The revelation of last season, the Boone, incorporates Trek’s IsoSpeed Decoupler, the pivot point at the junction of the seat tube, top tube and seatstays that allows the seat tube to flex more freely. Besides more comfort, what this means is the ability to stay seated and pedal efficiently more often on a rough course.
The Boone 5 Disc brings this bump-absorbing design to a more attainable price, with hydraulic Shimano 105 and in-house Bontrager components and tubeless-ready wheels equipping the full carbon frameset.
It’s difficult to overstate how drastically the IsoSpeed Decoupler flattens choppy sections of a course. While your tyres are still doing the lion’s share of the work keeping traction, the frame’s ability to suspend your body keeps the engine better engaged.
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While the Decoupler makes for a great visual talking point, the fork is perhaps the more impressive engineering feat, as the long forward sweep takes the edge off but the tucked-back dropout placement keeps the geometry in check.
As a roadie who can race like a bit of a squirrel (hello, course tape!), I found the Boone 5 Disc to be an effective sedative that often made me faster because I could focus more on steady pedalling and less on reacting to being rattled around.
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