Head to headRoad

V4Rs

vs

795 Blade RS

Colnago
Look
Colnago V4Rs
Look 795 Blade RS
Starting price
V4Rs$7,000
795 Blade RS$10,700
Claimed weight
V4Rs120.00 kg (264.6 lb)
795 Blade RS7.50 kg (16.5 lb)
Tire clearance
V4Rs30 mm
795 Blade RS30 mm
Builds available
V4Rs5
795 Blade RS7
01 / Overview

Two race bikes, two definitions of fast.

The Colnago V4Rs is a stiff Tour-winning all-rounder that comes alive on descents. The Look 795 Blade RS is an aero bike that climbs — uncompromisingly stiff and built for smooth tarmac.

Colnago

V4Rs

  • Descending composure — a slacker 71.5-degree head angle and ~63 mm trail make it 'unerringly poised' at speed (BikeRadar).
  • Stiffness without harshness — Colnago tuned the seatstays and seatpost to take the edge off road buzz despite a sprint-ready frame.
  • Lower entry price — complete builds start at $7,000 with Force AXS, $8,500 with Ultegra Di2.
  • Ride is 'underwhelming' at low speeds per Cycling News — needs to be ridden hard to come alive.
  • Long, low geometry is pro-spec; reach figures may not suit less-flexible riders without a stem swap.
Look

795 Blade RS

  • Whip-crack stiffness — Cycling Weekly measured a 7% bottom-bracket stiffness gain over the previous 795; sprints feel 'instantaneous.'
  • Two-piece modular cockpit — bar and stem separate, so length swaps don't require re-routing hoses.
  • Climbs better than its weight suggests — a steep 74.5-degree seat tube and direct power transfer let it 'hide its weight on the climbs' (Cycling Weekly).
  • Harsh on rough roads — multiple reviewers flag fatigue on broken tarmac.
  • No power meter on Shimano builds, even at $10,700+, while many rivals include one.

Editor’s analysis

Both bikes are Tour-tested race weapons. They get there with completely different priorities — stability and balance on one side, raw stiffness on the other.

The Colnago V4Rs and Look 795 Blade RS sit in the same WorldTour bracket and compete for the same buyer: the rider who wants a no-compromises race bike. Pogačar wins on the V4Rs; Cofidis races the 795 Blade RS. Both retail well into five figures. Both run integrated cockpits and T47 bottom brackets. From there, the philosophies diverge.

Colnago's pitch is balance. The V4Rs frame is stiff — Colnago claims 4–5% stiffer than the V3Rs in sprint and seated efforts — but the brand tuned that stiffness around real-world rider feedback. Reviewers consistently call out the bike's 'surprisingly comfortable' ride and its descending composure: a slacker head angle (71.5 degrees on a 485) and roughly 63 mm of trail give the V4Rs the kind of high-speed stability that lets you actually use its power. It's a stiff bike that doesn't punish you on a four-hour day.

The Look 795 Blade RS picks a lane and does not deviate. Reviewers describe the bottom bracket as 'rock-solid' and the ride as 'whip-crack sharp,' but on broken pavement that same rigidity becomes a liability — BikeRadar called the ride 'unforgivingly rigid.' Geometry is steep across the board: a 73-degree head angle on the M, 59.3 mm of trail, agile and light. It's an aero bike Cycling News calls 'a climber's aero bike,' but it is also a bike that demands smooth roads and a rider willing to trade compliance for instant power transfer.

Put another way: the Colnago V4Rs is the bike you take to the Alps because the descents are as long as the climbs. The Look 795 Blade RS is the bike you take to a closed-circuit crit on freshly paved tarmac, where every watt counts and there are no potholes to absorb.

03 / Specifications

Where the builds differ.

Comparing our editor's-pick builds side-by-side. Winners highlighted row-by-row — lower price and weight, and the better-spec component, each mark a point.

01Frameset
V4Rs
Shimano Ultegra Di2 12s · $8,500
795 Blade RS
Ultegra Di2 · $10,700
Claimed weight
120.00 kg (264.6 lb)
7.50 kg (16.5 lb)
Frame material
Colnago V4Rs Monocoque carbon frame
Fork
Carbon fork for disc brakes, integrated cables, 1"1/8 steerer section
Tire clearance
30 mm
30 mm
02Groupset
Shimano Ultegra Di2 12-speed
Shimano Ultegra Di2 12-speed
Shift levers
Shimano Ultegra Di2 ST-R8170 (12-speed, hydraulic)
SHIMANO Ultegra Di2 R8170
Rear derailleur
Shimano Shadow RD-R8150
SHIMANO Ultegra Di2 R8150
Cassette
11-30T (default) or 11-34T
SHIMANO Ultegra R8101 11/34T
Crankset
Chainrings options: 52/36T (default) or 50/34T; crank length options: 170mm (sizes 420–485), 172.5mm (sizes 510–530), 175mm (sizes 550–570)
SHIMANO Ultegra R8100 12SP. 52/36T
Brakes
Shimano Ultegra R8170 hydraulic disc (flat mount)
SHIMANO Ultegra Di2 R8170
03Wheelset
Fulcrum Racing Wind 420 DB
LOOK R50D Carbon
Front wheel
Wheel options: Fulcrum Racing Wind 420 DB (carbon) or Fulcrum Racing 600 DB (aluminium)
LOOK R50D Carbon
Rear wheel
Wheel options: Fulcrum Racing Wind 420 DB (carbon) or Fulcrum Racing 600 DB (aluminium)
LOOK R50D Carbon
Front tire
Pirelli P Zero Race 700x28 (with Fulcrum Wind 420 DB) or Pirelli P7 Sport 700x28 (with Fulcrum Racing 600 DB)
Continental GP 5000 TLR 28 mm
04Cockpit
Colnago CC.01 integrated
LOOK Combo Aero Carbon (two-piece)
Handlebar / stem
Colnago CC.01 integrated cockpit (regular geometry)
LOOK Aero Combo Handlebars
Saddle
Prologo Scratch M5 Tirox or Selle Italia Novus Boost EVO TI316 Superflow (subject to stock availability)
LOOK Shortfit Dynamic 2,0 by SAN MARCO
Seatpost
Carbon seatpost, 0.15 offset, D-shape section
LOOK Aero Post 4 Carbon
03.1

Build variants & pricing

Both run from one-down Ultegra Di2 up through Dura-Ace, Red AXS, and Campagnolo Super Record flagships. The Look starts $2,200 above the Colnago at every comparable tier.

Prices are current US MSRP. The Colnago entry build (Force AXS at $7,000) lacks fully-published spec sheets — buyers should confirm the build sheet with their dealer. The Look's Shimano builds notably ship without a power meter.

04 / Geometry

How they fit, how they steer.

Comparing the V4Rs in 485 against the 795 Blade RS in M: the Look sits 10 mm taller (stack 549 vs 539) and 8 mm longer (reach 391 vs 383). The Colnago's 71.5-degree head angle is 1.5 degrees slacker — that's where its descending stability comes from.

Reach × Stack · size 485 / Mmm
Where the handlebar sits relative to the bottom bracket — the single most important fit pair.
ENDURANCERACE / AERO375385395530550570REACH →STACK ↑+8 reach+10 stackV4Rs383 · 539795 Blade RS391.2 · 549.2
V4Rs
795 Blade RS
size 485 / M
Reach8mm
383 mm391 mm
Stack10mm
539 mm549 mm
Head tube angle1.5°
71.5°73.0°
Trail
59 mm
Chainstay length2mm
408 mm410 mm
Wheelbase
Top tube (effective)9mm
535 mm544 mm
04.1

Which size should I buy?

Size picks come from stack, reach, and effective top tube. The Look's M and the Colnago's 485 are the closest match for this rider profile, but the Colnago range extends further at the small end (down to 420).

Your height
5'8"173 cm
5'0"5'5"5'10"6'3"6'7"
V4Rs
Fits riders in this height range.
795 Blade RS
S
5'7" – 5'9"
Fits riders in this height range.

These are starting points. Flexibility, riding style, and preferred position all shift the answer — if you’re between sizes, a professional fit beats a chart.

06 / The verdict

Which one should you buy?

If you live for long descents and varied roads, get the V4Rs. If your riding is flat, fast, and on smooth tarmac, get the 795 Blade RS.

Best for the all-condition racer

V4Rs

If you want a Tour-winning frame that handles a four-hour ride on imperfect roads as confidently as it handles a sprint — and you want the option of a sub-$10k build — the V4Rs is the more versatile pick. Its descending composure is the closer's argument.

All-condition raceConfident descenderLower entry pricePro-tour pedigree
From$7,000
View V4Rs builds
Best for the smooth-tarmac specialist

795 Blade RS

If most of your riding is on well-paved European-style roads and you want a bike that translates every watt into forward motion with zero flex, the 795 Blade RS is the sharper instrument. Just be honest about your road quality before you buy.

Pure stiffnessAero-climber hybridModular cockpitSmooth-road bias
From$10,700
View 795 Blade RS builds
07 / FAQ

Questions buyers actually ask.

Short answers to the things we get emailed about most often.

01Which is the more comfortable bike?

The Colnago V4Rs, by a clear margin. Reviewers consistently describe the V4Rs as 'surprisingly comfortable' for a race bike, attributing it to seatstay and seatpost tuning that takes the edge off road buzz.

The Look 795 Blade RS, by contrast, is widely flagged as harsh on broken pavement — BikeRadar called the ride 'unforgivingly rigid' and noted increased rider fatigue on longer rides over rough surfaces. Both are stiff race bikes; the Colnago hides it better.

02Which descends better?

The V4Rs, and it's not particularly close. Colnago specced a slacker 71.5-degree head angle (on size 485) than is typical for a modern race bike, producing roughly 63 mm of trail with 28 mm tires.

Reviewers from BikeRadar to Just Ride Bikes single out descending as the V4Rs's standout feature, calling it 'unerringly poised.' The Look's 73-degree head angle and 59.3 mm trail prioritize sharper turn-in over high-speed stability — fine on a closed crit course, less reassuring on a long alpine descent.

03What's the maximum tire clearance?

Both frames are listed at 30 mm in the catalog data. Some Colnago marketing materials cite 32 mm; verify with your dealer if maximum clearance matters to you.

Neither bike is designed for gravel or chip-seal — both are pure-road race frames optimized for 28 mm tires on smooth pavement.

04Why does the Look cost so much more?

Look's entry price ($10,700 for Ultegra Di2) sits roughly $2,200 above the Colnago's equivalent build ($8,500). Part of it is brand and production scale; part of it is that Look bundles its proprietary Combo Aero cockpit and LOOK R50D wheels at every level.

Critically, the Shimano-equipped Look builds do not include a power meter — multiple reviewers flag this as a value miss given the price. The Colnago Ultegra build typically ships without one too, but at a noticeably lower starting cost.

05Which is better for climbing?

Roughly even — but for different reasons.

The Look has a steeper 74.5-degree seat tube angle that opens the hip angle and improves out-of-saddle leverage; reviewers say it 'screams for standing climbs at max heart rate' (Cycling News) despite the frame not being class-leading on weight.

The Colnago also has a 74.5-degree seat tube angle and sheds noticeable grams over the Look at most build levels, with reviewers calling it an 'excellent climber.' If you climb seated, the V4Rs has the edge; if you climb out of the saddle, the Look's stiffness is hard to beat.

06How serviceable are the integrated cockpits?

The V4Rs uses Colnago's CC.01 one-piece integrated cockpit. Changing bar width or stem length means buying a new unit, and bleeds require partial disassembly through the headset.

The Look 795 Blade RS runs a two-piece Combo Aero — separate bar and stem with internal routing through both. The two-piece design lets you swap stem length without re-routing hoses, which Cycling Weekly calls a meaningful practicality win and one of the bike's better design decisions.

07Are these compatible with mechanical drivetrains?

No. Both frames are designed for electronic groupsets only — fully internal routing through the cockpit and headset means there's no sensible way to run mechanical cables. If you want Shimano 105 mechanical or Campagnolo cable-shift, neither of these bikes is for you.

08Which has better resale value?

Both are limited-production European premium brands, so they hold value better than mass-market platforms. The Colnago brand cachet (and Pogačar association) tends to command stronger asking prices on the used market.

The Look is rarer in North America, which cuts both ways — fewer comparable listings on the used market makes pricing harder, but the scarcity supports prices for buyers who specifically want one.