Updated July 20 with comment from Garmin
Team Sky leader Chris Froome has a number of race machines at his disposal at the Tour de France, including multiple iterations of the Pinarello Dogma F10 and the new Pinarello Dogma F10 X-Light. While the bikes' setups are identical in terms of fit and geometry, there are some subtle differences between them. We take a look here.
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Pinarello Dogma F10 vs Dogma F10 X-Light
In the final week of the Giro d'Italia, a few Team Sky riders race-tested the new Dogma F10 X-Light for the first time. As the name implies, the new frameset is basically the same but lighter.
Pinarello claims to have shaved 60g by using a lighter carbon (Torayca T1100G UD) that has minimal resin, plus a new mold process.
Pinarello claims that an unpainted X-Light weighs 760g in a size 53cm. For contrast, Specialized claims its new Tarmac is 733g — painted in size 56cm. And Trek's new Emonda weighs a claimed 640g — painted, size 56cm.
Both Dogma bikes share the same aero frame and seatpost, Italian threaded bottom bracket and standard brake calipers (instead of proprietary aero calipers that you see on some aero bikes).
Since Froome's bikes can't weight less than the UCI minimum of 6.8kg / 14.99lb, a few grams of frame weight isn't necessarily a big deal. It could arguably allow for the use of deeper (and heavier) aero wheels while staying right at that 6.8kg mark.
Garmin Edge 510 and 810 instead of 520 and 820
K-Edge vs blank Garmin mounts and number holders
The small American company K-Edge has provided chain catchers to pro teams for years. The company was co-founded by tools manufacturer Eric Jensen (AceCo Precision Tools) and Joe Savola, husband of and mechanic to Olympic gold medalist Kristin Armstrong. The chain catcher came about after Armstrong dropped her chain at the 2006 world time trial championships — which she still won.
These days, K-Edge provides chain catchers and Garmin holders to a few pro teams, including Team Sky.
While chain catchers might seem superfluous on race bikes with Shimano's Dura-Ace Di2, they certainly don't seem like overkill on Froome's bikes with his O.Symetric chainrings. Even proponents of oval chainrings will tell you that shifting between the rings isn't as smooth as it is with round rings. So, you can find K-Edge chain catchers on all Froome's bikes.
For Garmin mounts, Froome has both K-Edge products and unmarked carbon pieces. As with the carbon number holders that the team uses, team mechanic Thomas Kousgaard told BikeRadar that he wasn't sure where they came from, "some company in Slovenia, I believe." Both the carbon attachments and the K-Edge models bolt to the bottom of the PRO Stealth Evo integrated bar/stem that Froome favors.
Check out the gallery above for a closer look at Froome's Pinarello Dogma F10 and Dogma F10 X-Light bikes, and be sure to visit Cyclingnews for complete coverage of the 2017 Tour de France.
Complete bike specifications
- Frames: Pinarello Dogma F10 and Pinarello Dogma F10 X-Light
- Front brake: Shimano Dura-Ace 9100
- Rear brake: Shimano Dura-Ace 9100
- Brake/gear levers: Shimano Dura-Ace 9150
- Satellite shifter: deconstructed Shimano Dura-Ace Di2 climber switch
- Front derailleur: Shimano Dura-Ace 9150
- Rear derailleur: Shimano Dura-Ace 9150
- Cassette: Shimano Dura-Ace 9100, 11-28t
- Chain: Shimano Dura-Ace
- Crankset: Shimano Dura-Ace 9100 with 52/38t Ossymetric rings, 175mm
- Power meter: Stages Dura-Ace 9100
- Wheels: Shimano Dura-Ace 9100, variety of depths
- Tubulars: Continental Competition ALX, 25mm
- Integrated bar/stem: PRO Stealth EVO
- Pedals: Shimano Dura-Ace 9100
- Saddle: Fizik Antares
- Seatpost: Pinarello Dogma F10
- Bottle cages: Elite Custom Race Plus
- Computers: Garmin Edge 510, Garmin Edge 810
- Computer mounts: K-Edge, plus a blank carbon piece
- Rider height: 1.86m
- Rider weight: 69kg
- Saddle height, from BB (c-t): 790mm
- Tip of saddle nose to bars: 580mm