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Pro bikes: Devolder's Domane Classics and Domane Koppenberg

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Trek's Stijn Devolder has two different Domane bikes for the cobbled classics: The Domane Koppenberg at right for Flanders and the Domane Classics at left for Paris-Roubaix

Trek's Stijn Devolder has two different Domane bikes for the cobbled classics: The Domane Koppenberg at right for Flanders and the Domane Classics at left for Paris-Roubaix
(Image credit: Jason Sumner)
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The long Domane Classics has plenty of clearance at the chainstay yoke

The long Domane Classics has plenty of clearance at the chainstay yoke
(Image credit: Jason Sumner)
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Devolder isn't doing anything fancy with gel padding or extra tape for his Paris-Roubaix cockpit

Devolder isn't doing anything fancy with gel padding or extra tape for his Paris-Roubaix cockpit
(Image credit: Jason Sumner)
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Trek mechanics had a bit of fun with Devolder's number sticker

Trek mechanics had a bit of fun with Devolder's number sticker
(Image credit: Jason Sumner)
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The IsoSpeed Decoupler is the key piece on the Domane, allowing the seat tube to pivot within the top tube/seatstay junction

The IsoSpeed Decoupler is the key piece on the Domane, allowing the seat tube to pivot within the top tube/seatstay junction
(Image credit: Jason Sumner)
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A view of the IsoSpeed Decoupler from the rear

A view of the IsoSpeed Decoupler from the rear
(Image credit: Jason Sumner)
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Although it shares the race geometry with the Emonda, the Domane Koppenberg still has plenty of clearance

Although it shares the race geometry with the Emonda, the Domane Koppenberg still has plenty of clearance
(Image credit: Jason Sumner)
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The Domane Classics has a slack head tube angle, and a fairly normal-looking fork

The Domane Classics has a slack head tube angle, and a fairly normal-looking fork
(Image credit: Jason Sumner)
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The Domane Koppenberg, on the other hand, has a steep head tube angle, and since it uses the Domane fork mold, it has drastically shaped aluminum fork tips that bring the droputs back towards the bottom bracket

The Domane Koppenberg, on the other hand, has a steep head tube angle, and since it uses the Domane fork mold, it has drastically shaped aluminum fork tips that bring the droputs back towards the bottom bracket
(Image credit: Jason Sumner)
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The end result of the Koppenberg fork is the same as an Emonda fork, just with a different look

The end result of the Koppenberg fork is the same as an Emonda fork, just with a different look
(Image credit: Jason Sumner)
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The Domane Classics (at rear) sits a full centimenter lower than the Domane Koppenberg. Devolder's position is identical on both bikes

The Domane Classics (at rear) sits a full centimenter lower than the Domane Koppenberg. Devolder's position is identical on both bikes
(Image credit: Jason Sumner)
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The Domane Classics has Trek's slightly older style internal routing

The Domane Classics has Trek's slightly older style internal routing
(Image credit: Jason Sumner)
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The Domane Koppenberg has Trek's newer style of internal routing

The Domane Koppenberg has Trek's newer style of internal routing
(Image credit: Jason Sumner)
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The 27 FMB still has some wiggle room in the rear Dura-Ace caliper

The 27 FMB still has some wiggle room in the rear Dura-Ace caliper
(Image credit: Jason Sumner)
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Most teams use some sort of top-tube cheatsheet for Paris-Roubaix pavé sectors

Most teams use some sort of top-tube cheatsheet for Paris-Roubaix pavé sectors
(Image credit: Jason Sumner)
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Trek started adding number-plate holders to its bikes when the Madone design did away with the seatstay bridge - the common place for number holders

Trek started adding number-plate holders to its bikes when the Madone design did away with the seatstay bridge - the common place for number holders
(Image credit: Jason Sumner)
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Devolder has the same fit coordinates on the two bikes, but the Domane Classics has slacker endurance geometry

Devolder has the same fit coordinates on the two bikes, but the Domane Classics has slacker endurance geometry
(Image credit: Jason Sumner)
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Trek has likely the skinniest tubulars for Paris-Roubaix at 27mm. Trek says this is because the Domane is such a compliant frameset

Trek has likely the skinniest tubulars for Paris-Roubaix at 27mm. Trek says this is because the Domane is such a compliant frameset
(Image credit: Jason Sumner)
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Trek Factory used 25mm FMB tubulars for the Tour of Flanders, where many teams were using 26, 27 and even 28mm tires

Trek Factory used 25mm FMB tubulars for the Tour of Flanders, where many teams were using 26, 27 and even 28mm tires
(Image credit: Jason Sumner)
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Trek uses a special edition of the Bontrager Aelous 5 rim, which is better suited for wider tubulars. Trek-sponsored cyclocross riders use this same rim

Trek uses a special edition of the Bontrager Aelous 5 rim, which is better suited for wider tubulars. Trek-sponsored cyclocross riders use this same rim
(Image credit: Jason Sumner)
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Devolder runs his levers high atop the Bontrager bars. His fit is identical across the two bikes, although the Classics saddle and handlbar are 1cm lower because the bottom bracket is 1cm lower

Devolder runs his levers high atop the Bontrager bars. His fit is identical across the two bikes, although the Classics saddle and handlbar are 1cm lower because the bottom bracket is 1cm lower
(Image credit: Jason Sumner)
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Trek has a simple system: White handlebar tape for the primary race bike; black handlebar tape for the back-up bike

Trek has a simple system: White handlebar tape for the primary race bike; black handlebar tape for the back-up bike
(Image credit: Jason Sumner)
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Although Shimano makes an internal Di2 battery, Trek prefers the larger original because it can be bolted solidly to the frame instead of suspeneded inside the seat tube

Although Shimano makes an internal Di2 battery, Trek prefers the larger original because it can be bolted solidly to the frame instead of suspeneded inside the seat tube
(Image credit: Jason Sumner)
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Devolder trains with an SRM and does most races with an SRM. At the classics, though, he focuses only on the racing. His Flanders gearing was 53/39

Devolder trains with an SRM and does most races with an SRM. At the classics, though, he focuses only on the racing. His Flanders gearing was 53/39
(Image credit: Jason Sumner)
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For Paris-Roubaix, Devolder has 53/44 rings

For Paris-Roubaix, Devolder has 53/44 rings
(Image credit: Jason Sumner)
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Trek's Duo-Trap captures wheel speed and cadence

Trek's Duo-Trap captures wheel speed and cadence
(Image credit: Jason Sumner)
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Although dubbed the Climbing Switch, many riders like using the remote Di2 shifter on the cobbles

Although dubbed the Climbing Switch, many riders like using the remote Di2 shifter on the cobbles
(Image credit: Jason Sumner)
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Devolder has an SRM head unit on his bike, but no SRM power meter for Paris-Roubaix

Devolder has an SRM head unit on his bike, but no SRM power meter for Paris-Roubaix
(Image credit: Jason Sumner)
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The Domane Koppenberg has the geometry identical to Trek's climbing bike, the Emonda. The Domane Classics is longer and lower

The Domane Koppenberg has the geometry identical to Trek's climbing bike, the Emonda. The Domane Classics is longer and lower
(Image credit: Ben Delaney/Immediate Media)

This article originally appeared on BikeRadar

The cobbled classics, the Tour of Flanders and Paris-Roubaix, present unique challenges to professional riders, and teams adopt a variety of gear solutions for the two races in early April. Trek's solution, though not inexpensive, is straight-forward: two completely different versions of the Domane endurance bike for each.

Although Flanders has many cobbled sections, it is regarded as less harsh than Paris-Roubaix, and this year we saw standard race bikes and even aero bikes there, often with slightly wider tubulars to take the edge off. Other riders opted for endurance bikes at Flanders, sometimes with steeply angled stems to achieve their preferred low positions. At Paris-Roubaix, however, teams pull out all the stops to soften the beating the rough stones dish out.

Stijn Devolder, like his Trek Factory Racing teammates, had a Trek Domane Koppenberg for Flanders, which featured straight-ahead race geometry as on the Trek Emonda climbing bike, but built into the bump-absorbing chassis of the Domane, with its IsoSpeed Decoupler that allows for significant seat tube flex. Unlike the standard Trek Domane, the wheelbase is tight, the head tube low and the angles steep.

"Compliance is still beneficial for Flanders, but the geometry for Flanders is very nimble," said Trek team liaison Jordan Roessingh. "The Tour of Flanders requires a lot more handling of the bike, with the narrow, twisty roads with tight corners."

For Paris-Roubaix, Devolder will ride his Trek Domane Classics, which has a low head tube like an Emonda, but with a longer wheelbase, a slacker head angle, and a lower bottom bracket. The configuration there is all about stability.

Devolder's fit coordinates are identical between the two machines.

Both Domane machines share this IsoSpeed Decoupler, but vary greatly in handling characteristics

"You see all these teams, even different riders within the same team, coming up with different strategies for tweaking their Paris-Roubaix bikes for Flanders," Roessingh said. "You see a climbing bike or an aero bike with bigger tires trying to make up for compliance. We tend to run smaller diameter tires than everyone else because the frame adds compliance."

Indeed Trek was one of the few teams at the Tour of Flanders with 25mm tubulars across the board, and the team will only use 27mm tubulars for Paris-Roubaix, where others are going with 28 and even 30mm options.

The Bontrager wheels on the Domane bikes are different than standard Aelous models. The Aelous 5 Classic has the same shape as the regular rim but it's designed to fit a wider tubular, which Roessingh says makes for a better connection with the tubular and also allows for more compression and suspension of the tire. It is laced the same as the standard Aeolus 5.

The easiest way to differentiate the Domane Classics from the Domane Koppenberg is the fork. The Domane Classics has a 53mm rake fork while the Domane Koppenberg has a 40mm rake — achieved by using the same mold but with aluminum caps that kick sharply back to lessen rake. The trail between the two is pretty similar, as the Classics has a slack head tube.

The Domane Classics also sits 1cm closer to the ground at the bottom bracket - and therefore Devolder's saddle and handlebars are also 1cm lower.

Complete bike specifications
Framesets: Trek Domane Classics, Trek Domane Koppenberg
Stem: Bontrager XXX, 12cm, 7 degree
Handlebar: Bontrager RL VR, 42cm
Front brake: Shimano Dura-Ace 9000
Rear brake: Shimano Dura-Ace 9000
Front derailleur: Shimano Dura-Ace Di2
Rear derailleur: Shimano Dura-Ace Di2
Shift levers: Shimano Dura-Ace Di2
Cassette: Shimano Dura-Ace, 11-25t on Classics, 11-28t on Koppenberg
Chain: Shimano Dura-Ace
Crankset: Shimano Dura-Ace 9000, 172.5mm, 53/44t on Classics, 53/39t on Koppenberg
Pedals: Shimano Dura-Ace
Front wheel: Bontrager Aelous Classics
Read wheel: Bontrager Aelous Classics
Front tubular: FMB Paris-Roubaix, 25mm on Classics, 27mm on Koppenberg
Rear tubular: FMB Paris-Roubaix, 25mm on Classics, 27mm on Koppenberg
Saddle: Bontrager Serano RL 148
Bottle cages: Bontrager (2)

Critical measurements
Rider's height: 182cm (6ft)
Rider's weight: 72kg (159lb)
Frame size: 58cm H1
Saddle height from BB, c-t: 79.1cm
Tip of saddle to center of bar: 56.2cm
Saddle-to-bar drop: 12cm
Saddle setback: 6.7cm