/Graphite
$6,299.00
Clearance
Reg Price $7,000.00
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Cervelo Geometry Chart

Aspero Geometry
SizeTop Tube LengthHead Tube HeightHead AngleSeat AngleStandover StackReach
48512mm83mm71°74.5°690mm505mm370mm
51532mm107mm71.5°74°732mm530mm379mm
54553mm133mm72°73.5°764mm555mm388mm
56575mm159mm72°73°788mm580mm397mm
58591mm188mm72°73°814mm605mm406mm
61608mm214mm72°73°838mm630mm415mm
R3 Geometry
SizeTop Tube LengthHead Tube HeightHead AngleSeat AngleStandover StackReach
48515mm89mm71°73°693mm505mm360mm
51532mm110mm72°73°723mm530mm369mm
54548mm133mm73°73°753mm555mm378mm
56563mm159mm73°73°784mm580mm387mm
58581mm188mm73°73°815mm605mm396mm
61597mm214mm73°73°846mm630mm405mm
R5 Geometry
SizeTop Tube LengthHead Tube HeightHead AngleSeat AngleStandover StackReach
48516mm83mm71°73°693mm499mm362mm
51532mm103mm72°73°723mm524mm371mm
54548mm125mm73°73°753mm548mm380mm
56564mm151mm73°73°784mm572mm389mm
58581mm178mm73°73°815mm586mm399mm
61598mm203mm73°73°846mm620mm408mm
S3 Geometry
SizeTop Tube LengthHead Tube HeightHead AngleSeat AngleStandover StackReach
48515mm103.4mm71°73°713mm505mm360mm
51532mm123.9mm72°73°742.1mm530mm369mm
54548mm147.2mm73°73°771.5mm555mm378mm
56563mm170.6mm73.5°73°801.3mm580mm386mm
58581mm199.3mm73.5°73°824.9mm605mm396mm
61597mm225.4mm73.5°73°848.6mm630mm405mm
S5 Geometry
SizeTop Tube LengthHead Tube HeightHead AngleSeat AngleStandoverStackReach
48520mm69mm71°73°707.5mm496mm367mm
51535mm87mm72°73°729.2mm519mm376mm
54550mm109mm73°73°747.4mm542mm384mm
56565mm130mm73.5°73°775.3mm565mm392mm
58581mm157mm73.5°73°805.9mm588mm401mm
C-Series Geometry
SizeTop Tube LengthHead Tube HeightHead AngleSeat AngleStandoverStackReach
48515mm108.9mm70°73°699mm527mm352mm
51531mm138.3mm70°73°724mm549mm362mm
54548mm155.8mm71.1°73°755mm572mm372mm
56565mm180.1mm71.5°73°790mm595mm382mm
58581mm207.0mm71.5°73°811mm618mm391mm
61597mm231.2mm71.5°73°839mm641mm400mm